Thue Tncn Vietnam
dotanminh/thue-tncn-vietnam
A skill your agent uses when user asks about Vietnamese personal income tax (TNCN), tax finalization (quyet toan), dependent deductions (giam tru gia canh), freelancer/KOL/online seller tax, eTax…
Compares building types, from detached houses to supertall towers, using plan depth, density and efficiency metrics plus exemplar buildings.
Install Building Typology Reference
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install Abhinavbwj/Skills-Architects building-typology --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/building-typology .claude/skills/building-typology && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .claude/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typologyType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install Abhinavbwj/Skills-Architects building-typology --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/building-typology .agents/skills/building-typology && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .agents/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install Abhinavbwj/Skills-Architects building-typology --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/building-typology .cursor/skills/building-typology && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .cursor/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/Abhinavbwj/Skills-Architects.git --path skills/building-typology--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install Abhinavbwj/Skills-Architects building-typology --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/building-typology .gemini/skills/building-typology && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .gemini/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install Abhinavbwj/Skills-Architects building-typologyInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/building-typology .github/skills/building-typology && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .github/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install Abhinavbwj/Skills-Architects building-typology --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/Abhinavbwj/Skills-Architects.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/building-typology .opencode/skills/building-typology && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "building-typology" agent skill from https://github.com/Abhinavbwj/Skills-Architects/tree/main/skills/building-typology into .opencode/skills/building-typology/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "building-typology", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
building-typology- GitHub stars
- 296
- Used in
- 1 other repo
- Token cost
- ~8.5k tokens
- SKILL.md length
- 4,178 words
- Files
- 2 (incl. references)
- Skills in repo
- 17
- Repo updated
- First seen
- Licence
- MIT
At a glance
Compares building types, from detached houses to supertall towers, using plan depth, density and efficiency metrics plus exemplar buildings.
- Works in 7 steps: Residential Typologies → Office Typologies → Healthcare Typologies → …
- Comparing building types for a site, from terraces to mixed-use podium-tower schemes
- SKILL.md covers 1. Residential Typologies, 2. Office Typologies, 3. Healthcare Typologies and 4. Education Typologies, plus 2 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Acting as a building typology specialist, the agent works from reference tables organized by use category. The residential section gives each type, such as detached house, semi-detached house and terrace or rowhouse, a metrics table: plan depth, storeys, plot width, typical GIA, density, net-to-gross ratio, structural system, parking, daylight and private amenity.
Each type also lists exemplar buildings with architect, year and place, for example the Farnsworth House and the Moriyama House. According to the description the skill spans residential, commercial, institutional, hospitality, industrial, cultural and mixed-use buildings, and helps compare typological options, select a form for a site, judge plan depth and daylight, and see how a typology affects density, efficiency and user experience. A `references/residential-typologies.md` file supplements the main text.
When your agent uses it
- Comparing building types for a site, from terraces to mixed-use podium-tower schemes
- Checking typical plan depth, floor-to-floor height or net-to-gross ratio for a type
- Finding precedent buildings for a typology
- Assessing how plan depth affects daylight and density
Example prompts
- “Compare terrace housing and detached houses on plot width, density and parking.”
- “What net-to-gross ratio and structural grid are typical for a hospital?”
- “Suggest exemplar museums that show different plan arrangements.”
Workflow steps
7 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 30a0845. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Building Typology Reference loads about 8.5k tokens when it runs, and up to ~16k if it reads all its reference files. Until then it costs about 180 tokens; SKILL.md has 4,178 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from Abhinavbwj/Skills-Architects at commit 30a0845, republished under its MIT licence (© Abhinavbwj). 4,178 words, ~8,522 tokens.
Download SKILL.mdSave it as
.claude/skills/building-typology/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.- name
- building-typology
- description
- Identify and apply building typologies for residential, commercial, institutional, hospitality, industrial, cultural, and mixed-use buildings. Use when the user asks about building types, plan configurations, floor plate design, core arrangements, net-to-gross ratios, structural grids, floor-to-floor heights, unit mix, parking strategies, or exemplar buildings. Also use when comparing typological options, selecting an appropriate building form for a site, evaluating plan depth and daylight, or analyzing how a typology affects density, efficiency, and user experience. Covers detached houses through supertall towers, hospitals through hotels, museums through mixed-use podium-tower developments.
Building Typology Skill
You are an expert in building typology with encyclopedic knowledge of plan types, structural systems, dimensional standards, and exemplar buildings across every major use category. You understand how typological choices drive density, efficiency, daylight, construction cost, user experience, and urban form. Every recommendation is grounded in measurable metrics and real-world precedent.
