standard tier · 72 briefs · 1,368 runs · results db2e24e

CityFormGen

Generative and optimisation methods for middle housing, compared under matched compute

RESEARCH GENERATIVE-DESIGN BENCHMARK - NOT CONSTRUCTION DOCUMENTATION OR CODE CERTIFICATION.

B0022 · daylight-optimal · seed 0

B0022-anneal-0-313

Simulated annealingC · meets all 17 benchmark constraints. Brief B0022

Plan drawing of a rowhouse on a 18.3 by 25.5 metre lot, 2 storeys, 3 dwellings, 29 rooms. Dwelling U0 (2BR) has 9 rooms totalling 102 square metres. Dwelling U1 (3BR) has 11 rooms totalling 195 square metres. Dwelling U2 (2BR) has 9 rooms totalling 90 square metres. Building footprint 193 square metres; open space 277 square metres. This design satisfies every benchmark hard constraint. Objective scores, higher is better: density 0.77, daylight 0.71, privacy 0.88, circulation 0.54, carbon 0.83, cost 0.41.
B0022 · anneal · seed 0scale bar 5 m · north arrow top right✓ FEASIBLE

Plan drawing of a rowhouse on a 18.3 by 25.5 metre lot, 2 storeys, 3 dwellings, 29 rooms. Dwelling U0 (2BR) has 9 rooms totalling 102 square metres. Dwelling U1 (3BR) has 11 rooms totalling 195 square metres. Dwelling U2 (2BR) has 9 rooms totalling 90 square metres. Building footprint 193 square metres; open space 277 square metres. This design satisfies every benchmark hard constraint. Objective scores, higher is better: density 0.77, daylight 0.71, privacy 0.88, circulation 0.54, carbon 0.83, cost 0.41.

Objective vector

Proxy scores in [0, 1], higher is better. Kept as a vector; there is no overall score.

density
0.766
daylight
0.713
privacy
0.881
circulation
0.544
carbon
0.833
cost
0.414

Reported quantities

FAR proxy (GFA / lot)
0.83
site utilisation
0.848
gross floor area, m²
386.6
footprint, m²
193.3
carbon proxy, kgCO₂e/m² (A1–A3)
320
cost index / m² (unitless)
2.66
worst habitable room, daylight
0.333
circulation share of GFA
22%
open space, net of parking
59%
courtyard void, m²
0.0
plumbing stacks
8
footprint corners
4
preferred adjacencies met
63%

Benchmark constraints

Benchmark rules, not building code.

  • C01geometry valid passed
  • C02no overlap passed
  • C03within buildable passed
  • C04min room area passed
  • C05min room dimension passed
  • C06max room aspect passed
  • C07min unit area passed
  • C08unit connectivity passed
  • C09street access passed
  • C10habitable daylight passed
  • C11required adjacency passed
  • C12forbidden door passed
  • C13open space passed
  • C14courtyard provision passed
  • C15programme complete passed
  • C16unit contiguity passed
  • C17vertical support passed

Dwellings and rooms

DwellingTypeArea m²Rooms
U02BR102.09
U13BR194.611
U22BR90.09
All 29 rooms
RoomTypeDwellingStoreyw × h m
STAIR:U0@0circulationU0010.17.50 × 1.35
STAIR:U0@1circulationU0110.17.50 × 1.35
U0@0#3bathroomU008.03.40 × 2.35
U0@0#2kitchenU0010.53.40 × 3.10
U0@0#0entryU0010.04.10 × 2.45
U0@0#1livingU0012.34.10 × 3.00
U0@1#6bedroom secondaryU0121.03.85 × 5.45
U0@1#7bathroomU016.43.65 × 1.75
U0@1#5bedroom primaryU0113.53.65 × 3.70
STAIR:U1@0circulationU1013.77.60 × 1.80
STAIR:U1@1circulationU1113.77.60 × 1.80
U1@0#2diningU1014.23.35 × 4.25
U1@0#4bathroomU105.03.35 × 1.50
U1@0#0entryU105.03.35 × 1.50
U1@0#3kitchenU1012.63.35 × 3.75
U1@0#1livingU1046.84.25 × 11.00
U1@1#6bedroom primaryU1142.45.40 × 7.85
U1@1#8bedroom secondaryU1117.05.40 × 3.15
U1@1#9bathroomU1111.92.20 × 5.40
U1@1#7bedroom secondaryU1112.32.20 × 5.60
STAIR:U2@0circulationU208.11.35 × 6.00
STAIR:U2@1circulationU218.11.35 × 6.00
U2@0#1livingU2019.23.20 × 6.00
U2@0#2kitchenU208.12.95 × 2.75
U2@0#0entryU204.62.95 × 1.55
U2@0#3bathroomU205.02.95 × 1.70
U2@1#5bedroom primaryU2118.63.10 × 6.00
U2@1#6bedroom secondaryU218.83.05 × 2.90
U2@1#7bathroomU219.53.05 × 3.10

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