What happens at the end of an interest-only mortgage term?

An interest-only mortgage is structured so that, at the end of the agreed term, you repay the original loan amount (the “capital”) in full. That means the end date is often the moment when the plan for repaying the capital becomes the main focus.

As the deadline approaches, your lender will typically review the mortgage and expect a clear repayment outcome. You may be able to request a redemption statement, which shows the amount required to clear the mortgage at a specific date.

This guide covers interest-only mortgages specifically. For related reading:

What happens when your mortgage term ends?, for repayment mortgages or borrowing against an unencumbered home

Your message

Your Name

Your Email

Your Phone Number

Please provide either an email address or a phone number so we can reply. Name and message are optional.

What happens at the end of an interest-only mortgage

How interest-only mortgages work

With an interest-only mortgage, you typically pay:

Interest each month
No reduction to the original loan balance

That means the amount you borrowed remains broadly the same throughout the mortgage term. When the mortgage reaches maturity, the lender expects the outstanding balance to be repaid.

Why the end of term can catch people out

A common issue is that the end-of-term repayment has been left too late, or the plan assumed would generate the capital didn’t materialise as expected.

Common reasons borrowers find themselves underprepared include:

Uncertainty about the repayment vehicle (for example, where the capital was expected to come from)
Savings or investment performance not matching expectations
Life changes affecting affordability and ability to save
Delays in engaging with the lender once the end date becomes close

The Financial Conduct Authority (FCA) has highlighted the importance of engagement around interest-only repayment options as more borrowers reach the end of their terms.

Start with the facts: where you are now

Before deciding what to do, gather the information that will shape your choices:

Your mortgage maturity date and whether any flexibility exists in your current contract.
The outstanding capital you need to repay at maturity.
Your current interest rate and how your payments are calculated.
What you planned to use to repay the capital (e.g., savings, investments, sale proceeds, inheritance).
How much you realistically expect to have at maturity and whether there may be a shortfall.

If you’re unsure about any of the above, ask your lender for a statement showing the expected position at maturity.

The key question: how will the capital be repaid?

When an interest-only deal matures, lenders generally want to know that the capital will be repaid by the end date. For some borrowers, the original repayment strategy is still working. For others, circumstances may have changed.

Your options usually fall into a few broad routes.

Option 1: Redeem the mortgage using your original repayment plan

Many interest-only mortgages were taken out alongside a repayment vehicle, such as a pension, endowment, investment portfolio, or planned sale of another asset.

If the funds are available when needed, you can redeem the mortgage and take ownership of the property outright.

If the repayment vehicle is not expected to deliver the required capital in time, it’s usually better to explore alternatives early rather than waiting until the last moment.

Use pension savings

Some borrowers consider using pension savings to repay the mortgage.

This can be effective, but it’s important to think about the longer-term impact, such as:

Reduced retirement income
Potential tax implications depending on how funds are accessed
Whether alternative assets could be used instead

Because pensions are complex, it’s usually sensible to take a structured view of retirement needs before making decisions.

Option 2: Sell the property to repay the mortgage

If the property can be sold for enough to clear the outstanding balance, sale proceeds can be used to redeem the mortgage.

This route can be practical where you’re comfortable downsizing, relocating, or where the property value may have changed since the mortgage began. It also depends on having enough time for the sale process and for the lender’s redemption requirements to be met.

Option 3: Use other assets or savings to repay the capital

Where you have additional savings, investments, or another property, you may be able to use those resources to clear the mortgage.

The main considerations are whether the capital is accessible within the timescales involved and how any withdrawals or sales affect your overall financial position.

Option 4: Remortgage to a new structure

If you can’t (or don’t want to) repay the capital in full at the end of the interest-only term, remortgaging is often the next step.

A remortgage may involve:

Switching to capital repayment (so the balance reduces over time)
Continuing on an interest-only basis (where available and suitable)
Changing to a different product type that better matches your circumstances

Lenders will assess affordability and the overall repayment approach. That typically includes your income and outgoings, credit history, the property, and how the capital will be repaid by the end of the new term.

For a step-by-step guide to the remortgage process on an interest-only basis, see how to remortgage on an interest-only deal.

Checking your credit report before you apply gives you the chance to spot and correct anything out of date.