1. Residential Typologies
1.1 Detached House
| Metric | Value |
|---|---|
| Plan Depth | 8 - 12m (deeper with central corridors or lightwells) |
| Storeys | 1 - 3 typical |
| Plot Width | 8 - 20m |
| Typical GIA | 80 - 300 m2 |
| Density | 10 - 30 DU/ha |
| NTG Ratio | 0.85 - 0.92 (minimal common area) |
| Structural System | Load-bearing masonry, timber frame, light steel frame |
| Parking | On-plot garage or driveway, 1-3 spaces |
| Daylight | All rooms can have windows on 2+ sides; excellent daylight |
| Private Amenity | Front and rear gardens, 50-200+ m2 |
Exemplars:
- Farnsworth House (Mies van der Rohe, 1951, Plano IL) -- universal open plan, glass pavilion, 140 m2
- Maison Bordeaux (OMA/Rem Koolhaas, 1998) -- split-level, hydraulic platform, 500 m2
- Moriyama House (SANAA/Ryue Nishizawa, 2005, Tokyo) -- cluster of discrete volumes, 263 m2 total
1.2 Semi-Detached House
| Metric | Value |
|---|---|
| Plan Depth | 8 - 10m |
| Storeys | 2 - 3 |
| Plot Width | 5 - 8m per unit (pair = 10-16m) |
| Typical GIA per Unit | 70 - 150 m2 |
| Density | 25 - 50 DU/ha |
| Party Wall | Min 100mm cavity masonry, STC 45+ |
| Parking | On-plot driveway, 1-2 spaces per unit |
| Daylight | Three aspects (front, rear, side); party wall is blank |
Exemplars:
- Donnybrook Quarter (Peter Barber Architects, 2006, London) -- contemporary semi-detached with courtyard variants, 65 DU/ha
- Accordia (Feilden Clegg Bradley / Maccreanor Lavington / Alison Brooks, 2008, Cambridge) -- mixed semi-detached and terrace, 47 DU/ha
1.3 Terrace / Rowhouse
| Metric | Value |
|---|---|
| Plan Depth | 8 - 12m |
| Plan Width | 4.5 - 7m per unit |
| Storeys | 2 - 4 |
| Typical GIA per Unit | 65 - 140 m2 |
| Density | 40 - 80 DU/ha |
| NTG Ratio | 0.85 - 0.90 |
| Structural System | Load-bearing party walls (masonry/concrete block), timber floors |
| Parking | On-street, rear mews court, or integral garage (reduces habitable area) |
| Daylight | Two aspects only (front and rear); max depth 12m for adequate rear room daylight |
| Private Amenity | Rear garden 20-60 m2, front yard 3-10 m2 |
Key Dimensions:
- Min width for 2-bed: 4.5m (internal); 5.0-5.5m preferred
- Min width for 3-bed: 5.5m; 6.0-7.0m preferred
- Stair width: 850mm min clear, 900mm preferred
- Hallway: 900mm min clear
Exemplars:
- Georgian Terrace (Bath, London, Edinburgh, 1714-1830) -- 5-7m wide, 12-15m deep, 3-4 storeys, the prototype
- Borneo Sporenburg (various architects, 2000, Amsterdam) -- 5.1m wide, 3 storeys, courtyard within plan depth, 100 DU/ha
- Goldsmith Street (Mikhail Riches, 2019, Norwich) -- Stirling Prize, Passivhaus terrace, 5.2m wide, south-facing orientation
1.4 Walk-Up Apartment (3-5 Storeys)
| Metric | Value |
|---|---|
| Plan Depth | 10 - 14m (single-loaded corridor: 6-8m) |
| Core Type | Single staircase serving 4-8 units per floor (no lift required below 5 storeys in many codes) |
| Units per Core | 2 - 4 per landing (stair access type); 6-12 per floor (corridor type) |
| Typical Unit Size | 45 - 90 m2 NIA |
| Density | 60 - 150 DU/ha |
| NTG Ratio | 0.78 - 0.84 |
| Structural System | Load-bearing masonry, cross-laminated timber (CLT), reinforced concrete frame |
| Parking | Surface, undercroft, or basement; 0.5-1.0 spaces/unit |
| Daylight | Dual-aspect achievable with stair-access type; single-aspect common in corridor type |
Core Configurations:
- Stair Access (no corridor): Single stair with 2-4 units per landing. Most efficient, best dual-aspect potential. Common in continental Europe (Berlin, Paris, Vienna).
- Single-Loaded Corridor: Corridor on one side, units on the other. All units face same direction. Good daylight but less efficient (NTG 0.72-0.78).
- Double-Loaded Corridor: Corridor in centre, units both sides. Most area-efficient but single-aspect units on both sides. Plan depth 12-15m.
Exemplars:
- Silodam (MVRDV, 2003, Amsterdam) -- mixed walk-up and maisonette, 157 units, harbour location
- Ely Court (Alison Brooks Architects, 2015, London) -- brick walk-up, stair-access cores, dual-aspect
- 85 Falkner Street (shedkm, 2018, Liverpool) -- CLT walk-up apartments, Passivhaus
1.5 Mid-Rise Apartment (6-12 Storeys)
| Metric | Value |
|---|---|
| Plan Depth | 12 - 18m (double-loaded corridor) |
| Floor Plate | 600 - 1500 m2 GIA |
| Core Type | 1-2 lifts + 1 firefighting stair + 1 escape stair (code-dependent) |
| Units per Core per Floor | 4 - 10 |
| Typical Unit Mix | 30-40% 1-bed, 35-45% 2-bed, 15-25% 3-bed |
| Density | 100 - 250 DU/ha |
| NTG Ratio | 0.75 - 0.82 |
| Structural System | RC frame, flat slab (most common), RC shear walls + flat slab, CLT (up to ~10 storeys) |
| Structural Grid | 6.0m x 7.5m typical (residential) |
| Floor-to-Floor | 2.85 - 3.15m |
| Parking | Basement or podium; 0.3-1.0 spaces/unit |
| Daylight | Mix of dual-aspect (corners, ends) and single-aspect (mid-block); plan depth critical |
Key Design Principles:
- Corridor length should not exceed 30m from core (fire egress)
- Minimum 2 units as dual-aspect per floor (corners)
- North-facing single-aspect units should be avoided (poor daylight and solar gain)
- Refuse chute within 30m of every unit entrance
- Accessible units (Part M Category 2 min, 10% Category 3) spread across floors
Exemplars:
- Via Verde (Grimshaw + Dattner, 2012, Bronx NY) -- 222 units, stepped profile, rooftop agriculture, mixed affordable
- One Folgate Street (Alison Brooks Architects, 2018, London) -- 8 storeys, brick, dual-aspect, mixed tenure
- The Interlace (OMA/Ole Scheeren, 2013, Singapore) -- 31 blocks of 6 storeys, stacked at angles, 1,040 units, 170,000 m2
1.6 High-Rise Residential Tower (13+ Storeys)
| Metric | Value |
|---|---|
| Plan Depth | Point tower: 18-24m diameter; Slab tower: 12-16m depth |
| Floor Plate | 400 - 900 m2 GIA (point tower); 800 - 2000 m2 (slab) |
| Core Size | 80 - 150 m2 (lifts + stairs + lobbies + risers) |
| Core-to-GIA Ratio | 20 - 28% (point tower); 15 - 22% (slab tower) |
| Lifts | 2 per 80-120 units (min), +1 firefighting lift |
| Units per Core per Floor | 4 - 8 (point tower); 8 - 16 (slab tower) |
| Density | 200 - 600+ DU/ha |
| NTG Ratio | 0.68 - 0.78 (point tower); 0.72 - 0.82 (slab tower) |
| Structural System | RC core + flat slab, RC core + post-tensioned slab, RC core + steel perimeter |
| Floor-to-Floor | 3.0 - 3.3m (standard); 3.5 - 4.0m (luxury) |
| Wind | Wind analysis required above 10 storeys; corner balconies problematic above 15 storeys |
| Parking | Basement podium (2-5 levels); 0.2-1.0 spaces/unit |
Core Design for Towers:
- Scissor Stair: Two interleaving stairs in a single shaft -- compact, satisfies two-stair egress. Common in UK, used up to ~30 storeys.
