8 Free Property Calculators
Everything a UK property investor needs, built into one free tool hub.
Gross yield, net yield, monthly cashflow, Section 24 tax impact and 5-year projections.
SDLT (England), LBTT (Scotland) and LTT (Wales) — standard, additional property and first-time buyer rates.
Monthly repayments, total interest cost and full amortisation schedule for repayment or interest-only.
Gross and net rental yield plus monthly income after management, maintenance and void allowance.
Serviced accommodation cashflow with occupancy sensitivity — compare SA vs BTL returns instantly.
House in Multiple Occupation gross yield, net yield and monthly cashflow across multiple rooms.
Total return, annualised ROI and cash-on-cash return combining cashflow and capital appreciation.
Simple monthly income vs expenses breakdown — perfect for a quick property cashflow sense-check.
Exit Strategy Calculators
Plan your property exit — CGT, flips, refinancing and portfolio disposal.
Calculate your capital gains tax liability on a UK property sale at 18% or 24% — with annual exempt amount and PPR relief.
Model net profit on a buy-refurb-sell including stamp duty, bridging finance, CGT and all selling costs.
Compare net cash from remortgaging to release equity versus selling your investment property outright.
Plan CGT-efficient disposal of up to 5 properties across tax years to maximise annual exempt amounts.
Analyse real UK properties live
PropertyBrain gives you the maths. PropertyAlert.uk shows you 46,000+ real listings with yield, cashflow and SA projections already calculated.
Why use PropertyBrain?
- Instant results — every calculator updates as you type, no submit button
- UK-specific — SDLT, LBTT and LTT covered; Section 24 tax correctly modelled
- No signup — no email, no account, no paywall
- Free Excel downloads — take the numbers offline with our BTL tracker and deal analyser
- Mobile-friendly — works on any device
Free Excel Downloads
Take our calculators offline with free Excel spreadsheets — no formulas to build, just enter your numbers.
- BTL Cashflow Tracker (12-month P&L)
- Property Deal Analyser (SDLT auto-calc)
- Portfolio Tracker (multi-property)
- SA Income Calculator with seasonality