B0029 · cost-optimal · seed 1
B0029-sketch-1-898
Random sketch + repairF′ · meets all 17 benchmark constraints. Brief B0029
Plan drawing of a triplex on a 14.1 by 21.5 metre lot, 2 storeys, 3 dwellings, 17 rooms. Dwelling U0 (studio) has 4 rooms totalling 39 square metres. Dwelling U1 (1BR) has 5 rooms totalling 74 square metres. Dwelling U2 (2BR) has 6 rooms totalling 113 square metres. Building footprint 126 square metres; open space 178 square metres. This design satisfies every benchmark hard constraint. Objective scores, higher is better: density 0.98, daylight 0.38, privacy 0.79, circulation 0.62, carbon 0.79, cost 0.54.
Objective vector
Proxy scores in [0, 1], higher is better. Kept as a vector; there is no overall score.
- density
- 0.979
- daylight
- 0.379
- privacy
- 0.792
- circulation
- 0.622
- carbon
- 0.788
- cost
- 0.544
Reported quantities
- FAR proxy (GFA / lot)
- 0.83
- site utilisation
- 0.986
- gross floor area, m²
- 251.9
- footprint, m²
- 125.9
- carbon proxy, kgCO₂e/m² (A1–A3)
- 336
- cost index / m² (unitless)
- 2.46
- worst habitable room, daylight
- 0.226
- circulation share of GFA
- 21%
- open space, net of parking
- 53%
- courtyard void, m²
- 0.0
- plumbing stacks
- 2
- footprint corners
- 4
- preferred adjacencies met
- 50%
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
| Dwelling | Type | Area m² | Rooms |
|---|---|---|---|
| U0 | studio | 39.2 | 4 |
| U1 | 1BR | 73.5 | 5 |
| U2 | 2BR | 112.7 | 6 |
All 17 rooms
| Room | Type | Dwelling | Storey | m² | w × h m |
|---|---|---|---|---|---|
| CORE@0 | shared circulation | shared | 0 | 13.2 | 9.80 × 1.35 |
| CORE@1 | shared circulation | shared | 1 | 13.2 | 9.80 × 1.35 |
| U1@0#4 | bedroom primary | U1 | 0 | 11.7 | 3.95 × 2.95 |
| U1@0#1 | living | U1 | 0 | 11.7 | 3.95 × 2.95 |
| U1@0#2 | kitchen | U1 | 0 | 34.5 | 5.85 × 5.90 |
| U1@0#0 | entry | U1 | 0 | 8.6 | 5.35 × 1.60 |
| U1@0#3 | bathroom | U1 | 0 | 7.1 | 4.45 × 1.60 |
| U0@0#1 | living | U0 | 0 | 20.8 | 5.20 × 4.00 |
| U0@0#2 | kitchen | U0 | 0 | 9.4 | 4.60 × 2.05 |
| U0@0#0 | entry | U0 | 0 | 5.6 | 2.85 × 1.95 |
| U0@0#3 | bathroom | U0 | 0 | 3.4 | 1.75 × 1.95 |
| U2@1#1 | living | U2 | 1 | 21.3 | 5.45 × 3.90 |
| U2@1#3 | bathroom | U2 | 1 | 10.4 | 5.45 × 1.90 |
| U2@1#4 | bedroom primary | U2 | 1 | 31.1 | 5.45 × 5.70 |
| U2@1#0 | entry | U2 | 1 | 13.1 | 4.35 × 3.00 |
| U2@1#2 | kitchen | U2 | 1 | 23.1 | 4.35 × 5.30 |
| U2@1#5 | bedroom secondary | U2 | 1 | 13.9 | 4.35 × 3.20 |