- Twin Stair: Two separate stairs on opposite sides of core. Required by IBC and many international codes for tall buildings.
- Single Stair (with conditions): Allowed in some UK codes below certain height/occupancy thresholds. Each unit opens directly to stair lobby.
- Skip-Stop: Corridor every 3rd floor, maisonette units between. Reduces corridor area, increases NTG. (Unité d'Habitation model.)
Exemplars:
- Unité d'Habitation (Le Corbusier, 1952, Marseille) -- 18 storeys, skip-stop corridor, 337 units, internal street concept
- Barbican Estate (Chamberlin Powell & Bon, 1969-76, London) -- three 42-storey towers, 2,014 units, brutalist
- 432 Park Avenue (Rafael Vinoly, 2015, New York) -- 85 storeys, 28.5m x 28.5m plan, 104 units, one of tallest residential
- One Thousand Museum (Zaha Hadid Architects, 2019, Miami) -- 62 storeys, exoskeleton structure, 83 units
- Bosco Verticale (Stefano Boeri, 2014, Milan) -- 2 towers (111m, 76m), 900 trees, 20,000 plants, 113 units
1.7 Maisonette
| Metric | Value |
|---|---|
| Plan Depth | 8 - 14m |
| Storeys per Unit | 2 (duplex within apartment building) |
| Typical GIA | 65 - 120 m2 |
| Access | Corridor every other floor (skip-stop) or private external stair |
| Advantage | Dual-aspect living, internal stair gives house-like quality, reduced corridor area |
| Disadvantage | Internal stair consumes 3-4 m2 NIA per unit, accessibility challenge (entry level only) |
Exemplars:
- Alexandra Road Estate (Neave Brown / Camden Architects, 1978, London) -- stepped maisonettes, 520 dwellings
- Brunswick Centre (Patrick Hodgkinson, 1972, London) -- stepped maisonettes facing central street
1.8 Courtyard Housing
| Metric | Value |
|---|---|
| Plan Depth | 6 - 10m wings around 6-15m courtyard |
| Storeys | 1 - 3 |
| Typical GIA | 60 - 200 m2 |
| Density | 40 - 100 DU/ha |
| Courtyard Size | Min 4m x 4m for light; 6m x 6m for usable outdoor space |
| Advantage | Privacy, microclimate, daylight to deep plans, cultural tradition |
| Structural System | Load-bearing walls (masonry, rammed earth, concrete) |
Exemplars:
- Salk Institute (Louis Kahn, 1965, La Jolla CA) -- courtyard as monumental space between lab wings
- Courtyard Houses Matosinhos (Souto de Moura, 1993-99, Portugal) -- minimalist courtyard villa
- Bait Ur Rouf Mosque (Marina Tabassum, 2012, Dhaka) -- courtyard as environmental mediator
1.9 Co-Housing
| Metric | Value |
|---|---|
| Community Size | 15 - 40 households (optimal for social cohesion) |
| Private Unit | 40 - 100 m2 NIA (smaller than conventional, offset by shared spaces) |
| Shared Spaces | Common house: 150-300 m2 (kitchen, dining, lounge, laundry, guest rooms, workshop) |
| Shared-to-Private Ratio | 10 - 20% of total NIA is shared |
| Layout | Cluster around shared courtyard or garden; parking at periphery |
| Density | 30 - 80 DU/ha |
Exemplars:
- Trudeslund (1981, Birkerod, Denmark) -- one of the earliest, 33 households, one-storey
- Marmalade Lane (Mole Architects, 2019, Cambridge) -- 42 homes, common house, car-free street
- Lilac (2013, Leeds) -- mutual home ownership, straw bale construction, 20 households
1.10 Micro / Co-Living
| Metric | Value |
|---|---|
| Private Unit | 10 - 25 m2 NIA (bedroom + en-suite or pod bathroom) |
| Shared Spaces | Kitchen, living, laundry, co-working, gym: 5-10 m2/unit |
| Building Type | Typically mid-rise apartment, repurposed hotel, or purpose-built |
| Density | 200 - 500+ DU/ha |
| NTG Ratio | 0.65 - 0.75 (extensive shared space) |
| Target User | Young professionals, students, digital nomads, short-term workers |
Exemplars:
- The Collective Old Oak (PLP Architecture, 2016, London) -- 546 units, largest co-living building in the world at completion
- Carmel Place (nARCHITECTS, 2016, New York) -- 55 micro-units, 23-33 m2, modular prefab construction
- StarCity (various locations, 2020+) -- co-living operator, units from 14 m2 with extensive shared amenity
2. Office Typologies
2.1 Speculative Shell & Core
| Metric | Value |
|---|---|
| Floor Plate Area | 1,000 - 2,500 m2 NIA typical; prime City of London: 1,500-2,000 m2 |
| Plan Depth (core to glass) | 12 - 15m (BCO recommendation: max 15m for naturally ventilated zones) |
| Floor-to-Floor | 3.6 - 4.2m (BCO standard: 3.9m typical) |
| Ceiling Height | 2.6 - 2.85m finished ceiling (BCO: min 2.6m, preferred 2.7-2.8m) |
| Raised Floor Depth | 100 - 150mm (BCO: min 150mm for full flexibility) |
| Ceiling Void | 400 - 600mm (services distribution, acoustic ceiling) |
| Structural Depth | 300 - 500mm (PT slab: 300mm; composite: 400-500mm) |
| Structural Grid | 7.5m, 9.0m, 10.8m, or 12.0m (must coordinate with parking below: 7.2m or 7.5m) |
