Making a Will Before Buying a House

Why buying a home is a good moment to make or update your will, and how ownership, mortgage and life cover fit in.

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

In short

  • How you own a property with someone else decides what happens to it, alongside your will
  • Joint tenants pass the property automatically to the survivor, overriding a will
  • Tenants in common each own a defined share that a will can direct
  • A mortgage does not disappear on death and needs to be planned for
  • Life insurance linked to a mortgage is separate from a will and needs its own beneficiary nomination

You have just had an offer accepted on a house, or you are somewhere in the whirlwind between mortgage applications, surveys and solicitors' letters. It is a big financial step, often the biggest most people take, and it is also a natural moment to check that your will, or the lack of one, actually reflects what you now own.

Buying a property changes your financial picture significantly and often introduces a mortgage, a new form of joint ownership if you are buying with someone else, and a much larger estate than you may have had before. This guide walks through what a will does and does not control when it comes to property, and why sorting this out around your purchase, rather than years later, makes sense.

Why buying a house is a natural trigger for a will

For many people, buying a first home is the point at which they own a genuinely significant asset for the first time, often bought with a partner and supported by a substantial mortgage. Before this, if you died without a will, the practical consequences might have been limited. Once a property and a mortgage are involved, the consequences of not having a will, or having one that does not reflect the purchase, become much more real.

It is also simply a natural moment to think about these things, since you are already dealing with legal paperwork, considering how you want to own the property, and thinking seriously about your financial future. Folding a will into this process, rather than leaving it for later, means it gets done.

How you own the property matters as much as your will

If you are buying with a partner, spouse or friend, your solicitor will ask whether you want to hold the property as joint tenants or tenants in common, and this decision affects what happens to it on death separately from anything your will says. As joint tenants, the property passes automatically and entirely to the survivor, regardless of what either of your wills state. As tenants in common, each of you owns a defined share, which passes according to your own will, or under intestacy if you have none.

Married couples and civil partners with a simple household often choose joint tenancy for its simplicity. Unmarried couples, those who have contributed unequal amounts, or anyone wanting their share to go to children from a previous relationship, often choose tenants in common instead, paired with a will that says exactly where that share should go.

  • Joint tenants: automatic survivorship, a will cannot override this for the property
  • Tenants in common: your share passes under your will
  • A declaration of trust can record unequal financial contributions
  • Your solicitor will ask you to choose during the conveyancing process

What a will does and does not control here

If you own the property outright or as tenants in common, your will can direct exactly who receives your share, whether that is a partner, spouse, children or someone else entirely. Without a will, that share would pass under the intestacy rules, which may not match what you actually want, particularly if you are unmarried or want to provide for children from an earlier relationship.

It is worth being precise in your will about whether you are leaving 'my share of the property' or a specific gift, and considering whether the person inheriting would need to sell, buy out another owner, or simply continue living there. A well-drafted will anticipates these practical questions rather than leaving them for your family to untangle.

The mortgage does not disappear when you die

An outstanding mortgage remains a debt of the estate, or in the case of a joint mortgage, becomes the sole responsibility of the surviving joint borrower, who usually needs to demonstrate they can afford the repayments alone or remortgage. This is worth thinking through honestly, particularly for a couple buying together where only one income might otherwise cover the mortgage.

Many buyers take out life insurance alongside a mortgage specifically to cover this risk, so that the mortgage is paid off, or substantially reduced, if one of you dies. This is separate from your will and works through its own nomination of beneficiary, but it is worth reviewing at the same time you make or update your will, since together they provide much stronger protection for whoever is left holding the property.

Making it part of moving day

You do not need to wait until completion day to make your will, and there is a good argument for having it in place before you exchange contracts, particularly if you are taking on a large mortgage jointly with someone else. It ensures that from the moment you own the property, your wishes are clearly recorded rather than left to chance during what is already a stressful and busy period.

A straightforward will covering a property purchase, whether you are buying alone, with a partner, or with a spouse, can usually be made online quickly and starts from £69, a small addition to the overall cost of moving that provides real protection for the biggest asset most people ever own.

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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.