UK Mortgage Calculator 2026/27

Calculate monthly mortgage payments, total interest payable and affordability.

Monthly Payment
£0.00
Repayment mortgage
Total Interest
£0.00
Total Repayable
£0.00
LTV Ratio
80%
Adjust the inputs to calculate your mortgage.
Principal vs Interest Over Term
What if I increase my deposit?

Monthly Mortgage Repayments · Quick Reference 2026

Repayment mortgage · UK · Estimated monthly payments at common loan amounts and interest rates. Use the calculator above for your exact figures.

Mortgage Amount 4.0% (25yr) 4.5% (25yr) 5.0% (25yr) 5.5% (25yr) Total Interest @ 4.5%
£150,000£791£834£877£921£100,200
£200,000£1,055£1,112£1,169£1,228£133,600
£250,000£1,319£1,390£1,461£1,535£167,000
£300,000£1,583£1,667£1,754£1,842£200,100
£350,000£1,847£1,945£2,046£2,149£233,500
£400,000£2,111£2,223£2,338£2,456£266,900
£500,000£2,638£2,779£2,923£3,070£333,700

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Mortgage Calculator FAQs

What is the monthly payment on a £200,000 mortgage UK?
On a £200,000 repayment mortgage at 4.5% over 25 years, monthly payments are approximately £1,112. At 5% the payment rises to £1,169. Use the calculator above to model your exact rate and term.
What is the monthly payment on a £300,000 mortgage UK?
On a £300,000 repayment mortgage at 4.5% over 25 years, monthly payments are approximately £1,667. At 5%, £1,754 per month. The total interest paid over 25 years at 4.5% would be around £200,100.
How much mortgage can I get on a £40,000 salary?
Most UK lenders will offer 4 to 4.5 times your annual salary. On a £40,000 salary, that is typically £160,000–£180,000. Joint applications allow lenders to combine both salaries.
What is the difference between repayment and interest-only mortgage?
A repayment mortgage reduces your debt every month · at the end of the term you own the property outright. An interest-only mortgage keeps payments lower but the original loan balance remains at the end, requiring a repayment strategy.
How much deposit do I need to buy a house UK 2026?
The minimum deposit is 5% of the property price (95% LTV). However, a 10% deposit gives significantly better rates. A 25% deposit (75% LTV) typically unlocks the most competitive mortgage deals.

For informational purposes only · Not financial advice · Rates are illustrative only