| NTG Ratio | 0.80 - 0.85 (BCO target: 82.5%) |
| Core-to-GIA | 15 - 22% |
| Loading | 2.5 kN/m2 + 1.0 kN/m2 partitions (minimum) |
Exemplars:
- Willis Building (Foster + Partners, 2007, London) -- crescent plan, 46,450 m2, column-free 18m spans
- The Leadenhall Building (Rogers Stirk Harbour, 2014, London) -- 51 storeys, external bracing, tapered form, 84,424 m2
- 22 Bishopsgate (PLP Architecture, 2020, London) -- 62 storeys, 128,000 m2, largest office floor plates in City of London
2.2 Owner-Occupied / Corporate HQ
| Metric | Value |
|---|---|
| Floor Plate | 2,000 - 10,000+ m2 (single-user, often deeper plans) |
| Plan Depth | 15 - 25m (internal atria for daylight to deep plans) |
| Floor-to-Floor | 3.9 - 4.5m (more generous for owner-specified services) |
| NTG Ratio | 0.72 - 0.80 (more generous common areas, atria, amenity) |
| Typical Features | Atrium, branded reception, staff restaurant, fitness centre, town hall spaces |
Exemplars:
- Inland Steel Building (SOM/Bruce Graham, 1958, Chicago) -- first modern curtain wall office tower, all services in separate tower, 18.3m clear spans, 19 storeys
- Apple Park (Foster + Partners, 2017, Cupertino) -- 260,000 m2 ring plan, 1.6km circumference, 12,000 employees
- Bloomberg European HQ (Foster + Partners, 2017, London) -- 102,000 m2, BREEAM Outstanding (98.5%), spiralling ramp circulation
2.3 Co-Working / Flex Space
| Metric | Value |
|---|---|
| Floor Plate | 1,000 - 5,000 m2 per location |
| Desk Density | 6 - 8 m2/person (denser than conventional) |
| Sharing Ratio | 0.6 - 0.8 desks per member |
| Meeting Room Ratio | 1 room per 15-20 members |
| Amenity | 20 - 30% of NIA (kitchen, lounge, event space, phone booths) |
| NTG Ratio | 0.72 - 0.78 (extensive amenity and circulation) |
| Floor-to-Floor | Prefers high ceilings (exposed services aesthetic) > 3.5m |
Exemplars:
- WeWork (various locations) -- standardised fit-out, 60-80% open desk, glass-fronted offices
- Second Home (Selgascano, 2014, London) -- elliptical glass offices within open-plan, 2,500 m2
- Factory Berlin (Julian Breinersdorfer, 2014) -- adaptive reuse, 14,000 m2, start-up campus
2.4 Office Campus
| Metric | Value |
|---|---|
| Site Area | 5 - 50+ ha |
| Building Coverage | 20 - 40% (generous landscape) |
| Floor Plate | 2,000 - 5,000 m2 per building |
| Storeys | 2 - 6 typical (low-rise campus character) |
| Density | 0.3 - 0.8 FAR |
| Parking | Surface or structured; 1 space per 30-50 m2 NIA |
| Amenity | Central hub (dining, fitness, retail), outdoor sport/recreation |
Exemplars:
- Googleplex (various architects, Mountain View) -- campus of low-rise buildings, 100,000+ employees across Silicon Valley
- Novo Nordisk HQ (Henning Larsen, 2014, Copenhagen) -- 3 concentric rings, 73,000 m2, LEED Platinum
- Samsung Semiconductor (NBBJ, 2015, San Jose) -- 102,000 m2, 10-storey intersecting volumes
3. Healthcare Typologies
3.1 Hospital Plan Types
Podium + Tower:
| Metric | Value |
|---|---|
| Podium | 2-4 storeys, large floor plates (5,000-15,000 m2) for clinical departments |
| Tower | 6-15 storeys above podium for inpatient wards (1,000-2,000 m2 floor plates) |
| Advantage | Clinical departments get large column-free floor plates; wards get daylight and views |
| Disadvantage | Long vertical travel distances; complex structural transfer at podium-tower interface |
| Exemplar | Royal London Hospital (HOK/Skanska, 2012) -- 17 storeys, 115,000 m2, largest new-build hospital in UK |
Courtyard / Chequerboard:
| Metric | Value |
|---|---|
| Floor Plate | 3,000 - 8,000 m2 with internal courtyards for daylight |
| Storeys | 3 - 6 |
| Advantage | All departments at low level, short horizontal travel, natural light to deep plans |
| Disadvantage | Large footprint requires large site; limited vertical expansion |
| Exemplar | Khoo Teck Puat Hospital (CPG Consultants, 2010, Singapore) -- courtyard plan, biophilic design, 590 beds |
Finger Plan (Pavilion):
| Metric | Value |
|---|---|
| Plan | Linear wings (fingers) connected by a central spine corridor |
| Wing Depth | 12 - 18m per wing |
| Spacing | 18 - 25m between wings (daylight and ventilation) |
| Advantage | Excellent daylight and ventilation, phased expansion by adding fingers |
| Disadvantage | Long horizontal travel distances, large site |
| Exemplar | Nightingale model hospitals (19th century); modern: Alder Hey Children's Hospital (BDP, 2015, Liverpool) |
Nucleus / Compact:
| Metric | Value |
|---|---|
| Plan | Compact cruciform or radial plan around central core |
| Floor Plate | 2,000 - 4,000 m2 |
| Advantage | Short travel distances, efficient servicing |
| Disadvantage | Limited daylight to central zones, complex wayfinding |
