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PropertyAccountants UK

Property tax calculators for UK landlords

Free, always-current tools built by specialist property accountants. Work out stamp duty, capital gains tax, Section 24 impact, incorporation costs, MTD and rental yield in seconds.

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Start with the five landlords use most

Pick a calculator, enter your figures and see where you stand without leaving this page. Every one of them has a full page of its own below if you want the workings and the caveats.

The full set

Every calculator, by category

27 free tools, kept current for 2026/27. Each one opens on its own page with the assumptions written out underneath.

Stamp duty4

Stamp Duty (SDLT) CalculatorSDLT for England & NI, including the 5% buy-to-let / second-home surcharge, first-time-buyer relief and the 2% non-resident surcharge.LBTT Calculator (Scotland)Land and Buildings Transaction Tax for Scotland, including the 8% Additional Dwelling Supplement on second homes and buy-to-lets.LTT Calculator (Wales)Land Transaction Tax for Wales, including the higher rates for buy-to-lets and second homes.First-Time Buyer Stamp Duty CalculatorThe SDLT a first-time buyer pays in England & NI, and how much the relief saves versus standard rates.

Capital gains tax2

UK Capital Gains Tax CalculatorWork out how much capital gains tax you pay on a property or shares in 2026/27, at 18% / 24% with the £3,000 allowance.Cost of Selling a House CalculatorWork out what selling your house will cost you, and which of those costs come off a capital gain if it was let.

Income tax4

Section 24 Tax CalculatorThe extra income tax the mortgage-interest restriction costs a landlord, by rent, mortgage interest and tax band.Tax on Rental Income CalculatorSee how much tax you pay on your rental income, what the mortgage interest credit gives back, and what you keep.Rent-a-Room Relief CalculatorTax on letting a furnished room in your own home, comparing the £7,500 rent-a-room scheme with the normal basis.Property Allowance CheckerWhether your property income is covered by the £1,000 property allowance, or whether the allowance or actual expenses leave you with less tax.

Incorporation4

Incorporation Cost CalculatorThe upfront CGT + SDLT of moving a rental into a limited company, plus the annual saving and break-even.Corporation Tax CalculatorCorporation Tax on a property company's profit, with the 19% / 25% rates and marginal relief between.Dividend Tax CalculatorThe tax on dividends drawn from your property company, with the £500 allowance and 10.75% / 35.75% / 39.35% rates.Property Company Extraction CalculatorThe tax cost of paying yourself from a property company: salary, dividends, or a mix, at 2026/27 rates.

Portfolio3

Portfolio Profitability CalculatorNet profit and gross / net yield across every property in a portfolio.Rental Yield CalculatorPut in a price and a monthly rent and you get the gross and the net rental yield together, with the arithmetic shown.Buy-to-Let ROI and Cashflow CalculatorSee the cash a rental leaves you each month and each year, and what that cash returns on the money you put in.

Compliance1

Making Tax Digital (MTD) CheckerWhether a landlord must comply with Making Tax Digital for Income Tax, and from which April.

Specialist Tax3

R&D Tax Credit CalculatorEstimated R&D tax relief under the merged scheme or ERIS, from your qualifying R&D spend.Capital Allowances CalculatorEstimated embedded capital allowances in a commercial property, by sector, with year-1 relief and CT saving.BPR and APR Allowance CalculatorThe combined £2.5m business and agricultural property relief allowance from 6 April 2026: what gets 100% relief, what drops to 50%, and the inheritance tax that leaves.

Property Finance5

Buy to Let Mortgage CalculatorEnter the price and your deposit and see what a buy-to-let mortgage costs you each month, interest-only and capital repayment side by side.Buy-to-Let Stress Test CalculatorSee the maximum loan a rental's income supports, using a lender's stress rate and interest cover ratio.Commercial Mortgage CalculatorEstimate the monthly payment on a commercial mortgage, plus the debt service cover ratio (DSCR).Bridging Loan CalculatorEstimate the total cost of a bridging loan, interest, arrangement fee and exit fee, over the term.Development Finance CalculatorEstimate the maximum development finance facility from GDV and loan-to-cost, plus the cash you'd need.

Leasehold1

Lease Extension Premium CalculatorThe statutory premium to extend a flat lease, itemised into capitalised ground rent, reversion and marriage value, as an honest range rather than a single figure.

See all current UK property tax rates for 2026/27 →

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Need help interpreting your results?

These calculators provide simplified estimates. For a full analysis of your specific situation, including incorporation feasibility, capital gains planning, or portfolio profitability reporting, speak to one of our property accountants.

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