Financial Calculators

Mortgage Calculator UK

Price a UK mortgage in pounds on either a repayment or interest-only basis, with stamp duty context.

Every figure below is labelled in the currency you pick. Amounts are not converted — enter values in the same currency.

£
£
%
years
Monthly payment
—

How to use the Mortgage Calculator UK

  1. Fill in each field with your own figures — the defaults are only there as an example.
  2. The result updates as you type, so there is no button to press.
  3. Check the breakdown under the main result for the supporting numbers.
  4. Use the copy button to take the result with you, or share the link to reload the same inputs.

Mortgage Calculator UK — frequently asked questions

Is this mortgage calculator uk free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

How accurate is the result?

The maths is exact for the formula shown on the page. Accuracy in the real world depends on your inputs and on assumptions the formula cannot see, so treat the output as a well-grounded estimate rather than a quote.

Can I use it on my phone?

Yes. The page is responsive, weighs a few kilobytes and works offline once loaded, so it behaves the same on a phone as on a desktop.

Focused versions of this calculator

Each of these does one specific job with its own defaults and explanation.

What people search for

This page answers each of these searches. They are the exact phrases visitors use to find the mortgage calculator uk.

  • stamp duty calculator
  • stamp duty rates
  • stamp duty
  • stamp duty calculator 2022
  • uk stamp duty calculator

About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error