| Exemplar | NHS Nucleus template hospitals (1970s-80s UK) |
3.2 Key Healthcare Metrics
| Metric | Standard |
|---|---|
| Corridor Width (bed movement) | 2.4m min clear; 2.7m recommended |
| Corridor Width (staff/patient ambulatory) | 1.8m min; 2.1m recommended |
| Patient Room Door Width | 1.2m min clear (bed passage) |
| Nurse Station Visibility | Direct sightline to all beds in unit (max 28-32 bed unit) |
| Clean-to-Dirty Flow | Unidirectional; sterile > clean > dirty, no backtracking |
| Departmental Stacking | ED and Imaging at ground; Surgery above ED; Wards above Surgery |
| Floor-to-Floor | 4.2 - 5.0m (hospital typical, interstitial space for services in some designs) |
| NTG Ratio | 0.55 - 0.65 (most inefficient building type due to wide corridors, complex services) |
3.3 Clinic / Surgery Centre
| Metric | Value |
|---|---|
| Floor Plate | 500 - 3,000 m2 |
| Storeys | 1 - 3 |
| Core Spaces | Waiting, reception, consulting rooms, treatment rooms, staff areas |
| Consult Room | 14 - 16 m2 (GP: 12 m2 min) |
| Waiting Area | 1.5 - 2.0 m2 per concurrent patient |
| NTG Ratio | 0.70 - 0.78 |
| Parking | 3 - 5 spaces per consulting room |
Exemplar: Maggie's Centres (various architects: Gehry, Hadid, Heatherwick, Chipperfield) -- 200-400 m2, domestic scale, open-plan kitchen as heart, no waiting room, garden
4. Education Typologies
4.1 Primary School
| Metric | Value |
|---|---|
| Site Area | 1.0 - 2.0 ha (1 FE = 210 pupils) |
| GIA | 1,100 - 2,200 m2 (1FE - 3FE) per BB103 |
| Storeys | 1 - 2 (single-storey preferred for youngest children) |
| Classroom | 55 - 63 m2, min 2.0 m2/pupil |
| Corridor Width | 1.8m min; 2.4m recommended (doubled as social/display space) |
| Assembly/Dining Hall | 120 - 170 m2 (dual-use for PE in smaller schools) |
| NTG Ratio | 0.72 - 0.78 |
| Daylight | Every teaching space must have windows; min average daylight factor 2% |
Plan Types:
- Finger plan: Classrooms in parallel wings with outdoor spaces between. Good daylight, natural ventilation. Requires large site.
- Cluster: Groups of classrooms around a shared learning space. Supports collaborative teaching. Common in modern UK schools.
- Street: Central corridor (wide, daylit) with classrooms on both sides. Compact, efficient.
- Courtyard: Classrooms wrap around secure outdoor space. Good for urban sites. Passive surveillance.
Exemplars:
- Burntwood School (Allford Hall Monaghan Morris, 2015, London) -- RIBA Stirling Prize, prefabricated CLT classrooms
- Fuji Kindergarten (Tezuka Architects, 2007, Tokyo) -- oval roof as playground, open-air classrooms, 600 children
- Westborough Primary School (Cottrell & Vermeulen, 2001, Southend) -- straw bale construction, environmental showcase
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4.2 Secondary School
| Metric | Value |
|---|---|
| Site Area | 3.0 - 7.0 ha (6FE - 12FE = 900-1800 pupils) |
| GIA | 6,000 - 12,000 m2 per BB103 |
| Storeys | 2 - 4 |
| Classroom | 55 - 65 m2 (30 pupils) |
| Specialist Rooms | 80 - 110 m2 (science labs, workshops, studios) |
| Sports Hall | 594 m2 (4-court); 891 m2 (6-court) |
| Corridor Width | 2.4 - 3.0m (high traffic, lockers, display) |
| NTG Ratio | 0.68 - 0.75 |
| Floor-to-Floor | 3.3 - 3.9m (higher for sports hall and specialist spaces) |
Exemplars:
- School of Engineering and Science, Aalborg University (C.F. Moller, 2010) -- open labs, flexible teaching
- Orestad Gymnasium (3XN, 2007, Copenhagen) -- open-plan school, flexible learning, 4 storeys around central stair
- Whitby Academy (GSSArchitecture, 2013) -- compact 3-storey, central atrium, 900 pupils
4.3 University
| Metric | Value |
|---|---|
| Campus Coverage | 20 - 40% of site |
| Building Types | Teaching, laboratory, library, student union, residential, sports, administration |
| Lecture Theatre | 1.2 - 1.5 m2/seat (tiered); 200-400 seats typical |
| Teaching Lab | 2.5 - 3.5 m2/student (wet science); fume hoods, services |
| Library | 4 - 5 m2/reader; stack area 5-7 m2 per 1000 volumes |
| Floor-to-Floor | 3.6 - 4.5m (lab buildings); 3.3 - 3.9m (teaching/admin) |
| NTG Ratio | 0.60 - 0.72 (lab-heavy buildings lower) |
Exemplars:
- Rolex Learning Centre (SANAA, 2010, Lausanne) -- single undulating floor plate, 20,000 m2, no internal walls
- Li Ka Shing Knowledge Institute (Diamond Schmitt, 2011, Toronto) -- medical school, simulation labs, 16 storeys
- Saw Swee Hock Student Centre (O'Donnell + Tuomey, 2014, LSE, London) -- RIBA award, angular form, 6,300 m2
5. Cultural Typologies
5.1 Museum
Plan Types:
Linear Sequence (Enfilade): Rooms connected in sequence; visitor follows a prescribed route. Total control of narrative. Examples: Vatican Museums, Uffizi.
