B0042 · density-optimal · seed 0
B0042-heuristic-0~r1
Heuristic-seeded NSGA-IIA+D · meets all 17 benchmark constraints. Brief B0042
Plan drawing of a adu pair on a 14.8 by 21.3 metre lot, 2 storeys, 2 dwellings, 14 rooms. Dwelling U0 (3BR) has 8 rooms totalling 88 square metres. Dwelling U1 (studio) has 4 rooms totalling 88 square metres. Building footprint 104 square metres; open space 223 square metres. This design satisfies every benchmark hard constraint. Objective scores, higher is better: density 1.00, daylight 0.58, privacy 0.83, circulation 0.63, carbon 0.77, cost 0.60.
Objective vector
Proxy scores in [0, 1], higher is better. Kept as a vector; there is no overall score.
- density
- 1.000
- daylight
- 0.576
- privacy
- 0.830
- circulation
- 0.635
- carbon
- 0.771
- cost
- 0.598
Reported quantities
- FAR proxy (GFA / lot)
- 0.66
- site utilisation
- 1.000
- gross floor area, m²
- 207.4
- footprint, m²
- 103.7
- carbon proxy, kgCO₂e/m² (A1–A3)
- 342
- cost index / m² (unitless)
- 2.37
- worst habitable room, daylight
- 0.136
- circulation share of GFA
- 18%
- open space, net of parking
- 57%
- courtyard void, m²
- 0.0
- plumbing stacks
- 1
- footprint corners
- 4
- preferred adjacencies met
- 33%
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 | 3BR | 88.0 | 8 |
| U1 | studio | 88.0 | 4 |
All 14 rooms
| Room | Type | Dwelling | Storey | m² | w × h m |
|---|---|---|---|---|---|
| CORE@0 | shared circulation | shared | 0 | 15.7 | 10.80 × 1.45 |
| CORE@1 | shared circulation | shared | 1 | 15.7 | 10.80 × 1.45 |
| U0@0#3 | kitchen | U0 | 0 | 7.6 | 3.45 × 2.20 |
| U0@0#0 | entry | U0 | 0 | 2.8 | 1.25 × 2.20 |
| U0@0#4 | bathroom | U0 | 0 | 13.4 | 6.10 × 2.20 |
| U0@0#1 | living | U0 | 0 | 18.2 | 5.70 × 3.20 |
| U0@0#2 | dining | U0 | 0 | 16.3 | 5.10 × 3.20 |
| U0@0#7 | bedroom secondary | U0 | 0 | 8.3 | 3.00 × 2.75 |
| U0@0#6 | bedroom secondary | U0 | 0 | 9.2 | 3.35 × 2.75 |
| U0@0#5 | bedroom primary | U0 | 0 | 12.2 | 4.45 × 2.75 |
| U1@1#2 | kitchen | U1 | 1 | 19.5 | 7.35 × 2.65 |
| U1@1#3 | bathroom | U1 | 1 | 5.6 | 2.10 × 2.65 |
| U1@1#0 | entry | U1 | 1 | 3.6 | 1.35 × 2.65 |
| U1@1#1 | living | U1 | 1 | 59.4 | 10.80 × 5.50 |