How do you release equity from one property to buy another?

In the UK, releasing equity normally means borrowing against one property and using the cash toward another purchase; the legal security is a charge in England, Wales and Northern Ireland, and a standard security in Scotland. The tax on the next purchase differs by nation: SDLT in England and Northern Ireland, LBTT plus ADS in Scotland, and LTT in Wales.

How do you release equity from one property to buy another?

You release equity from one property to buy another by increasing secured borrowing on the first property, usually through a remortgage, further advance or second charge, then using the released cash as the deposit or purchase funds for the next property. You can borrow money against your house to buy another property even if you still have a mortgage, but the lender decides affordability, loan-to-value and whether the purpose is acceptable; legally, an owner in England and Wales has the “power to charge the estate at law with the payment of money,” while in Scotland a debt over land must be embodied in a standard security. The borrowing itself is not a CGT disposal because security transfers are not treated as an acquisition or disposal for CGT. Buying another dwelling may trigger higher purchase tax: SDLT higher rates in England and Northern Ireland, Scottish ADS at 8%, and Welsh higher residential LTT.

Can you release equity without remortgaging?

You can release equity without a full remortgage by taking a further advance from your current lender or a second-charge mortgage from another lender, if the lender accepts the case. A product transfer usually changes the rate on the existing borrowing; it is not automatically extra borrowing, so releasing equity on a product transfer depends on whether the lender also offers additional borrowing at the same time. MoneyHelper defines the main non-remortgage route clearly: “A further advance is when you take on more borrowing from your current mortgage lender.” A second charge is different because it leaves the first mortgage in place; MoneyHelper says “Second mortgages are loans secured on your property from another source other than your lender.” In England and Wales, land-registration law also contemplates further advances under an existing charge, and in Northern Ireland registered charges can secure future advances, so the structure is not limited to replacing the whole mortgage.

How much equity can you release?

There is no UK statutory percentage or pound cap on how much equity you can release; the practical amount is set by lender loan-to-value limits, affordability and, for buy-to-let, rental stress testing. A simple remortgage to release equity example is a £300,000 property with a lender maximum of 75% LTV: the maximum total mortgage would be £225,000, so if the existing mortgage is £150,000 the gross releasable amount is £75,000 before fees, any early-repayment charge and legal costs. For buy-to-let, equity is often not the limiting factor because the rent must support the loan; the PRA says lenders should not base affordability on “the equity in the property which is used as security,” and records that “The current industry standard is to set the minimum ICR threshold at 125%.” MoneyHelper’s “up to 75% of the equity” is only an illustration, not a legal release-equity calculator.

Can you remortgage a buy-to-let to buy another property?

gov.uk's landlord guidance says interest above the property's value when it entered the letting business isn't deductible — but HMRC's manual BIM45700 says capital a landlord introduced can be withdrawn and replaced with a loan without losing relief, if wholly and exclusively for the business. Borrowing to buy a home to live in is never deductible. You can remortgage a buy-to-let to buy another property if the lender allows capital raising for that purpose, and some specialist lenders expressly consider it where the funds buy another residential buy-to-let. The tax treatment is separate from the mortgage approval: GOV.UK says extra borrowing can qualify only where it is “wholly and exclusively for the purposes of the letting business,” while BIM45700 adds that a business proprietor may withdraw capital introduced to the business even if replacement funding is then borrowed. If the money is used for a private home, HMRC’s manual says the interest is not allowable in the property business.

Can you remortgage a house you own outright?

You can mortgage a house you own outright; lenders usually call this an unencumbered mortgage rather than a remortgage because there is no existing loan to replace. In England and Wales, the registered owner has the statutory “power to charge the estate at law with the payment of money,” and in Northern Ireland a registered owner may “charge the land with the payment of money either with or without interest.” In Scotland, the equivalent security is a standard security, and the 1970 Act says its provisions enable “a new form of heritable security to be created to be known as a standard security.” The lender will still underwrite the case as new secured borrowing, so owning outright does not remove affordability checks, valuation, legal work or source-of-funds questions for the onward purchase. The released cash can be used to buy another property if the lender accepts that purpose.

Can you switch your home onto a buy-to-let mortgage and buy another one to live in?

