Updated for 2026/27 · Runs in your browser

Property Calculators & Guides for UK Landlords

Work out your numbers and understand the rules, in plain English. Rental yield, Section 24, stamp duty, CGT, the April 2027 tax changes and more, all calculated right here in your browser.

Built around the April 2027 property tax changes and the Renters' Rights Act, the two biggest changes facing UK landlords right now.

See your 2027 tax impact → Browse all calculators
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All calculations run in your browser. Nothing is ever sent to a server or stored.

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Built in for the April 2027 property tax rate changes that most tools still ignore.

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Plain-English guides, not jargon. Written to actually help you plan.

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No account or sign-up required.

Calculators

12 calculators →
Time-sensitive 2027 Tax Change CalculatorHow much more you will pay once the new property tax rates land.Open calculator → Current Section 8 Grounds CheckerFind the right ground for possession now that Section 21 is gone.Open calculator → Active from 2026 MTD Eligibility CheckerFind out when Making Tax Digital for Income Tax applies to you.Open calculator →Rental Yield CalculatorGross and net yield on any buy-to-let, with a full cost breakdown.Open calculator →Stamp Duty (SDLT) CalculatorBTL stamp duty for England & NI, including the 5% surcharge.Open calculator →Buy-to-Let Cashflow CalculatorMonthly and annual cashflow, cash-on-cash return and break-even rent.Open calculator →Section 24 Tax CalculatorSee exactly how the mortgage interest restriction hits your tax bill.Open calculator →BTL Mortgage AffordabilityHow much you can borrow under lender ICR stress-test rules.Open calculator →Rental Income Tax CalculatorFull tax breakdown on your rental profit for 2026/27 and 2027/28.Open calculator →Ltd Company vs PersonalCompare tax on rental income held personally vs through a company.Open calculator →Capital Gains Tax CalculatorCGT on a property sale, including PPR relief and the 60-day deadline.Open calculator →Portfolio Overview CalculatorTotal value, equity, yield and cashflow across up to 5 properties.Open calculator →

Guides

12 guides →
Time-sensitive April 2027 Property Tax ChangesWhat the new 22%/42%/47% property income tax rates mean for your bill.Read the guide → Current Section 21 is AbolishedWhat landlords do now that no-fault evictions have ended.Read the guide → Active from 2026 Making Tax Digital for LandlordsWhen MTD for Income Tax applies to you and what you need to do.Read the guide →Section 24 ExplainedHow the mortgage interest restriction works, and how to plan around it.Read the guide →Ltd Company vs Personal NameShould you hold buy-to-let property personally or through a company?Read the guide → Current Section 8 Grounds: Complete GuideEvery possession ground explained, with notice periods and evidence needed.Read the guide →

Plus a free downloadable 2026/27 Quick Reference Guide. Browse all guides covering stamp duty, CGT, allowable expenses, rental yield, BTL mortgages and more.

Free PDF

Get the free 2026/27 Landlord Tax Guide

Every income tax band, Section 24 figure, stamp duty and CGT rate you need this year, plus the April 2027 changes explained, in one short download.

Get the free guide →