Equity Release: The Balance That Grows While You Sleep

If you have taken equity release and want to know what will be left for your children when you die, the honest answer is that it depends on two things pulling in opposite directions, and neither is fixed. On one side, the debt grows — a typical lifetime mortgage adds interest to the balance each year and charges the next year's interest on the larger amount, so it climbs on a curve rather than a straight line. On the other side, the house does whatever the property market does, which is not guaranteed to keep pace. What your children inherit is whatever gap remains between the two.

So there is no single number, and anyone who gives you one without knowing your rate, your age and your local property market is guessing. But the shape of it is predictable enough to plan around, and that is what matters. The longer the plan runs, the more the compounding debt eats into the value of the house, and the smaller your children's remaining share tends to become. Living a long time, which is otherwise the best possible outcome, is the thing that most reduces what you leave behind.

This page sets out how roll-up interest actually behaves, what the house is realistically doing in the background, the guarantee that stops your family ever owing more than the property is worth, and where life cover can preserve a legacy the loan would otherwise consume. For the broader picture of what a family ends up with, our companion guide on how much is left for the family after equity release sits alongside this one.

The short answer: a growing debt against a house that moves on its own

The reason equity release affects your children's inheritance so much is that it introduces a debt that does the opposite of a normal mortgage. A repayment mortgage shrinks: you pay it down, and the share of the house that is truly yours grows. A lifetime mortgage taken on a roll-up basis does the reverse — you usually make no monthly payments, so nothing reduces the balance, and the interest is added on top instead. Every year the amount owed is larger, and every year the interest is calculated on that larger amount.

Against that, the house is not standing still either, but it is not under anyone's control. Some years property values rise, some years they fall, and the long-run direction in your area may be quite different from the national headline. The equity your children inherit is simply the sale price minus the loan when the plan ends. Because the loan side is relentless and the house side is uncertain, the balance of the two shifts steadily in the loan's favour the longer the arrangement runs. That is the whole mechanism, and everything else on this page is detail hung on it.

How roll-up interest actually compounds

The single most important thing to understand is that roll-up interest does not add up in a straight line, and intuition badly underestimates it. If the debt grew by the same fixed amount each year, it would be easy to picture. It does not. Because each year's interest is charged on a balance that already includes all the previous years' interest, the amount added grows every year. The curve starts gently and steepens, so the debt in the second half of a long plan grows far faster than in the first half.

The practical way to feel this is the idea of doubling. A balance left to roll up will, given enough time, double — and then, given the same time again, double once more, because compounding feeds on itself. The first doubling feels slow and survivable; the second is the one that surprises families, because it happens on a balance that was already large. This is why two identical plans can leave wildly different amounts for children: not because the interest rates differed much, but because one person lived many years longer and gave the curve time to steepen.

You do not have to take an illustrative rate from anyone, including this page — your own rate is the one that matters, and it is written on your paperwork. Lifetime mortgages taken through an Equity Release Council member firm carry a rate that is fixed for the life of the loan, or if variable is capped, so the figure on your original offer and key facts illustration is the number to work from. Take that fixed rate, apply it to your balance year on year in a spreadsheet, and you can see your own curve rather than a made-up one. That is the honest version of a "lifetime mortgage compound interest example": your rate, your balance, your ages.

What the house is doing in the meantime

The other half of the sum is the property, and here you should resist both optimism and despair. House prices in the UK have risen substantially over the long run, but not smoothly, not every year, and not equally across regions and property types. There have been extended periods of flat or falling prices, and a house that grows strongly over one decade can stall over the next. Betting that growth will comfortably outrun a compounding loan is exactly the assumption that leaves children with less than expected.

Rather than rely on a figure, look at the actual record for your area. The authoritative source is the UK House Price Index, which tracks prices by region and property type and lets you see how homes like yours have actually moved.

Source: HM Land Registry, UK House Price Index, published on GOV.UK under the Open Government Licence v3.0. You can explore it at GOV.UK.

The reason this matters for the question "does equity release affect my children's inheritance" is that the answer is really a race. If the house grows faster than the loan compounds, some equity survives; if the loan compounds faster than the house grows, the equity is eaten. Over a short plan the house often wins; over a long one the compounding loan frequently pulls ahead. Nobody knows in advance how long the plan will run, which is precisely why the outcome is uncertain and why families who want to protect a legacy do not leave it to that race alone.

The guarantee that protects your family, and its limit

There is a genuine protection built into these products, and it is worth understanding properly because it is often misunderstood in both directions. Plans arranged through a member of the Equity Release Council carry a no-negative-equity guarantee. This means that when the property is sold, the amount repaid is capped at the sale proceeds. If the debt has grown larger than the house is worth, the shortfall is written off, and your children cannot be pursued for the difference. They will never inherit a debt.