You can switch your current home onto a buy-to-let mortgage and buy another home to live in, but consent to let may be an alternative where your existing lender allows you to let the property without reclassifying the mortgage. A buy-to-let contract must be structured so the borrower or a related person cannot occupy the property as their dwelling; the legislation describes a BTL term that “provides that the land subject to the mortgage cannot at any time be occupied as a dwelling by the borrower or by a related person.” Let-to-buy lenders commonly treat this as a BTL remortgage of the current home plus a new residential mortgage for the onward home; one mainstream BTL lender says its maximum LTV for let-to-buy is 80%. Consent to let keeps the residential mortgage in place but permits letting, usually for a price or time limit; Nationwide, for example, says it adds 0.5% while the property is let.

Can you get a second mortgage if you already have one?

You can get a second mortgage if you already have one, provided there is enough equity, the first lender’s position is protected, and the second lender accepts affordability and priority. The FCA’s perimeter guidance states the point directly: “A loan may be a regulated mortgage contract whether it is secured by a first, second or subsequent mortgage.” A second-charge mortgage leaves the original first mortgage running, so it can be useful where the existing rate is valuable or the early-repayment charge makes a full remortgage expensive. The regulatory status is not a loophole: second-charge mortgage lending was brought into the mortgage regime, and MoneyHelper says lenders must run “the same affordability checks and ‘stress test’ your ability to meet future mortgage payments” as with a first-charge residential mortgage. Scotland also recognises ranking between multiple standard securities, and England and Wales law contemplates later charges behind existing registered charges.

Is "equity release" the same as remortgaging to release equity?

“Equity release” is not the same as remortgaging to release equity: in FCA terminology, equity release means a lifetime mortgage or home reversion plan, while an ordinary remortgage is replacement mortgage borrowing. The FCA glossary defines an equity release transaction as “a lifetime mortgage or a home reversion plan,” and its rules require firms to describe those products as a lifetime mortgage or home reversion plan rather than disguising the label. This distinction matters if you are under 55, because mainstream lifetime mortgage equity release is an older-borrower market, while remortgaging, a further advance or a second charge may be available to younger borrowers who pass lender checks. It also matters for alternatives to equity release: MoneyHelper treats a second charge as a separate option and says it may be cheaper than remortgaging to release equity where the current mortgage has a high early-repayment charge.

Do you need to remortgage to transfer equity into someone else's name?

You do not always need to remortgage to transfer equity into someone else’s name, but if there is a mortgage the lender must agree to the change or be repaid. In England and Wales, HM Land Registry’s TR1 process is a transfer of the registered title, not automatically a new mortgage, and its guidance says: “If a mortgage is involved, the lender may insist you use a solicitor or licensed conveyancer.” The tax can still bite even where no new loan is taken: HMRC says SDLT is payable if the person receiving the share takes over an existing mortgage above the SDLT threshold. In practice, a lender may allow the existing charge to remain with a deed or covenant, or may require a remortgage to release a departing borrower. That is lender practice and risk control, not a rule that every transfer of equity must be done by remortgage.

Last reviewed September 2026.

