Plan your mortgage with greater clarity.
Estimate your monthly mortgage repayments, understand the effect of interest and mortgage term, and explore how different borrowing scenarios could fit within your plans.
Plan before you borrow
See how your mortgage amount, interest rate and term can influence estimated monthly repayments.
See what your mortgage could cost each month.
Enter your mortgage amount, interest rate and repayment term to create a simple estimate of your monthly repayment and the total cost over the mortgage term.
Your mortgage details
Adjust the figures to compare different scenarios.This calculator provides an illustration only and does not confirm mortgage eligibility or represent an offer of credit.
Change the rate or mortgage term to compare different repayment scenarios.
See how borrowing more or less can affect your estimated monthly repayment.
Explore how different repayment periods can change monthly costs and total interest.
Use the estimate alongside your wider household budget rather than relying on one number alone.
See how the numbers can change.
Your mortgage repayment depends mainly on the amount borrowed, interest rate and repayment term. Changing any of these figures can affect your monthly payment and overall borrowing cost.
A mortgage calculator is a starting point, not a lending decision.
Use an estimate to understand potential repayments before comparing mortgage options or speaking with a lender. Actual payments can vary depending on the product, fees, interest rate, term and your circumstances.
The monthly payment is only part of the picture.
Over the full mortgage term, repayments include both the amount borrowed and interest charged by the lender. Looking at both can help you compare scenarios more thoughtfully.
Different mortgage types can work differently.
The interest rate structure and repayment approach can affect how your payments change over time. Understanding the main mortgage types can make comparison easier.
Fixed-Rate Mortgage
Your interest rate is fixed for an agreed introductory period, providing greater payment certainty during that time.
Explore fixed-rate mortgages →Tracker Mortgage
The interest rate usually moves in relation to another reference rate, meaning payments can change over time.
Explore tracker mortgages →Variable-Rate Mortgage
The interest rate can change according to the terms of the mortgage product and lender pricing.
Explore variable mortgages →Discount Mortgage
A discount mortgage typically offers a reduction against a lender's standard variable rate for a set period.
Explore discount mortgages →Interest-Only Mortgage
Monthly payments cover the interest rather than reducing the mortgage balance during the agreed period.
Explore interest-only mortgages →Buy-to-Let Mortgage
A mortgage designed for purchasing a property intended to be rented to tenants, subject to lender criteria.
Explore buy-to-let mortgages →
Build a mortgage budget that leaves room for real life.
A comfortable mortgage budget should consider more than the repayment shown by a calculator. Think about household spending, future plans, emergency savings and other costs connected with owning a home.
More practical mortgage guides from GrowthSmartly.
Explore recent articles covering mortgages, home buying, affordability and other personal finance topics.
Mortgage Calculator FAQs
Answers to common questions about mortgage repayments, interest, terms and calculator estimates.
Understand your repayments before making your next move.
Use the calculator to explore different mortgage scenarios and build a clearer picture of your potential monthly costs.