Wills, Trusts & Estates · Probate

Property Valuation for Probate

Probate Property Valuation

How to value a property for probate in England and Wales. HMRC requirements, inheritance tax implications, and what to do if the Valuation Office Agency queries your figure.

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Accurate valuation is essential — undervaluation carries penalties

HMRC's Valuation Office Agency actively reviews probate property valuations. An undervaluation can result in additional IHT, interest, and penalties. A genuine open market valuation, supported by comparable evidence, is the correct approach.

What is a probate property valuation?

When someone dies, all property they owned must be valued as at the date of death. This valuation is used to calculate the total value of the estate for inheritance tax purposes and to report to HMRC on the IHT return.

The correct figure is the open market value — the price the property would achieve if sold on the open market between a willing buyer and a willing seller, with neither party under any compulsion to buy or sell.

This is not necessarily the same as the asking price, the mortgage valuation, or the council tax banding. It is a specific legal concept and must be assessed carefully.

Standard nil-rate band (2024/25)£325,000

Residence nil-rate band (per person)£175,000

Combined allowance (married couple)Up to £1,000,000

IHT rate above threshold40%

Reduced IHT rate (10%+ to charity)36%

Figures for 2024/25 tax year. Subject to change.

How to value a property for probate

There are several approaches to obtaining a probate valuation. The right method depends on the type and value of the property.

Estate Agent Valuation

The most common approach. You instruct two or three local estate agents to provide a written valuation of the property as at the date of death. HMRC expects the open market value — what the property would achieve if sold on the open market between a willing buyer and a willing seller.

RICS Surveyor Valuation

For higher-value properties, unusual properties, or where HMRC is likely to scrutinise the figure, a formal RICS Red Book valuation from a chartered surveyor provides greater protection. The valuation is prepared to a professional standard and is defensible if challenged.

Specialist Valuations

Agricultural land, commercial property, woodland, and property with development potential all require specialist valuers. Undervaluing these assets can result in significant HMRC penalties. We can refer you to appropriate specialists.

Comparable Sales Evidence

Valuations should be supported by comparable sales evidence — similar properties sold in the same area around the date of death. Land Registry data and estate agent records are the primary sources. HMRC may request this evidence if they query the valuation.

Step-by-step: valuing property for probate

Follow these steps to ensure the property valuation is correctly carried out and reported to HMRC.

Identify all property in the estate

List every property interest held by the deceased — freehold, leasehold, jointly owned, and any beneficial interests under a trust. Each must be valued separately.

Establish the date of death value

The valuation date is the date of death, not the date probate is applied for. If the property market has moved significantly, this distinction matters.

Obtain written valuations

Instruct estate agents or a RICS surveyor to provide a written valuation. Keep all correspondence and supporting evidence — HMRC may request it.

Consider any discounts

Where a property is jointly owned with someone other than a spouse, a discount of 10–15% may be applied to reflect the difficulty of selling a share. Tenanted properties may also attract a discount.

Report to HMRC on IHT400 or IHT205

Property values are reported on the inheritance tax return. For taxable estates, full details are required on form IHT400 and supplementary form IHT405.

Deal with any HMRC enquiry

HMRC's Valuation Office Agency (VOA) may query the valuation. We can help you respond and, if necessary, negotiate an agreed figure.

What if HMRC queries the valuation?

HMRC's Valuation Office Agency (VOA) reviews probate property valuations and may open an enquiry if they consider the figure too low. This is particularly common for higher-value properties, properties in areas of strong demand, and agricultural or commercial land.

If the VOA opens an enquiry, they will typically propose a higher value and invite you to agree or dispute it. You have the right to provide evidence in support of your valuation — comparable sales, condition reports, and any factors that affected value at the date of death.

If agreement cannot be reached, the matter can be referred to the Upper Tribunal (Lands Chamber). We can advise and represent you throughout this process.

Penalties for undervaluation

Where HMRC establishes that a property was undervalued, additional IHT is payable together with interest from the original due date. Penalties can also be charged — up to 100% of the unpaid tax in cases of deliberate understatement.

Post-death sale at a loss

If the property is sold within 4 years of death for less than the probate value, you may be able to substitute the sale price for the probate value and claim a refund of overpaid IHT. This is known as a loss on sale relief claim.

Jointly owned property

Where a property is owned as tenants in common, a discount of 10–15% is typically applied to the deceased's share to reflect the difficulty of selling a partial interest. Joint tenancy property passing to a surviving spouse is generally exempt from IHT.

Our probate team

Laura Kirton

Wills & Probate Solicitor · 10 Years Qualified

Probate & IHT

Darren Steele

Senior Private Client Executive · STEP Member

Estate Administration

Frequently Asked Questions

How do I value a property for probate?

You need to establish the open market value of the property as at the date of death. The most common approach is to obtain written valuations from two or three local estate agents. For higher-value or unusual properties, a formal RICS Red Book valuation from a chartered surveyor provides greater protection if HMRC queries the figure.

Does the property valuation affect inheritance tax?

Yes — the property valuation directly affects the inheritance tax calculation. Property is included in the gross estate for IHT purposes. If the estate exceeds the nil-rate band (currently £325,000, or up to £1 million with the residence nil-rate band and transferable allowances), IHT is charged at 40% on the excess. An accurate valuation is therefore essential.

What happens if the probate property valuation is too low?

If HMRC considers the valuation too low, their Valuation Office Agency (VOA) may open an enquiry. If an undervaluation is established, additional IHT will be payable, together with interest and potentially a penalty. Deliberate undervaluation can result in significant penalties. It is important to obtain a genuine open market valuation.

Can I use a sale price instead of a valuation?

If the property is sold shortly after the date of death, the sale price may be accepted as evidence of the open market value at the date of death — particularly if the sale was at arm's length and the market has not moved significantly. However, you should still obtain a valuation at the date of death for the IHT return.

What is the residence nil-rate band and how does it affect property valuation?

The residence nil-rate band (RNRB) is an additional IHT allowance of up to £175,000 (2024/25) where a residential property is left to direct descendants (children, grandchildren). Combined with the standard nil-rate band, a married couple can potentially pass on up to £1 million free of IHT. The RNRB is tapered for estates over £2 million.

Do I need a RICS valuation for probate?

A RICS valuation is not always legally required, but it is strongly advisable for high-value properties, unusual properties, agricultural land, commercial property, or where HMRC scrutiny is likely. A RICS Red Book valuation is prepared to a professional standard and provides a defensible basis if the figure is challenged.

What if the property is jointly owned?

If the property was jointly owned as joint tenants with a spouse or civil partner, the deceased's share passes automatically to the survivor and is not included in the estate for probate purposes (though it may still be relevant for IHT). If owned as tenants in common, the deceased's share forms part of the estate and must be valued — usually with a discount of 10–15% to reflect the difficulty of selling a share.