Free-Flow (Open Plan): Large open galleries with moveable partitions; visitor chooses own path. Flexible for changing exhibitions. Example: Centre Pompidou (Piano + Rogers, 1977, Paris), Tate Modern Turbine Hall.
Mixed (Sequential + Free-Flow): Permanent collection in sequence, temporary exhibitions in free-flow spaces. Most common contemporary approach.
| Metric | Value |
|---|---|
| Gallery Ceiling Height | 4.5 - 6.0m (paintings); 6.0 - 10.0m (large sculpture/installation) |
| Gallery Width | 6 - 12m (paintings on walls); 15 - 30m (sculpture, installation) |
| Gallery Proportions | 1:1.5 to 1:2 (width:length) for paintings galleries |
| Hanging Height | Eye line at 1.5m; centre of work at 1.45-1.55m |
| Lighting (paintings) | 200 lux max; UV filtered; no direct sunlight |
| Lighting (works on paper) | 50 lux max; no natural light |
| Climate Control | 20 +/- 2 deg C, 50 +/- 5% RH, 24/7/365 |
| BOH Ratio | 40 - 60% of public area (conservation, storage, loading, offices) |
| NTG Ratio | 0.55 - 0.65 |
| Floor Loading | 5.0 kN/m2 min for sculpture galleries |
Exemplars:
- Guggenheim Bilbao (Frank Gehry, 1997) -- 24,000 m2, titanium-clad, free-flow + sequential galleries, the "Bilbao Effect"
- MAXXI (Zaha Hadid, 2010, Rome) -- flowing concrete galleries, 21,000 m2, no right angles
- Louvre Abu Dhabi (Jean Nouvel, 2017) -- 9,200 m2 galleries under 180m diameter dome, "rain of light"
- Tate Modern (Herzog & de Meuron, 2000 + 2016, London) -- Bankside Power Station conversion, 35,000 m2
5.2 Theatre and Auditorium
Configurations:
| Type | Description | Capacity Range | Actor-Audience Distance |
|---|---|---|---|
| Proscenium | Stage behind frame, audience in front | 300 - 2,500 | 15 - 30m |
| Thrust | Stage projects into audience on 3 sides | 200 - 1,200 | 8 - 18m |
| Arena (Theatre-in-the-Round) | Audience surrounds stage | 100 - 600 | 5 - 12m |
| Black Box | Flexible, reconfigurable space | 50 - 400 | Variable |
| Courtyard | Galleried, audience on multiple levels wrapping stage | 200 - 1,000 | 8 - 20m |
| Metric | Standard |
|---|---|
| Seat Width | 500 - 530mm (min), 550mm (premium) |
| Row Spacing | 760 - 850mm back-to-back (min 760mm for sightlines) |
| Aisle Width | 1.1m min (IBC), wider for higher capacity |
| Sightline (C-value) | 65 - 125mm (cinema); 100 - 130mm (theatre); every seat sees over head in front |
| Acoustic Volume | 6 - 10 m3/seat (symphony); 4 - 7 m3/seat (drama); 3 - 5 m3/seat (cinema) |
| Reverberation Time (RT60) | 1.7 - 2.2s (symphony); 1.0 - 1.4s (drama); 0.6 - 0.8s (speech/cinema) |
| Stage Depth | 10 - 14m (proscenium) |
| Fly Tower Height | 2.5x proscenium opening height (typically 22-30m above stage) |
| BOH-to-FOH Ratio | 0.7 - 1.0 (smaller venues); 1.0 - 1.5 (major opera houses) |
| NTG Ratio | 0.45 - 0.55 (performing arts are the least efficient building type) |
Exemplars:
- Sydney Opera House (Jorn Utzon, 1973) -- multiple venues, 5,738 seats total, expressionist shells
- Elbphilharmonie (Herzog & de Meuron, 2017, Hamburg) -- 2,100-seat vineyard hall on converted warehouse, 110m tall
- National Theatre (Denys Lasdun, 1976, London) -- three auditoria (Olivier, Lyttelton, Dorfman), brutalist terraces
- Harbin Opera House (MAD Architects, 2015) -- 1,600 seats, organic form, Manchurian landscape
5.3 Library
| Metric | Value |
|---|---|
| Stack Area | 5 - 7 m2 per 1,000 volumes (open); mobile shelving halves this |
| Reading Space | 4 - 5 m2 per reader |
| Digital/Computer | 3 - 4 m2 per workstation |
| Children's Area | 30 - 80 m2 (dedicated, ground floor preferred) |
| Floor Loading | 6.5 kN/m2 min for stacks; 2.5 kN/m2 for reading areas |
| Ceiling Height | 3.0 - 4.0m (reading rooms); 2.7m min (stacks) |
| NTG Ratio | 0.65 - 0.75 |
| Daylight | Reading areas: natural light preferred, avoid direct sun on collections |
Exemplars:
- Seattle Central Library (OMA/Rem Koolhaas, 2004) -- 34,000 m2, "Book Spiral" continuous stack ramp, faceted glass skin
- Library of Birmingham (Mecanoo, 2013) -- 31,000 m2, interlocking gold circles facade, 10 storeys
- Tianjin Binhai Library (MVRDV, 2017) -- the "Eye," 33,700 m2, undulating bookshelves, central sphere auditorium
6. Hospitality Typologies
6.1 Hotel Plan Types
Corridor-Loaded (Double-Loaded):
| Metric | Value |
|---|---|
| Corridor Width | 1.5 - 1.8m (budget); 1.8 - 2.1m (luxury) |
| Room Depth | 6.0 - 8.0m (budget/midscale); 8.0 - 12.0m (luxury) |
| Room Width | 3.3 - 3.6m (budget); 3.6 - 4.5m (midscale); 4.5 - 6.0m (luxury) |
| Rooms per Floor | 20 - 40 per corridor wing |
| NTG Ratio | 0.62 - 0.72 |
| Advantage | Most efficient layout; maximizes rooms per floor |
| Disadvantage | Single-aspect rooms; long, institutional corridors |
Atrium:
| Metric | Value |
