UK Investment Property Calculators
Free tools for UK property investors — rental yield, buy-to-let cashflow, stamp duty, mortgage and serviced accommodation returns. No signup required.
Stamp Duty Calculator
Calculate SDLT on residential and investment properties, including the 3% surcharge for additional dwellings and SPV comparison.
Open CalculatorRental Yield Calculator
Calculate gross and net rental yield for any UK property. Includes void periods, management fees, and maintenance.
Open CalculatorBuy-to-Let ROI Calculator
Full return on investment including capital growth, rental income, mortgage costs, and tax. 5-year and 10-year projections.
Open CalculatorMortgage Repayment Calculator
Calculate monthly repayments for interest-only and repayment mortgages. Compare LTV ratios and stress-test at higher rates.
Open CalculatorHMO Yield Calculator
Estimate gross and net yield for Houses in Multiple Occupation (HMOs). Accounts for room-by-room rental income and HMO running costs.
Open CalculatorFull Investment Analysis
Enter any Rightmove property URL to generate a complete 12-section investment report — rental benchmarks, scenario analysis, mortgage modelling, SA projections, planning applications and more.
Run AnalysisCapital Gains Tax Calculator
Estimate your CGT liability on UK property disposals, including annual allowance and rate bands.
Open CalculatorSection 24 Tax Impact
See how mortgage interest restrictions affect your BTL profitability and whether SPV incorporation makes sense.
Open CalculatorWant more than calculators? PropertyAlert.uk gives investors full postcode benchmarks, BMV scoring across 262k+ properties, and complete investment reports.
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