Sources

• FCA Handbook MCOB 1.2 — “Lifetime mortgages and home reversion plans are together referred to as equity release transactions.” Source
• MoneyHelper, Increasing your mortgage: getting a further advance — “to raise a deposit for a second property, perhaps as a buy-to-let investment.” Source
• Land Registration Act 2002 s.23 — “(b)power to charge the estate at law with the payment of money.” Source
• Conveyancing and Feudal Reform (Scotland) Act 1970 s.9 — “A grant of any right over land or a real right in land for the purpose of securing any debt by way of a heritable security shall only be capable of being effected at law if it is embodied in a standard security.” Source
• Taxation of Chargeable Gains Act 1992 s.26 — “The conveyance or transfer by way of security of an asset or of an interest or right in or over it, or transfer of a subsisting interest or right by way of security in or over an asset (including a retransfer on redemption of the security), shall not be treated for the purposes of this Act as involving any acquisition or disposal of the asset.” Source
• GOV.UK, Stamp Duty Land Tax: buying an additional residential property — “Check if you have to pay the higher rates of Stamp Duty Land Tax (SDLT) when you buy a residential property in England or Northern Ireland.” Source
• Revenue Scotland, Additional Dwelling Supplement — “For transactions on or after 5 December 2024 the ADS is 8% of the purchase price.” Source
• Welsh Government, Land Transaction Tax rates and bands — “When you buy a residential property and you already own one or more residential properties you may need to pay the higher residential rates.” Source
• MoneyHelper, Increasing your mortgage: getting a further advance — “A further advance is when you take on more borrowing from your current mortgage lender.” Source
• MoneyHelper, Second charge or second mortgages — “Second mortgages are loans secured on your property from another source other than your lender.” Source
• Land Registration Act 2002 s.49 — “The proprietor of a registered charge may make a further advance on the security of the charge ranking in priority to a subsequent charge if he has not received from the subsequent chargee notice of the creation of the subsequent charge.” Source
• Land Registration Act (Northern Ireland) 1970 s.43 — “the registered owner of the charge shall be entitled in priority to any subsequent charge to the payment of any sum due to him in respect of such future advances, except any advances which may have been made after the date of, and with express notice in writing of, the subsequent charge.” Source
• Bank of England PRA Supervisory Statement SS13/16 — “Firms should not base their assessment of affordability on the equity in the property which is used as security under the buy-to-let mortgage contract, or take account of a future increase in property prices.” Source
• Bank of England PRA Supervisory Statement SS13/16 — “The current industry standard is to set the minimum ICR threshold at 125%.” Source
• MoneyHelper, Second charge or second mortgages — “However, up to 75% of the equity in your property will give you an idea.” Source
• GOV.UK, Income Tax when you rent out a property: working out your rental income — “If you increase your mortgage loan on your buy-to-let property you may be able to treat interest on the additional loan as a revenue expense, or get relief against Income Tax as long as the additional loan is wholly and exclusively for the purposes of the letting business.” Source
• HMRC Business Income Manual BIM45700 — “A proprietor of a business may withdraw the profits of the business and the capital they have introduced to the business, even though subsequent funding may then have to be provided by interest bearing loans.” Source
• HMRC Business Income Manual BIM45700 — “As the funds are used to buy a new private asset the interest on the new remortgage is not an allowable deduction in the property business.” Source
• Land Registration Act (Northern Ireland) 1970 s.41 — “A registered owner of land may, subject to the provisions of this Act, charge the land with the payment of money either with or without interest, and either by way of annuity or otherwise.” Source
• Conveyancing and Feudal Reform (Scotland) Act 1970 s.9 — “The provisions of this Part of this Act shall have effect for the purpose of enabling a new form of heritable security to be created to be known as a standard security.” Source
• Mortgage Credit Directive Order 2015 art.4 — “(ii)provides that the land subject to the mortgage cannot at any time be occupied as a dwelling by the borrower or by a related person, and is to be occupied as a dwelling on the basis of a rental agreement; or” Source
• The Mortgage Works, Let to Buy criteria — “The maximum LTV we'll consider for Let to Buy mortgages is 80%.” Source
• Nationwide, Letting your property — “We'll add 0.5% to your current interest rate while you’re letting your property.” Source
• FCA PERG 4.4 — “A loan may be a regulated mortgage contract whether it is secured by a first, second or subsequent mortgage.” Source
• MoneyHelper, Second charge or second mortgages — “This means lenders have to carry out the same affordability checks and ‘stress test’ your ability to meet future mortgage payments as they would for an applicant for a main or first charge residential mortgage.” Source
• FCA Handbook glossary, equity release transaction — “a lifetime mortgage or a home reversion plan.” Source
• MoneyHelper, Second charge or second mortgages — “If your current mortgage has a high early repayment charge, it might be cheaper for you to take out a second charge mortgage rather than to remortgage to release equity from your property.” Source
• HM Land Registry, guidance completing form TR1 — “If a mortgage is involved, the lender may insist you use a solicitor or licensed conveyancer.” Source
• GOV.UK, SDLT: transferring ownership of land or property — “You’ll pay Stamp Duty Land Tax if you take over some or all of an existing mortgage and the value of the mortgage is over the Stamp Duty Land Tax threshold.” Source