Home Loan Comparison Calculator UK
Compare two mortgage deals side-by-side. Enter the amount, annual interest rate and term for each loan to see monthly payments and total repayment.
How It Works
We calculate each loan’s monthly payment using:
M = P × r × (1 + r)n / ((1 + r)n − 1),
where P=loan amount, r=monthly rate (APR/12/100), n=number of payments (years×12).
Compare both monthly outlays and total cost (monthly×n) to choose the best deal.
Choosing Your Rate
Fixed rates provide certainty; trackers may start lower but can rise. Read our Fixed vs Tracker Mortgages Guide.
Impact of Term
Shorter terms save interest but increase monthly payments. See our Mortgage Term Decisions Guide.
Fees & Charges
Don’t forget arrangement, valuation and exit fees; these can affect your overall cost. Learn more in our Mortgage Fees Explained.
Key Values
| Entity | Attribute | Value |
|---|---|---|
| Loan | Amount | £ |
| Loan | Interest rate | % APR |
| Loan | Term | Years |
| Loan | Monthly payment | £ |
| Loan | Total repayment | £ |
Frequently Asked Questions
How do you calculate monthly payments?
We use the annuity formula: M = P·r·(1+r)n / ((1+r)n−1).
What rate should I enter?
Enter the APR you expect based on lender offers for each deal.
Does this include fees?
No—this shows interest and capital repayment only. Add fees separately.
Why does term matter?
Longer terms lower monthly payments but increase total interest paid.