That is real reassurance, and it removes the worst-case fear that families sometimes carry — that a runaway loan could leave the next generation owing money. It cannot. But notice exactly what the guarantee does and does not do. It protects your children from owing anything; it does not protect the inheritance itself. A plan where the debt has grown to swallow the entire value of the house leaves your family with nothing to inherit, even though it also leaves them with nothing to repay. "You will not owe more than the house is worth" and "there will be something left for you" are two very different promises, and only the first is guaranteed.

When the loan falls due, and the clock your children face

A lifetime mortgage does not run forever. It becomes repayable when the last borrower dies or moves permanently into long-term care. At that point the loan, with all its rolled-up interest, has to be settled, and settling it almost always means selling the house — unless the family can find the money another way.

This is where a second pressure appears that people rarely anticipate: time. Lenders typically allow the estate a limited period, often around a year, to repay the loan or sell the property, after which further interest and complications can follow. That puts grieving children on a clock. They may want to keep the family home, or simply sell it in their own time to get a fair price, but the loan's repayment date does not wait for a good market or a settled family. The question "can my children keep the house after equity release" almost always comes down to one thing: can they lay their hands on enough money, quickly enough, to repay the loan and stop the sale.

That, in turn, is a question about liquidity rather than sentiment. A family that inherits an illiquid asset and a due debt is in a weak position; a family that also inherits ready cash is in a strong one. Money that arrives fast and free of the estate's delays is what turns "we had to sell it" into "we kept it".

Preserving a legacy the loan would otherwise eat

This is where life cover does specific, useful work. If your reason for worrying about equity release is that you wanted to leave your children something, a whole of life policy written in trust can rebuild exactly the legacy the compounding interest absorbs. Whole of life cover has no expiry date, so it is designed to pay out whenever you die, which fits a debt that only ends when you do. Written in trust, the payout goes straight to your children, quickly and outside the estate, without waiting for probate.

Used that way, the money can do one of two jobs. It can be used to repay the lifetime mortgage so your children keep the house, converting a forced sale into a genuine choice. Or, if they would rather sell, it simply replaces the inheritance the loan consumed, so the equity release funded your later years without disinheriting the next generation. Either way, the point is to have cash available at the moment the loan falls due. Whether this is worthwhile depends on your circumstances, and it is a conversation for an FCA-authorised broker who can look at your age, health, plan and intentions; you can get life insurance quotes as a starting point. Getting a whole of life policy set up in trust correctly is what makes the money reach your children cleanly, so it is worth arranging deliberately.

It is worth being clear-eyed about the bigger picture too. Many people take equity release specifically to help their family while they are alive — a deposit, childcare, a hand up now rather than an inheritance later — which is a legitimate choice, though it is a different question from what is left at the end. If you are giving that kind of help, it is worth knowing what happens to it if you die, as with grandparents who pay for childcare. And if your estate is complicated by a second marriage or by wanting particular children to benefit, the legacy can be reshaped by others after you are gone, which is the risk behind whether a surviving spouse can rewrite their will and cut out your children. Larger lifetime gifts also start a seven-year clock for inheritance tax, the mechanics of which we set out in the seven-year clock on gifted money. These decisions sit together, and you can see how in our guide to life events that change who depends on you.

Scotland and Northern Ireland

Lifetime mortgages are regulated across the whole UK by the Financial Conduct Authority, and the no-negative-equity guarantee offered by Equity Release Council members applies wherever you live, so the core mechanics on this page hold throughout. What differs is the surrounding property and succession law. In Scotland the security over your home is a standard security rather than an English-style mortgage, conveyancing is handled differently, and the property is registered with Registers of Scotland.

Succession law matters more here than people expect. Scotland gives children and a surviving spouse or civil partner fixed legal rights over part of the deceased's moveable estate, which cannot be defeated by a will — though these apply to moveable property such as money and investments rather than to the house itself, and a lifetime mortgage reduces the net estate available in any event. Northern Ireland has its own land registration and intestacy framework, again distinct from England and Wales. None of these differences changes how the roll-up interest behaves; they change who is entitled to what remains, which is a further reason to take local advice when you plan around a lifetime mortgage.

Frequently asked questions

Will equity release leave my children with nothing?

Not usually, but it depends on how long you live and how the property performs. A lifetime mortgage rolls up interest, so the debt grows every year while the house may or may not keep pace. The longer the plan runs, the smaller the remaining share becomes, and over a long enough period the interest can absorb most or all of the value.

Could my family end up owing more than the house is worth?

Not with a plan from an Equity Release Council member. Those carry a no-negative-equity guarantee, so the amount repaid is capped at the sale proceeds and any shortfall is written off. Your family cannot be pursued for the difference — but that protects them from owing anything, not from inheriting little, so there may still be nothing left over.

Can my children repay the loan and keep the house?

Yes, if they can raise the money. The loan falls due when the last borrower dies or moves permanently into care, and families are usually given a limited period to sell or repay. Money that arrives quickly, such as a whole of life policy held in trust, is what makes keeping the house possible rather than being forced into a sale.