Interest-only mortgage

See the cost of interest-only payments and capital outstanding.

Check an interest-only repayment plan

Illustrative

Mortgage balance

Interest rate

Mortgage term

Product fees added to balance

Repayment-vehicle value today

Monthly vehicle contribution

Assumed annual growth

Capital-repayment share

Set capital-repayment share above 0% for a part-and-part mortgage. The rest remains interest only.

The repayment-vehicle projection assumes contributions are made at the end of each month. The vehicle remains separate from the mortgage until the term ends.

Capital still due at term end

£250,000

Monthly mortgage payment£938

Projected vehicle£181,377

Shortfall£68,623

The plan is short by £68,623.You would need about £433 per month at the assumed growth rate, or 5.94% annual growth at the current contribution.

Important: interest-only payments do not repay the interest-only capital. You need a credible repayment plan and should contact your lender if it is not on track.

Assumptions and limits⌄

Investment growth is assumed and not guaranteed. Fees, tax and actual investment performance may differ. Lender acceptance and affordability checks are outside this calculator's scope.

Mortgage and repayment-plan comparison

Monthly commitment

Item	Amount
Interest-only mortgage payment	£938
Vehicle contribution	£300
Combined monthly commitment	£1,238
Equivalent full repayment mortgage	£1,390