P propCALC.uk
Get Propreneur free
propcalc.uk by Propreneur Free UK calculators · no sign-up
Compare tools

Deal strategies

Strategy R2R SA BTL HMO BRR Flip BMV Commercial Development

Financial & quick tools

NPV / IRR DSCR Multiples CoC / ROE LTV Breakeven SDLT Bridging Mortgage Yield BTL ROI Void Skip CGT Affordability Refurb Snagging

About this calculator

Cash-on-cash return and monthly cashflow for a standard BTL with deposit, SDLT, and mortgage.

Related tools

Did you know?

Cash-on-cash uses only the cash you put in (deposit plus costs), not the full property price, so it is the key metric for geared investors.

Calculator

Buy-to-let ROI

Cash-on-cash return and monthly cashflow for a classic BTL purchase (deposit, SDLT, mortgage, agent fees).

Inputs

Property purchase

Financing

Rental income and costs

Run calculator

Runs against the live API. Nothing is stored. Use Sign up to save results.

Sensitivity scenarios

Sign up to save deals

Create a free Propreneur account to save these numbers against a property.

Optional overrides - mortgage estimate for BTL / commercial

Uses offer price, monthly rent, and monthly expenses (x12 as annual opex) from the form above.

Show working

See every formula, your numbers plugged in step by step, and where each cost comes from. No other UK property calculator shows its maths like this.

Save your numbers and get the next step

Email yourself this run so you do not have to rebuild it later. We will include the result, the assumptions, and the next Propreneur step for saving deals and tracking follow-up.

Run the calculator first. The email uses your latest numbers.

Phone is optional and only for direct follow-up. You can keep calculating without submitting this form.

Saved - check your inbox shortly.

Create a free Propreneur account to keep calculators, deal notes, follow-ups, and portfolio tracking in one workspace.