Mixed-Use Development Calculator

Key in your site, pull the sliders, and stress-test a residential-over-commercial scheme. Singapore defaults, every rate editable. Indicative only — not a valuation.

Total development cost
Gross development value
Profit / loss
Margin on cost

Site & planning envelope

Everything below flows into the GFA and cost model.

Bonus & communal GFA

Efficiency SG market benchmarks

Unit mix

Quick tabulation, or key in every unit type.

Carpark

Basement area is a major cost driver.

Derived areas

Computed from your inputs. These feed the cost and revenue model directly.