Losing someone close to you is tough enough without having the mountain of paperwork that comes with managing their estate. If you’ve been named an executor or you’re a beneficiary, one of your biggest tasks will be sorting out their property. 

When you first apply for probate, you have to give HMRC a formal valuation of the house based on what it was worth on the exact day they passed away. But the housing market moves quickly. By the time you get the grant of probate through, clear out years of personal belongings, put the house on the market, and find a buyer, months will have flown by. Because of that time gap, it’s incredibly common to find that the offer you eventually accept is quite a bit higher than the figure you started with. So, what happens if the sale price is higher than the probate value?

The Difference Between Probate Value and Sale Price

To see how the tax calculations work, we need to look at how HMRC treats these two figures.

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The probate value is the property’s open-market value on the exact day the deceased passed away. It is not an educated guess about what the property might fetch in the future, nor does it have anything to do with what the deceased paid for it decades ago. This figure becomes the official base cost for the estate. If you are unsure how to obtain an accurate probate valuation, our guide to Probate Valuations explains how HMRC-compliant valuations are prepared and why accuracy is so important.

The sale price is simply the final, real-world amount a buyer pays when the conveyancing completes and the keys are handed over.

If the sale price exceeds the probate value, the property has appreciated during the administration period. While a higher price means a larger inheritance for the beneficiaries, it also means the estate has generated a taxable profit that must be reported.

How Capital Gains Tax Handles the Increase

The most direct consequence of selling a property above its probate appraisal is Capital Gains Tax. Because the probate value is locked in as your starting asset cost, any cash increase achieved at sale is classed as a capital gain. 

If the executors sell the house while the estate still holds it, the estate itself must foot the tax bill. The UK gives estates a small annual tax-free CGT allowance, currently £3,000. Any profit that goes above this £3,000 threshold is taxed at a flat rate of 24% for residential property sales.

Offsetting Your Selling Costs

Thankfully, HMRC doesn’t just tax you on the raw difference between the two valuation figures. You can knock off the legitimate costs involved in handling the estate and selling the house, which brings that taxable profit right down.

You can offset:

• Estate agent fees and any advertising costs.
• Conveyancing solicitor fees for doing the legal paperwork on the sale.
• The fee you paid to get that official RICS probate valuation in the first place.
• Major structural work done after they passed away that genuinely bumped up the house’s value, such as an extension or a full damp-proofing course. 

The 60-Day Reporting Rule

If the estate owes Capital Gains Tax on a residential property, you cannot wait until the end of the traditional tax year to declare it. Executors must report the disposal and pay the tax to HMRC within 60 days of the completion date. Missing this deadline brings immediate financial penalties and interest.

Full reporting requirements can be found in HMRC’s guidance on Capital Gains Tax on UK Property.

When Inheritance Tax Enters the Picture

While Capital Gains Tax applies to the profit made after a person passes away, a significantly higher sale price can prompt HMRC to re-examine the original date-of-death valuation.

If a property sells quickly for much more than the probate estimate, HMRC may argue that the initial appraisal was flawed or understated. They can hand the case over to the District Valuer Service to launch a formal investigation. If HMRC proves the property was actually worth more on the day the person died, they will increase the official probate value. Families concerned about potential tax liabilities may also benefit from professional Inheritance Tax Planning advice to help protect estate assets and ensure compliance with HMRC requirements.

The impact of this adjustment depends entirely on the estate’s overall size:

Below the Threshold

If the total estate value stays safely under the standard Nil Rate Band of £325,000 (or up to £1 million if passing a home to direct descendants using the Residence Nil Rate Band), no extra tax will be due.

Above the Threshold

If the estate is already in the taxable bracket, an upward adjustment to the property value means you will owe an extra 40% Inheritance Tax on that increase.

If HMRC forces an increase in the probate value, your Capital Gains Tax liability drops because the base cost moves up to match the sale price. However, paying 40% Inheritance Tax instead of 24% Capital Gains Tax is a poor trade-off, which underscores the value of getting an accurate professional appraisal right at the start.

Legally Reducing the Bill – Deeds of Appropriation

If you realise a property is likely to sell for far more than its probate appraisal, executors can use a straightforward legal tool called a Deed of Appropriation. Instead of selling the home while it is still under the estate’s name, the executors can formally transfer beneficial ownership to the beneficiaries before signing the final contract with the buyer.

This shift alters the tax framework in two major ways:

Multiplying Tax Allowances

Instead of using the estate’s single £3,000 tax-free allowance, you can combine the personal £3,000 CGT allowances of all the named beneficiaries. If four siblings inherit the property, they can shield up to £12,000 of the gain from tax.

Accessing Lower Tax Rates

Individuals do not automatically pay the flat 24% estate rate. If a beneficiary is a basic-rate income taxpayer, their share of the property gain may be taxed at only 18%.

For this to work, the Deed of Appropriation must be fully drafted, signed, and dated before you exchange contracts with the buyer.

Frequently Asked Questions

What happens if the house sells for more than the probate value, but there is no Inheritance Tax to pay?

If the whole estate sits safely under the £325,000 threshold, a higher selling price won’t suddenly trigger an Inheritance Tax bill. Instead, you just have to look at the Capital Gains Tax. You will need to calculate the difference between that original probate figure and the final sale price, take off your legal and estate agent fees, apply the £3,000 tax-free allowance, and pay 24% tax on whatever profit is left.

Can we just use what the deceased originally paid for the property as our starting cost?

No, HMRC completely ignores what the property was bought for years ago. When someone passes away, the property undergoes a “probate uplift.” This means its value resets to exactly what it was worth on the open market on the date of death, completely wiping out any profit or capital gains accumulated during their lifetime.

What happens if the house sells for less than the probate valuation?

If you end up selling the property at a loss within four years of the person passing away, executors can fill out an HMRC Form IHT38 to claim an Inheritance Tax refund. This swaps out the original high valuation for the lower, actual sale price, letting you claw back overpaid tax at the 40% IHT rate.

How does HMRC actually find out what the property sold for?

HMRC works hand in hand with the Land Registry. The moment a property changes hands, and the new buyer registers their title deeds, the final purchase price is officially logged. HMRC routinely runs cross-checks between these Land Registry records and recent probate submissions to ensure any capital gains are declared. Property transaction records are maintained by HM Land Registry and are routinely used by HMRC when reviewing estate valuations.

Does a beneficiary moving into the house change how it’s taxed?

Yes, it can completely change things. If a beneficiary moves into the inherited home and makes it their main residence before it gets sold, they might be able to claim Private Residence Relief. This relief can drastically reduce, or even eliminate, the Capital Gains Tax due on their share of the profit.

Can I renovate the house during the probate period to get a better price?

You can, but you have to be careful with how you track your spending. Only major, permanent structural work (like building an extension or putting in a completely new central heating system) can be knocked off your capital gains bill. Cosmetic updates like painting, new carpets, or tidying up the garden are classed as general maintenance, meaning they won’t help reduce your tax.

Contact our helpful, professional team at IWC Probate for assistance with probate issues on 0208 81502010.