Commercial finance calculators

Free tools for UK commercial property and business finance. Each one shows its working, cites where its figures come from, and refuses to give you a number when it cannot give you a reliable one.

• Commercial stamp duty calculatorSDLT on a freehold purchase, a new lease including the net present value of the rent, or taking over an existing lease.
• Debt service cover calculatorHow many times rent or trading profit covers the debt service, at a stressed rate, compared against what named lenders actually publish.
• Development finance calculatorFacility size against both limits lenders apply, which one binds, and the residual land value as a range rather than a single figure.