10 cost factors
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Material Costs Base construction cost including structure, foundation, roofing, interior/exterior finishes, plumbing, electrical, HVAC, septic, footings, and infrastructure | $1,000 | /sqm | |
Water Connection Drilling and installation of water well | $2,000 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Contingency Budget contingency reserve | $2,500 | Fixed | |
Architect & Permits Architectural design fees and building permits | $12,500 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Sales & Marketing Fixed marketing fee per house | $12,500 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Labour & Management Builder's 30% markup on actual hard costs. Covers profit, wastage (12-15%), losses, theft, and equipment breakdowns. | 30% | % |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Co-Op Commission 5.65% net commission on total of hard costs + builder markup + soft costs + marketing | 5.65% | % |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
Kids Area Outdoor shaded wooden play area with swing chair! | $2,500 | /unit | |
Pool Deck Wrap-around deck for pool per sqm. Includes builder margin. | $500 | /sqm | |
Swimming Pool Pool construction cost per sqm. Includes builder margin. | $1,000 | /sqm |
| Name | Value (0–1) | Meaning | Actions |
|---|---|---|---|
materialRatio | 0.65 (65%) | 65% materials · 35% labor/fixed |
| Tier | Multiplier | Effect on total base rate * | Actions |
|---|---|---|---|
Economy | 0.70× | -20% vs Mid-Range | |
Standard | 0.85× | -10% vs Mid-Range | |
Mid-Range | 1.00× | baseline | |
Semi-Luxury | 1.25× | +16% vs Mid-Range | |
Ultra-Luxury | 1.60× | +39% vs Mid-Range |
* at 10ft ceilings. Higher ceilings scale the material portion proportionally.
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Large – 1.2m out | $7,800 | Fixed | |
XL – 1.8m out | $11,800 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Small (3m×5m, basic) | $11,800 | Fixed | |
Medium (4.5m×6m, modern) | $18,800 | Fixed | |
Large (4.5m×9m, full deck) | $28,800 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Small (3m×5m) | $7,800 | Fixed | |
Medium (4.5m×6m + Storage) | $12,800 | Fixed | |
Large (4.5m×9m + XL Storage) | $17,800 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
No Pool & Deck | $0 | Fixed | |
Small (3m×5m pool, 2m deck) | $24,000 | Fixed | |
Medium (4.5m×6m, 2.5m deck) | $36,000 | Fixed | |
Large (4.5m×9m, 3m deck) | $48,000 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Small – 15kWh | $24,000 | Fixed | |
Med – 25kWh | $36,000 | Fixed | |
Large – 40kWh | $48,000 | Fixed | |
XL – 55kWh | $60,000 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Small – 100 Gal | $12,000 | Fixed | |
Med – 250 Gal | $15,500 | Fixed | |
Large – 500 Gal | $19,000 | Fixed |
| Name | Unit Cost | Unit Type | Actions |
|---|---|---|---|
None | $0 | Fixed | |
Small – 1×100G | $6,500 | Fixed | |
Med – 3×100G | $9,500 | Fixed | |
Large – 3×250G | $13,000 | Fixed |
| Name | Value | Unit Type | Actions |
|---|---|---|---|
Base Cost per SQM (All Standard Styles) | $1,000 | Fixed |
| Name | Value | Unit Type | Actions |
|---|---|---|---|
Stilts Surcharge | 3.5% | % |
| Name | Value | Unit Type | Actions |
|---|---|---|---|
Efficient Studio (430 sqft) | $880 | Fixed |
| Name | Value | Unit Type | Actions |
|---|---|---|---|
Efficient Studio (860 sqft) | $800 | Fixed |