Purchasing Property from Your Parents

Discover how to buy a house from your parents legally and safely, with expert UK advice on mortgages, tax and the conveyancing process

Written by Christina Odgers FCCA
Director, Towerstone Accountants
Last updated 23 February 2026

At Towerstone, we provide specialist property accountancy services for homeowners, landlords, and property investors. We have written this article to explain how family purchases work and what to document, helping you make informed decisions.

Yes, you can buy a house from your parents in the UK, and it is more common than many people realise. Parents sell property to their children for all sorts of reasons, helping them onto the property ladder, simplifying inheritance planning, releasing capital, or keeping a home within the family. From a legal point of view, there is nothing wrong with this at all.

However, buying a house from your parents is not the same as buying from a stranger. There are important tax, mortgage, legal, and family considerations that need to be handled properly. Many of the problems I see arise not because the arrangement is illegal, but because it is informal, poorly documented, or based on assumptions that turn out to be wrong.

In this guide, I will explain how buying a house from your parents works in practice, the different ways it can be structured, how tax is applied, and the common pitfalls to avoid. This is written in clear UK English and reflects how these transactions are treated by solicitors, lenders, and HMRC in the real world.

The Basic Legal Position

There is no restriction in UK law that stops you buying property from your parents.

You can:

Buy at full market value

Buy at a discounted price

Buy using a mortgage or cash

Buy jointly with a partner

As long as the transaction is genuine and properly documented, it is treated as a normal sale for legal purposes.

That said, the fact you are related changes how lenders and tax authorities look at the deal.

Why People Buy Houses From Their Parents

Understanding the motivation helps clarify the right structure.

Common reasons include:

Helping a child buy when prices are high

Parents downsizing without selling on the open market

Estate planning and early inheritance

Keeping the property in the family

Avoiding estate agent fees and delays

Each reason carries different tax and risk implications.

Buying at Market Value

The simplest option is buying the house at full market value.

How This Works

The property is valued by an estate agent or surveyor. You agree a price that reflects that value and complete the purchase like any other buyer.

This route is often chosen where:

A mortgage is required

Parents want a clean break

The family wants to avoid future disputes

Tax Implications for Your Parents

If your parents sell at market value:

Capital gains tax may apply if the property is not their main home

No special tax relief applies just because you are family

If it is their main residence, Private Residence Relief usually means no CGT is payable.

Tax Implications for You

For you as the buyer:

Stamp Duty Land Tax is assessed as normal

First time buyer relief may apply if you qualify

The transaction is treated like any other purchase

From a tax perspective, this is the cleanest option.

Buying at a Discounted Price

Many parents sell at less than market value to help their child.

This is known as a sale at undervalue.

How a Discounted Sale Works

For example:

Market value £300,000

Sale price £220,000

Discount £80,000

The £80,000 difference is usually treated as a gift from your parents to you.

This is legal, but it has important consequences.

Capital Gains Tax Still Uses Market Value

For CGT purposes, your parents are usually treated as selling at market value, not the discounted price.

This means:

CGT is calculated as if they sold for £300,000

Even though they only receive £220,000

This catches many families by surprise.

Inheritance Tax Implications

The gifted element is treated as a potentially exempt transfer for inheritance tax.

This means:

If your parents live for seven years after the gift, it falls outside their estate

If they die within seven years, some IHT may be due depending on the estate size

This is often part of wider estate planning.

Using a Mortgage When Buying From Parents

Buying from parents with a mortgage is possible, but lenders apply extra scrutiny.

Lender Requirements

Most lenders will require:

An independent valuation

Confirmation the transaction is genuine

Clear evidence of any gifted equity

Solicitors acting independently for both sides

Some lenders will not lend on family transactions at all, while others are comfortable if everything is documented.

A mortgage adviser should always be involved early.

Gifted Equity Explained

In a discounted sale, the discount can sometimes be used as your deposit. This is known as gifted equity.