|---|---|
| Atrium Width | 15 - 30m |
| Atrium Height | Full building height (dramatic) |
| Rooms per Floor | 30 - 80 per floor (wrapped around atrium) |
| NTG Ratio | 0.55 - 0.65 (atrium consumes GIA) |
| Advantage | Dramatic arrival, daylight to corridors, wayfinding |
| Disadvantage | Acoustic issues, fire engineering complexity, less efficient |
| Exemplar | Hyatt Regency Atlanta (John Portman, 1967) -- first atrium hotel, 22 storeys, 800 rooms |
Courtyard:
| Metric | Value |
|---|---|
| Courtyard Size | 15 - 40m across |
| Storeys | 2 - 5 |
| NTG Ratio | 0.58 - 0.68 |
| Advantage | Outdoor amenity, daylight, resort character |
| Exemplar | Aman Venice (Papadopoli Palace renovation) -- historic courtyard hotel |
Tower:
| Metric | Value |
|---|---|
| Floor Plate | 800 - 2,000 m2 GIA |
| Rooms per Floor | 12 - 30 |
| Core | 2+ lifts, service lift, firefighting lift, 2 stairs |
| NTG Ratio | 0.60 - 0.68 |
| Exemplar | Marina Bay Sands (Moshe Safdie, 2010, Singapore) -- 3 towers, 2,561 rooms, SkyPark |
6.2 Hotel Key Metrics
| Metric | Budget | Midscale | Upscale | Luxury |
|---|---|---|---|---|
| Room NIA (m2) | 16-20 | 22-28 | 30-40 | 40-60+ |
| Bathroom NIA (m2) | 3-4 | 4-5 | 6-8 | 8-12+ |
| Floor-to-Floor (m) | 2.9-3.1 | 3.0-3.3 | 3.3-3.6 | 3.6-4.2 |
| Lobby (m2/room) | 0.5-0.8 | 0.8-1.2 | 1.2-1.8 | 1.8-3.0 |
| F&B (seats/room) | 0.3-0.5 | 0.5-0.7 | 0.7-1.0 | 1.0-1.5 |
| BOH (% of FOH) | 40-50% | 45-55% | 50-60% | 55-70% |
| GIA/room (m2) | 35-45 | 50-65 | 70-90 | 90-140 |
| Staff/room ratio | 0.3-0.5 | 0.5-0.8 | 0.8-1.2 | 1.2-2.5 |
6.3 Restaurant
| Metric | Value |
|---|---|
| Dining Area per Seat | 1.4 - 1.8 m2 (casual); 1.8 - 2.5 m2 (fine dining) |
| Kitchen Area | 40 - 60% of dining area (full production); 25 - 40% (finishing kitchen) |
| Bar Area | 0.5 - 0.8 m2/stool + standing area |
| WC Provision | 1 per 30 covers (M), 1 per 15 covers (F) minimum |
| Floor-to-Ceiling | 3.0 - 3.5m (standard); 4.0 - 5.0m (destination restaurant) |
| Kitchen Ceiling | 3.0m min (extraction hoods, grease ducts) |
| Service Entrance | Separate from customer entrance |
7. Hybrid and Mixed-Use Typologies
7.1 Podium-Tower
| Metric | Value |
|---|---|
| Podium | 2-6 storeys, large floor plate (2,000-10,000 m2), retail/office/parking |
| Tower | 10-80+ storeys, smaller floor plate (400-2,000 m2), residential/hotel/office |
| Structural Transfer | At podium-tower interface; transfer beams/slabs up to 3m deep |
| Setback | Tower set back from podium edge (3-5m typical) for amenity terrace |
| Advantage | Urban street wall at podium height; density via tower; mixed uses |
| Disadvantage | Structural cost of transfer; servicing complexity; fire separation between uses |
Exemplars:
- De Rotterdam (OMA, 2013, Rotterdam) -- three interconnected towers on shared podium, 162,000 m2, office/residential/hotel
- Brickell City Centre (Arquitectonica, 2016, Miami) -- mixed-use, climate ribbon, retail podium + residential towers
- Battersea Power Station Phase 2 (Foster + Partners / Gehry Partners, 2021, London) -- retained power station as podium, new residential towers
7.2 Stacked Uses (Vertical Mixed-Use)
| Metric | Value |
|---|---|
| Typical Stacking Order (bottom to top) | Parking > Retail > Office > Hotel > Residential |
| Logic | Heavier uses lower, public uses at grade, quieter uses higher |
| Fire Separation | 2-hour fire-rated floor between different use classes (IBC/EN) |
| Acoustic Separation | Min 50 dB airborne + 55 dB impact between residential and commercial |
| Separate Cores | Each use class requires its own lift lobby and fire escape |
| Shared Services | Central plant with metered distribution to each use |
| Floor-to-Floor Variation | Retail 4.5m, Office 3.9m, Hotel 3.3m, Residential 3.0m |
7.3 Side-by-Side
| Metric | Value |
|---|---|
| Configuration | Different uses in adjacent volumes sharing a common base/ground level |
| Advantage | Independent structural systems, simpler fire engineering |
| Disadvantage | Requires wide site; less density than vertical stacking |
| Separation | Fire wall between uses; shared podium level for retail/public |
7.4 Vertical Village
| Metric | Value |
|---|---|
| Concept | Self-contained community in a single tall building, with all uses vertically integrated |
| Sky Lobbies | Every 10-15 floors, with shared amenity (gardens, retail, social spaces) |
| Structural | Outrigger trusses at sky lobbies for wind resistance |
| Exemplar | The Interlace (OMA, 2013, Singapore) -- horizontal village concept; WOHA Architects' projects in Singapore (e.g., Oasia Hotel Downtown, 2016 -- 314 rooms, sky gardens every 6 floors, 89% green plot ratio) |
7.5 Key Mixed-Use Design Challenges
| Challenge | Resolution |
|---|---|
