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Development › Double Bay › Holding #8

Amalgamation site

Address locked, Double Bay

2 houses today → about 65 homes as apartments, up to 8 storeys + bonus. About 2,250 m², 35 m frontage, zone R3.

Residual land valueA$42.5m
Likely ask (2 houses)A$32.5mFrom the land values x 1.15
HeadroomA$10.0m
Gain over buying separatelyA$4.3m
Claim this holding

A$182 inc GST · 3 months

A claim takes this holding off the market for every other member for 3 months and opens its address, lot outline, exact figures and neighbours to you.

Sites whose best option clears a 40% margin on cost at the likely ask are A$387. One claim credit claims any site.

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Every option the rules allow

OptionHomesStoreysGFARealisationCostsResidual land valueHeadroomProfit at likely ask
Apartments, up to 8 storeys + affordable housing bonusLow and Mid-Rise + Chapter 2 bonus (15% affordable) · FSR 2.86:1 · 28.6 m 6586,000 m² A$130mA$45.0mA$42.5mA$10.0m A$32.5m38% on cost · 25% on revenue
Cost stack
  • Construction 6,000 m² at A$5,500/m²A$35.0m
  • Basement parkingA$2.2m
  • DemolitionA$90k
  • Consultants, DA and certification (9%)A$3.5m
  • Contributions (A$28,000 per new home)A$1.8m
  • Contingency (5%)A$2.1m
  • Then selling costs 3%, GST on the margin, finance 7.5%, stamp duty 5.5% and a 20% developer margin solve for the land. Buying at the likely ask of A$32.5m instead leaves A$32.5m pre-tax on a total development cost of A$85.0m. Includes 15% affordable housing at 65% of market.
Apartments, up to 6 storeysLow and Mid-Rise (within 400 m) · FSR 2.2:1 · 22 m 5065,000 m² A$100mA$35.0mA$37.5mA$5.0m A$16.0m22% on cost · 16% on revenue
Cost stack
  • Construction 5,000 m² at A$5,500/m²A$27.5m
  • Basement parkingA$1.7m
  • DemolitionA$90k
  • Consultants, DA and certification (9%)A$2.5m
  • Contributions (A$28,000 per new home)A$1.4m
  • Contingency (5%)A$1.6m
  • Then selling costs 3%, GST on the margin, finance 7.5%, stamp duty 5.5% and a 20% developer margin solve for the land. Buying at the likely ask of A$32.5m instead leaves A$16.0m pre-tax on a total development cost of A$75.0m.
TownhousesLow and Mid-Rise · FSR 0.75:1 · 10.5 m 1021,750 m² A$40.0mA$8.5mA$20.0m-A$12.5m -A$8.0m-17% on cost · -20% on revenue
Cost stack
  • Construction 1,750 m² at A$4,100/m²A$7.0m
  • DemolitionA$90k
  • Consultants, DA and certification (9%)A$650k
  • Contributions (A$28,000 per new home)A$250k
  • Contingency (5%)A$375k
  • Then selling costs 3%, GST on the margin, finance 7.5%, stamp duty 5.5% and a 20% developer margin solve for the land. Buying at the likely ask of A$32.5m instead leaves -A$8.0m pre-tax on a total development cost of A$45.0m.
TerracesLow and Mid-Rise · FSR 0.75:1 · 10.5 m 621,000 m² A$24.0mA$5.0mA$12.0m-A$20.5m -A$19.0m-45% on cost · -79% on revenue
Cost stack
  • Construction 1,000 m² at A$4,300/m²A$4.3m
  • Basement parkingA$200k
  • DemolitionA$90k
  • Consultants, DA and certification (9%)A$400k
  • Contributions (A$28,000 per new home)A$110k
  • Contingency (5%)A$240k
  • Then selling costs 3%, GST on the margin, finance 7.5%, stamp duty 5.5% and a 20% developer margin solve for the land. Buying at the likely ask of A$32.5m instead leaves -A$19.0m pre-tax on a total development cost of A$42.5m.

Site facts

Houses
House, 1,200 m²House, 1,100 m²
Site area
About 2,250 m²
Street frontage
About 35 m (measured against the road corridor)
Zone
R3
Nearest nominated centre
About 250 m (straight line) · Within 400 m of a nominated centre
Land value
About A$27,500,000 at 1 July 2025, NSW Valuer General (the houses together)