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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.