Interest-Only Mortgage Ending and Can’t Repay? Your Options Explained
Your lender cannot demand repayment before your mortgage term officially ends, and cannot repossess your home simply because you can’t repay in full on the maturity date. Around 90% of borrowers who don’t repay immediately still redeem their mortgage in full within three months, usually without any formal intervention. The single most important step is contacting your lender early — before the term ends, not after.
If your interest-only mortgage term is coming to an end and you don't have the money to repay the capital, you're not alone — and it's rarely as urgent as it first feels, provided you act early. This guide walks through exactly what happens at maturity, what your lender is required to do, and the realistic options available, so you can approach the situation calmly and with a plan.
What Actually Happens When the Term Ends
An interest-only mortgage means your monthly payments have only ever covered the interest — the original capital you borrowed is still owed in full at the end of the term. If you reach that date without a way to repay it, here's what happens in practice, not in theory:
Your lender cannot ask for the money back until the mortgage term has actually ended — they can't accelerate repayment early.
You won't be repossessed simply for reaching maturity without funds. Lenders are required to work with you on a plan.
If you go quiet and don't respond to contact attempts, that's when things escalate — engagement is the single biggest factor in how smoothly this goes.
Lenders are required to treat customers in this position fairly, and regulatory reviews have consistently found that most lenders do offer a genuine range of options rather than moving straight to repossession. The main risk isn't the missed capital repayment itself — it's failing to engage with your lender about it.
Contact Your Lender Before the Term Ends
Ideally, this conversation happens 1-2 years before maturity, not after. Lenders are far more flexible when there's still time to plan than when the deadline has already passed. If you're already past the maturity date, contact them immediately regardless — it's still far better than staying silent.
What to have ready before you call:
Your mortgage account details and current outstanding balance
A realistic picture of your income, savings, and any other assets
Any existing repayment vehicle you were relying on (an endowment policy, ISA, pension lump sum) and its current expected value
Under current temporary payment support rules, lenders can also let you make reduced payments — including paying interest-only or even a temporary payment pause — for up to 6 months without needing a full affordability assessment, giving you breathing room to arrange a longer-term solution.
Your Realistic Options
Once you've spoken to your lender, these are the paths most commonly available — which one fits depends on your age, equity, and income:
Extend the mortgage term — the most common first step. This buys time without changing the fundamental structure, though the capital is still owed eventually.
Switch to a repayment mortgage — monthly payments increase since you're now paying down capital too, but the balance actually reduces over time rather than staying static.
Part-and-part mortgage — split the loan between interest-only and repayment, lowering the jump in monthly cost compared to switching fully.
Downsize — sell the property, repay the mortgage from the proceeds, and move to a smaller or lower-value home. Often the cleanest solution if the numbers work.
Equity release — if you're 55 or over, this can repay the outstanding interest-only balance without needing to move, though it comes with the long-term cost trade-offs.
Use other assets — pension lump sums, ISAs, savings, or the sale of a second property, if realistically available.
Remortgage onto a new interest-only deal — possible if you still meet lender criteria, though not guaranteed and shouldn't be relied on as your only plan.
If none of these are viable and you don't engage with your lender at all, the realistic worst case is eventually facing repossession proceedings — but this is a last resort after other options have been exhausted, not an automatic consequence of reaching the maturity date.
If You Relied on an Endowment Policy
Many older interest-only mortgages, particularly those taken out in the 1990s, were paired with an endowment policy designed to grow and repay the capital at term end. If that policy underperformed — a common outcome, since many endowments fell well short of their projected values — you may be left with a shortfall between what the policy pays out and what you still owe.
If this applies to you, it's worth checking whether you received a "red letter" warning from your insurer in previous years flagging a projected shortfall, and whether any mis-selling complaint was raised at the time. Even if that window has passed, understanding the shortfall size early gives you more time to plan one of the repayment routes above.
Getting the Right Advice
This isn't a situation to navigate alone if you can avoid it. A whole-of-market mortgage adviser can assess whether a term extension, remortgage, or switch to repayment is realistically available to you given your age and income — lenders increasingly assess exit strategies strictly, so getting professional input before approaching your lender can strengthen your position.
If equity release looks like it might be part of the answer, it's worth reading our full guide on how equity release works before deciding, since it's a long-term commitment with real costs to weigh against the alternative options.
Downsizing is often the most financially straightforward route if you're open to moving — our downsizing guide covers the practical costs and process in detail.
Related Reading
Equity Release Explained: How It Works, What It Costs
Downsizing Explained: Costs, Timing, and How Much You Could Release
Retirement Interest-Only Mortgages Explained
Not sure which option fits your circumstances?