Calculators
Landlord calculators
Six free tools for individual landlords in England, Wales and Northern Ireland. They run in your browser, with no sign-up. Updated 9 November 2026.
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Landlord tax calculator 2027/28
Your tax on rental profit now and under the new 24% / 44% / 49% rates from April 2027.
Open calculator →%Section 24 calculator
What the mortgage interest restriction costs you each year.
Open calculator →↗Capital Gains Tax on rental property
Tax on selling a buy-to-let, with your 60-day deadline.
Open calculator →⌂Stamp Duty for buy-to-let
SDLT with the 5% additional property surcharge, band by band.
Open calculator →✓Making Tax Digital checker
Whether and when you must send quarterly updates to HMRC.
Open calculator →≈Rental yield and cash flow
Gross and net yield, cash flow and return on cash.
Open calculator →