Buy-to-Let Property in a Will

How to deal with rental and buy-to-let property in your will, including mortgages, tenants and tax.

Reviewed by the Estate Advisory Group editorial teamLegally reviewed: 13 August 2026Last updated: 13 August 2026

In short

  • An outstanding buy-to-let mortgage does not disappear on death and needs a clear plan in your will
  • Existing tenants have legal rights that continue regardless of who inherits the property
  • Consider whether your chosen beneficiaries actually want to become landlords
  • Rental property is included in your estate for inheritance tax at its market value
  • Selling an inherited rental property can trigger capital gains tax on any increase in value since death
  • A portfolio of several properties, or a letting business, usually needs specialist estate planning advice

Buy-to-let property brings a set of considerations to a will that a main residence usually does not: an outstanding mortgage that may not be repaid on death, existing tenants with their own legal rights, ongoing management responsibilities, and often more significant inheritance tax and capital gains tax implications given the property's investment nature.

Whether you own one rental flat or a small portfolio, thinking through what should happen to the property, who is capable of managing it, and how any mortgage and tax liabilities are dealt with, will save your executors and beneficiaries a great deal of difficulty later.

Because buy-to-let property often involves larger sums, ongoing income, and more complex tax treatment than a family home, this is an area where speaking to a solicitor and accountant alongside making your will is genuinely worthwhile, particularly if you own several properties or run the letting as a business.

Mortgages on buy-to-let property

Most buy-to-let properties are owned subject to a mortgage, and unlike a repayment mortgage on a main residence that might be covered by life insurance, buy-to-let mortgages are rarely linked to a policy that clears the debt on death. Your will should set out clearly whether the mortgage is to be paid off from the general estate, or whether the beneficiary inheriting the property takes it subject to the mortgage and becomes responsible for it, or for remortgaging in their own name.

Lenders will usually need to be informed of the death and may require the mortgage to be repaid, refinanced, or transferred, so your executors should contact the lender promptly. See our guide on a mortgaged house in a will for the general principles, which apply equally to rental property.

Existing tenants and their rights

If the property is let at the time of your death, the tenancy does not end automatically. Tenants retain their legal rights under the tenancy agreement, and rent continues to be due, with the right to receive it (and the obligations of being a landlord) passing to your executors during the administration of the estate and then to whoever ultimately inherits the property.

Executors and beneficiaries need to understand landlord obligations, such as protecting deposits, gas safety certificates, and repair responsibilities, that continue regardless of the change in ownership. If you have a managing agent, leaving clear details of who they are and where the tenancy paperwork is kept will make a real difference to how smoothly this transition happens.

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Think about whether beneficiaries want to be landlords

Being a landlord involves ongoing responsibility, regulatory compliance, and risk, and not every beneficiary who might inherit a rental property will want, or be equipped, to take that on. Some may prefer to sell rather than manage a let property alongside their own life and career.

It is worth discussing with likely beneficiaries whether they would want to keep and manage the property, sell it, or have flexibility to choose at the time. Building some flexibility into your will, for example allowing executors discretion to sell if a beneficiary does not want to keep the property, can avoid an unwanted inheritance becoming a burden.

Inheritance tax and capital gains tax

A buy-to-let property is included in your estate for inheritance tax purposes at its market value on death, in the same way as any other asset, and does not benefit from the residence nil rate band since it is not your main home. Any mortgage outstanding is deducted in calculating the taxable value of the estate.

Separately, if a beneficiary later sells an inherited rental property, capital gains tax may be due on any increase in value between the date of death (when the value is effectively 'reset' for capital gains purposes) and the date of sale. This is a different tax from inheritance tax and worth beneficiaries understanding before they decide whether to sell or keep the property.

Portfolios and letting businesses

If you own several rental properties, or run letting as a more substantial business, including through a limited company, the estate planning considerations multiply: succession of company shares, ongoing management arrangements, business property relief eligibility (which is more limited for property letting businesses than for trading businesses), and how to divide a portfolio fairly or practically among beneficiaries.

This level of complexity is beyond what a standard will can safely cover on its own, and specialist advice from a solicitor, together with an accountant familiar with property portfolios, is strongly recommended to make sure the structure you have chosen during your lifetime works properly on your death too.

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This guidance covers the law of England and Wales and is general information, not legal advice about your circumstances. The rules in Scotland and Northern Ireland differ.