Remortgaging to release equity means taking out a new, larger mortgage on your home and receiving the additional amount as tax-free cash. It’s one of the most common reasons UK homeowners remortgage and, when appropriate, can provide a way to fund home improvements, consolidate certain debts or meet another significant expense without relying on more expensive forms of borrowing.
But it isn’t right for everyone, and how much you can actually release depends on your home’s value, your remaining mortgage, and what the lender is willing to offer. This guide walks you through exactly how it works, how to work out how much equity you have, and the seven steps to releasing it, along with the risks worth weighing up first.
What does “releasing equity” through a remortgage mean?
Equity is the share of your home you actually own outright: the current market value minus whatever is left on your mortgage. As you pay your mortgage down and (usually) as your property rises in value, your equity grows.
When you remortgage to release equity, you replace your existing mortgage with a bigger one. You use part of the new loan to pay off the old mortgage, and the extra amount is paid to you as a lump sum. Your mortgage balance goes up, and so, in most cases, do your monthly payments.
It’s worth clearing up one common confusion straight away. Remortgaging to release equity is not the same as an “equity release” product. Equity release usually refers to lifetime mortgages or home reversion plans designed for homeowners aged 55 and over, with no monthly repayments and the debt repaid when you sell or pass away. Remortgaging to release equity is a standard residential mortgage: you make monthly repayments as normal, and it’s available at any age, subject to the usual lending and affordability checks.
How lenders work out how much equity you can release
You can’t usually release every penny of your equity. Lenders cap how much you can borrow against your home using loan-to-value (LTV), which is your total mortgage as a percentage of the property’s value. For residential remortgages, many lenders will consider lending up to around 85–90% LTV, though the exact ceiling depends on the lender, your circumstances, and the property.
Here’s a simplified, illustrative example:
| Amount | |
| Current value of your home | £400,000 |
| Outstanding mortgage balance | £220,000 |
| Total equity in the property | £180,000 |
| Maximum borrowing at 85% LTV | £340,000 |
| Potential equity you could release | up to £120,000 |
In this example, you have £180,000 of equity, but you couldn’t release all of it. If the lender’s ceiling is 85% LTV, your total mortgage can go up to £340,000, with £220,000 of that clearing the existing loan, leaving up to £120,000 potentially available for release.
Two important caveats. First, these figures are for illustration only; your own maximum will depend on the lender and your situation. Second, borrowing more still has to be affordable: the lender will assess your income and outgoings to check you can comfortably manage the larger mortgage, so the amount you could release on paper isn’t always the amount you’ll be offered.
How to remortgage to release equity, step by step
Step 1: Find out how much equity you have
Get a realistic idea of your home’s current value (recent sold prices for similar properties nearby are a good starting point) and check your latest mortgage statement for the exact balance owed. The difference is your equity. This gives you a rough idea of what you have to work with before any LTV limits are applied.
Step 2: Check your current deal’s early repayment charge and end date
If you’re still inside a fixed or discounted term, leaving early often triggers an early repayment charge (ERC), typically a percentage of your outstanding balance, which can run into thousands of pounds. Find the ERC amount and your deal’s end date on your mortgage paperwork. Sometimes it’s worth waiting until your current deal ends; sometimes the benefit of releasing equity now outweighs the charge. This is one of the first things an adviser will help you weigh up.
Step 3: Decide what you need the money for, and how much
Be specific. Releasing £30,000 for a defined project is a very different decision from releasing the maximum available “just in case.” Borrowing more than you need means paying interest on money sitting idle, so pin down the actual figure. Your reason also matters because some lenders restrict how released equity can be used.
Step 4: Check the larger mortgage is affordable
Because you’re increasing what you owe, the lender re-assesses affordability against your income and outgoings, just as they would on a new mortgage. Spreading the extra borrowing over a longer term can lower the monthly cost, but it usually means paying more interest overall. It’s worth looking at both the monthly payment and the total cost over the life of the loan.
