Free calculators
UK property calculators that show their working
No sign-up and nothing to install. Each calculator prints the sum it did, so you can check it, and says when its rates were last checked.
Stamp duty calculator
England and Northern Ireland. First-time buyer relief and the 5% surcharge, band by band.
24/44/49 LandlordsLandlord tax 2027 calculator
What the new property income rates add to your bill from April 2027, with the mortgage interest credit.
£/mo MortgagesMortgage repayment calculator
Monthly repayments, total interest, and what a rate rise does to your payment.
LBTT BuyingLBTT calculator (Scotland)
Land and Buildings Transaction Tax, first-time buyer relief and the 8% ADS.
LTT BuyingLTT calculator (Wales)
Land Transaction Tax main and higher rates, worked band by band.
% LandlordsRental yield calculator
Gross and net yield, monthly cash flow, and the costs most people forget.
2.5% BuyingYour First Home calculator
The new 20% government equity loan for first-time buyers: deposit, mortgage and the monthly cost from year 6.
+£/mo MortgagesFixed rate ending? Remortgage calculator
What your payment does when your fix ends and you move to a new rate.
MTD LandlordsMaking Tax Digital checker
When quarterly digital tax updates start for you, from your rent before expenses.
Coming next
Home value estimate
An estimated price range for your home from nearby sold prices, with the comparables shown.
Join the early list →Total buying costs
Stamp duty, solicitor, survey, mortgage fees and moving costs in one total.
How much can I borrow?
A realistic borrowing range from income, outgoings and today's stress-test rates.
Capital gains on property
Tax when you sell a second home or rental, with the £3,000 allowance.
Rent or buy?
Compare the real cost of renting and owning over the years you plan to stay.
Free guide
Get the free Landlord Tax 2027 guide
The new 24%, 44% and 49% rates explained with worked examples, a checklist of what to do before 6 April 2027, and the questions to ask your accountant.