No. 06 · Free · No signup
Mortgage Calculator
See your monthly repayment, loan-to-value and total interest for a residential or commercial mortgage. Move the sliders below — everything updates instantly.
- 01Enter the purchase price and your deposit — the loan amount and LTV update automatically.
- 02Check the interest rate. It's auto-set from your LTV — overwrite it if you've had a real quote.
- 03Switch between Repayment and Interest-only to compare monthly cost and total interest.
- 04Download a PDF summary to keep, print or share with your lender or accountant.
Property price
£50k – £2m
Deposit
10%
15%
20%
25%
40%
Term
5 – 40 years
Interest rate
Auto-set from your LTV — drag or type to match a real quote
Monthly repayment
£1,362/month
LTV 80%
Loan amount
£224,000
Total interest
£184,648
Total repaid
£408,648
Loan vs. interest, over the full term
Principal £224,000
Interest £184,648
Balance remaining over time
How much you'd still owe, year by year.
Saves today's figures as a one-page PDF.
● Example figures — drag the sliders to try your own
Want a second opinion on the numbers?
A calculator gets you close. Rule 29 can help you work out what you can really afford, and what it means for the rest of the business.