For example:

Market value £300,000

Sale price £220,000

Mortgage £200,000

From the lender’s perspective, the loan to value is based on the market value, not the discounted price.

Not all lenders accept gifted equity, so choice of lender matters.

Buying With Cash

If you are buying with cash, the process is simpler.

There is:

No lender approval

No mortgage conditions

Less scrutiny of the discount

However, tax implications for your parents remain the same.

Stamp Duty Land Tax Considerations

Stamp duty is calculated on the price you actually pay, not the market value.

Using the earlier example:

You pay SDLT on £220,000

Not on £300,000

This can make buying from parents cheaper upfront.

However, SDLT rules still apply as normal, including:

Higher rates if you already own property

First time buyer relief if eligible

SDLT planning should be checked before exchange.

Independent Legal Advice Is Essential

This is not optional.

When buying from parents:

You must have your own solicitor

Your parents must have their own solicitor

Independent advice protects everyone

This avoids later claims of undue influence, pressure, or misunderstanding.

Mortgage lenders insist on this separation.

What If Your Parents Want to Stay Living There?

This is one of the riskiest arrangements.

If you buy the house and your parents continue to live there rent free:

HMRC may treat this as a gift with reservation of benefit

The property may still be counted in their estate for IHT

CGT and income tax complications can arise

If parents stay in the property, specialist advice is essential.

Buying and Letting the Property Back to Your Parents

Some families agree that the child buys the house and rents it back to the parents.

This creates a landlord tenant relationship.

Consequences include:

Rental income is taxable

Formal tenancy agreements are required

Market rent rules may apply for tax

Benefits eligibility may be affected

This structure is complex and often less tax efficient than expected.

Joint Ownership With Parents

Another option is buying jointly with your parents.

This can allow:

Shared ownership

Gradual transfer over time

Flexible planning

However, joint ownership ties finances together and can complicate:

Future sales

Relationship changes

Care fee assessments

This route needs careful thought.

Care Fees and Local Authority Assessments

Selling or transferring property between parents and children can affect care fee planning.

Local authorities may look back at:

Gifts

Discounted sales

Transfers

If they believe assets were disposed of to avoid care fees, they may apply deprivation rules.

This is a serious consideration for older parents.

Family Relationship Risks

This is often overlooked.

Buying property from parents can strain relationships if:

Expectations are unclear

Siblings feel treated unfairly

Circumstances change

Clear written agreements and open discussions help avoid problems later.

Common Mistakes I See in Practice

The most common issues include:

Assuming CGT does not apply because it is family

Not using independent solicitors

Ignoring IHT implications

Using informal loan or gift arrangements

Letting parents live rent free without advice

Most of these mistakes are avoidable.

How HMRC Views Family Property Sales

From HMRC’s perspective, family transactions are scrutinised more closely.

They look at:

Market value

Source of funds

Ongoing benefits

Whether arrangements are genuine

Being transparent and properly advised is the safest approach.

My Professional View

In my professional opinion, buying a house from your parents can be an excellent solution, but only if it is structured correctly.

The cleanest arrangements are usually:

Buying at market value with clear funding

Or a discounted sale with full understanding of CGT and IHT

The most problematic arrangements are those where parents sell cheaply but continue to benefit from the property without paying rent.

Final Thoughts

So, can you buy a house from your parents in the UK?

Yes, absolutely. It is legal, common, and often very sensible. But the fact you are family changes how tax authorities and lenders view the transaction, and that means planning is essential.

Before proceeding, you should always:

Get an independent valuation

Speak to a mortgage adviser if borrowing

Use separate solicitors

Consider CGT and IHT implications

Think carefully about future living arrangements

Done properly, buying a house from your parents can benefit everyone involved. Done informally, it can create tax problems and family disputes that last far longer than the transaction itself.

If you would like to explore related property guidance, you may find can i buy my parents house and can a limited company buy a house useful. For broader property guidance, visit our property hub.