UK Fin Lab

Professional-grade UK financial tools

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Homes

Explore UK calculators for mortgages, deposits, affordability, rent comparisons, moving costs and other home finance decisions.

Category Homes
Tools Planned 11
Available Now 11

Mortgage Repayment Calculator

Estimate monthly mortgage repayments based on your loan size, interest rate and term, with a clear breakdown of long-term borrowing costs.

Mortgage Overpayment Calculator

See how overpaying your mortgage could reduce your balance, shorten your term and lower the total interest paid over time.

Mortgage Rate Change Calculator

Measure how a future rate change could affect your mortgage payments and compare the difference in cost across different interest rates.

Mortgage Affordability Estimator

Estimate how much you may be able to borrow for a home purchase based on income, deposit size and headline affordability assumptions.

Stamp Duty Calculator

Work out stamp duty costs for buying property in the UK and see how the tax changes depending on the purchase price and buying scenario.

Rent vs Buy Calculator

Compare the long-term financial impact of renting versus buying a home, including housing costs, equity growth and opportunity costs.

Deposit Ladder Calculator

Explore how different deposit sizes can affect borrowing needs, monthly repayments and access to better mortgage deals.

Equity & LTV Calculator

Calculate your home equity and loan-to-value ratio to better understand remortgage options, borrowing position and ownership progress.

Buy to Let Calculator

Estimate the potential returns and costs of a buy-to-let property, including mortgage payments, rental income and headline profit figures.

Rent Increase Calculator

See how a rent increase changes your monthly and annual housing costs and compare the impact of different percentage or fixed rises.

Moving House Cost Estimator

Estimate the likely cost of moving home, including legal fees, removals, surveys, mortgage costs and other common one-off expenses.