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Two indicative figures for the same building: what it is worth as it stands, on an income basis, and what the land is worth with consent, on a residual basis. Every number in the result comes from a number you entered. There is no dataset behind this page and no figure supplied by us.

Indicative only. This is not a valuation, an appraisal you can bank, or advice. A residual calculation is extremely sensitive to sales values and build costs — a five per cent move in either can move the land figure by far more than five per cent. Get a valuer and a cost consultant before you commit.

The building

Your reference (optional)

Gross internal area, sq m

Net to gross, %

Your efficiency assumption. Conversions are usually worse than new build.

Proposed dwellings (for reference)

As it stands — income basis

Your rent, your yield. We do not supply either.

Passing or achievable rent, £ per year

Yield you would apply, %

With consent — residual basis

Sales value, £ per sq m of net area

Build cost, £ per sq m of gross area

Professional fees, % of build

Contingency, % of build

Finance, % of construction and fees

A single-figure stand-in for interest and fees over the programme.

Developer profit, % of sales value

Area, sales value and build cost are needed before a residual figure means anything.