Step 5: Compare the whole market, not just your current lender
Your existing lender may offer to lend you more through a further advance or a product transfer, and that can be convenient. But it’s rarely guaranteed to be the best-value option. A whole-of-market remortgage lets you compare deals across 90+ lenders and providers, which can make a meaningful difference to your rate and to how much you’re able to release. This is where independent advice earns its keep.
Step 6: Apply, with a valuation and underwriting
Once you’ve chosen a deal, you submit a full application. The lender arranges a valuation of your property to confirm its current worth (which directly affects your LTV and how much you can release) and underwrites the application by reviewing your income, credit history, and documents. If the valuation comes in lower than expected, the amount you can release may be reduced.
Step 7: Legal work and completion
A solicitor or conveyancer handles the legal work involved in replacing your existing mortgage with the new one. On completion, your previous mortgage is paid off, your new mortgage begins, and the released equity is transferred to you. From start to finish, a remortgage typically takes around 4–8 weeks, though this can vary.
What people use released equity for
- Home improvements. Funding an extension, a loft conversion, or a renovation is one of the most popular uses, especially where the work could add value back to the property.
- A deposit for a second property. Some homeowners release equity to put down a deposit on a holiday home or a buy-to-let investment.
- Debt consolidation. Using additional mortgage borrowing to repay higher-interest debts can reduce your monthly outgoings, but it comes with an important warning (see below).
- Other major costs. Helping a child onto the property ladder, funding education, or covering a significant one-off expense.
A note on debt consolidation: Using your mortgage to repay unsecured debts, such as credit cards or loans, means securing that borrowing against your home. Spreading it over a much longer term can mean paying significantly more interest overall, even if your monthly payment falls. It can be the right move in some situations and the wrong one in others, so it’s worth taking advice before going down this route.
The risks and things to weigh up
Releasing equity increases the amount you owe and, in most cases, your monthly payments, so it deserves careful thought. Before you commit, consider:
- You’re borrowing against your home. Your property is the security for the loan. Your home may be repossessed if you do not keep up repayments on a mortgage secured against it.
- You’ll have less equity. Releasing equity reduces the cushion you have if property values fall, and less equity may mean a higher LTV and a less competitive rate.
- Longer terms cost more. Stretching the extra borrowing over a longer period lowers the monthly payment but usually increases the total interest paid.
- ERCs and fees. Early repayment charges, valuation fees, and legal costs all affect whether releasing equity now makes financial sense.
- Approval isn’t guaranteed. How much you can release depends on the lender’s criteria, the valuation, and affordability, none of which are certain until you apply.
Frequently asked questions
Is the money I release tax-free? Yes, cash released from a remortgage is not treated as income, so there’s no income tax to pay on it. What you use it for could have tax implications (for example, buying a second property), so it’s worth checking your specific plans.
How much equity can I release? It depends on your property’s value, your outstanding balance, the lender’s maximum LTV, and whether the larger mortgage is affordable for you. Many residential lenders consider up to around 85–90% LTV, but your own figure could be higher or lower.
Can I release equity if I’m self-employed or a contractor? Yes. Lenders assess self-employed and contractor income differently, and the right lender makes a real difference here. It’s an area we specialise in, so it’s worth a conversation about how your income would be assessed.
Does releasing equity affect my credit score? Applying involves a credit check, which can have a small, temporary effect. Taking on a larger mortgage also increases your overall borrowing, which lenders will see. Keeping up your repayments is what protects your credit position over time.
Thinking about releasing equity? Let’s talk
Releasing equity through a remortgage can be a genuinely useful tool, but whether it’s the right move depends entirely on your numbers, your goals, and the deals available to you right now.
As a whole-of-market, independent broker ranked in the top 2% of UK brokers, our advisers will look at how much equity you could realistically release, whether it makes sense for your situation, and what rate you could access, with no upfront fee to have that first conversation.
Book a free call with our remortgage advisers in London, and we’ll help you work out your options.
Your home may be repossessed if you do not keep up repayments on a mortgage secured against it. AS Financial Ltd is authorised and regulated by the Financial Conduct Authority.
