Tools
Free calculators for UK property investors
The same calculations that run inside DealSold, tested against GOV.UK's worked examples.
Buy-to-let stamp duty calculator
England and NI rates since 1 April 2025, with the additional property surcharge and band-by-band workings.
BRRR calculator
Cash left in after refinancing and the return on it, with stamp duty, works and the new mortgage counted in.
Rental yield calculator
Gross and net yield, with stamp duty, legal costs and refurbishment counted in.