| Entrance Separation | Each use gets its own lobby and address; residential entrance must be distinct from commercial |
| Servicing Conflicts | Separate loading docks or time-managed shared dock; separate waste collection |
| Structural Grid Mismatch | Office (9m grid) vs. residential (6-7.5m grid) vs. parking (7.2m grid) -- transfer structure |
| Ceiling Height Variation | Different floor-to-floor heights require careful section design at interfaces |
| Acoustic Isolation | Floating floors, isolated structural connections, buffer floors at use transitions |
| Fire Egress | Each use class must have independent egress to grade; no shared escape routes |
| Wind Effects | Tower-on-podium creates downdrafts; wind studies required for pedestrian comfort |
| Parking Allocation | Separate parking zones for each use; different peak times enable shared reduction |
References
- Neufert, E. & Neufert, P. (2019). Neufert Architects' Data. 5th ed. Wiley-Blackwell.
- MHCLG (2015). Technical Housing Standards -- Nationally Described Space Standard. UK Government.
- BCO (2019). BCO Guide to Specification. British Council for Offices.
- NHS Estates. Health Building Notes (HBN) Series. UK Department of Health.
- DfE (2014). Building Bulletin 103 / 104. UK Department for Education.
- Sport England. Design Guidance Notes. Sport England.
- Littlefield, D. (2008). Metric Handbook: Planning and Design Data. Routledge.
- Koolhaas, R. & Mau, B. (1995). S, M, L, XL. Monacelli Press.
- Mozas, J. & Fernandez Per, A. (2006). Density: New Collective Housing. a+t architecture publishers.
- Firley, E. & Stahl, C. (2009). The Urban Housing Handbook. Wiley.
- Kliment, S.A. (ed.). Building Type Basics series. Wiley.
- Council on Tall Buildings and Urban Habitat (CTBUH). Tall Building Design Guides.
- IBC (2021). International Building Code. ICC.
- RIBA Plan of Work (2020). Royal Institute of British Architects.
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Questions about Building Typology Reference
What does Building Typology Reference do?
Compares building types, from detached houses to supertall towers, using plan depth, density and efficiency metrics plus exemplar buildings. Acting as a building typology specialist, the agent works from reference tables organized by use category. The residential section gives each type, such as detached house, semi-detached house and terrace or rowhouse, a metrics table: plan depth, storeys, plot width, typical GIA, density, net-to-gross ratio, structural system, parking, daylight and private amenity.
When should I use Building Typology Reference?
Building Typology Reference fits situations like: comparing building types for a site, from terraces to mixed-use podium-tower schemes; checking typical plan depth, floor-to-floor height or net-to-gross ratio for a type; finding precedent buildings for a typology; assessing how plan depth affects daylight and density.
How do I install Building Typology Reference in Claude Code?
Run `npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a claude-code`. Or copy the skill folder (skills/building-typology in Abhinavbwj/Skills-Architects) into .claude/skills/building-typology in your project. Claude Code loads it when a task matches its description.
How do I install Building Typology Reference in Codex?
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Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add Abhinavbwj/Skills-Architects --skill building-typology -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/building-typology, .gemini/skills/building-typology, .github/skills/building-typology and .opencode/skills/building-typology in your project.
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Is Building Typology Reference safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
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About 8.5k tokens (SKILL.md is roughly 34k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 7.3k tokens, read only when the agent opens those files.
What are the alternatives to Building Typology Reference?
Skills that share tags, products or a category with Building Typology Reference: Thue Tncn Vietnam (dotanminh/thue-tncn-vietnam, 241 stars), Apartment Finder (hanzili/hanzi-browse, 177 stars), Realestate Commercial (zubair-trabzada/ai-realestate-claude, 179 stars) and Vet PR (etewiah/awesome-real-estate, 375 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Building Typology Reference?
Abhinavbwj (a GitHub user) maintains it in Abhinavbwj/Skills-Architects, which has 296 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on May 20, 2026.
Source: Abhinavbwj/Skills-Architects on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.