Illustrative interest-only remortgage rates are shown below. The deals available to you will depend on your affordability, age, and repayment plan.

Lowest Rate Interest-Only Remortgage

View more Interest-Only Remortgage offers

Option 5: Switch to capital repayment

For some borrowers, moving from interest-only to a repayment mortgage can help because part of the loan is paid off each month.

This can reduce the risk of a large lump-sum repayment at a future date, particularly where the original repayment vehicle is uncertain or no longer on track.

The trade-off is that monthly payments are usually higher than they were on the interest-only arrangement.

Option 6: Extend your mortgage term

If you’re not ready to repay the capital yet, extending the term can give you more time to:

sell the property
grow savings or investments
use other sources of funds

What to consider

Extending the term may not reduce what you owe, but it can improve your timing.
You may still need a credible plan for the eventual repayment of the capital.
Any change to the term can affect the overall cost of the mortgage.

Option 7: Retirement-focused interest-only alternatives

As interest-only mortgages mature, some lenders offer specialist options intended for borrowers closer to retirement. These products are designed around later-stage repayment events, but they come with specific features and constraints.

A retirement interest-only mortgage is structured so that the lender receives the capital when a qualifying event occurs, such as:

the property is sold
the borrower dies
the borrower moves into long-term care

The monthly payment is typically designed to cover the interest.

Where retirement-focused options are considered, it’s important to understand:

how and when the capital is repaid
what happens to the property in the long term
how the arrangement could affect estate planning
any potential impact on benefits or other financial circumstances

For a wider view of later-life routes, see Repaying your mortgage in retirement: what are your options?.

Option 8: Use equity release to help clear the mortgage

In some cases, homeowners explore equity release to raise funds to repay an existing interest-only mortgage. This may be relevant where other routes are not suitable and where the property has sufficient value.

Equity release is a major financial decision and can affect what happens to the property in the future. It’s also important to consider long-term implications for inheritance, housing costs, and eligibility for means-tested benefits.

What happens if you can’t repay the lump sum?

If the mortgage matures and the outstanding balance can’t be repaid, the lender will need to consider next steps. In the worst case, this can lead to serious consequences for the property.

Even if you’re not in immediate difficulty, the closer you get to maturity, the fewer alternatives may feel available.

Overpayments on an interest-only mortgage: what changes (and what doesn’t)

Overpaying on an interest-only mortgage can be confusing because the mortgage balance may not reduce automatically in the same way it would on a repayment mortgage.

Some mortgages allow overpayments up to a limit each year without early repayment charges, while others may restrict how and when you can overpay.

In many cases:

overpayments may reduce future interest costs
the outstanding loan balance may only reduce if the overpayment is specifically applied to capital

If you’re considering overpayments, it’s worth clarifying with your lender how they treat the extra payments and whether they help reduce the capital due at the end of the term. Check your mortgage terms for overpayment limits and any early repayment charges.

Why timing matters

As the end date gets closer, options can become more limited, particularly if you need to rely on a sale, a repayment vehicle maturing, or a remortgage completion.

Planning earlier can help you:

obtain the information you need (such as a redemption statement)
understand whether an extension or remortgage is feasible
compare switching to repayment versus continuing interest-only
explore specialist or later-stage repayment routes where relevant

The most common problem with interest-only end dates is not that repayment is impossible. It’s that the plan is incomplete or untested. By reviewing your position early and considering multiple repayment routes, you can reduce the risk of being forced into a difficult outcome when the term ends.

How a mortgage adviser can help

Interest-only end dates often involve multiple moving parts: the lender’s redemption requirements, the status of the original repayment strategy, and the practical differences between extending, remortgaging, switching repayment type, selling, or using specialist later-stage repayment options.

A mortgage adviser can help you map out realistic routes based on your circumstances, explain the practical implications of each option, and support you in preparing the information lenders typically need, so you’re not left trying to make decisions at the last minute.

59+ lenders

The row shows residential mortgage lenders generally; interest-only availability varies by lender and case.

Related guides

Useful guidance:

MoneyHelper (general mortgage and debt guidance): https://www.moneyhelper.org.uk/en/money-troubles/debt/mortgage-arrears-and-missed-payments
FCA (consumer information): https://www.fca.org.uk/consumers