How much is your house worth? Home valuation guide 2026

Working out what a home is worth in 2026 depends on what you are looking for. Official datasets can show broad market movements and completed sale prices, while a professional valuation is used for specific legal, tax or lending purposes. The facts below show how those sources work, and where their limits are.

How official price data works

HM Land Registry Price Paid Data tracks residential property sales in England and Wales that are submitted for registration. The guidance says it excludes non-market-value sales, including right-to-buy discounts, gifts, transfers on divorce, compulsory purchase and court-order sales. It also says registration typically lags the sale by two weeks to two months, so the most recent two months of data are incomplete.

The UK House Price Index

The UK House Price Index is a National Statistic jointly produced by HM Land Registry, ONS, Registers of Scotland and LPSNI, based on completed registered sales. It tracks changes in residential property values in England and Wales from January 1995, Scotland from January 2004 and Northern Ireland from January 2005, down to local authority level. The July 2026 provisional UK average was £273,000, up 1.4% in a year. June annual growth was revised from the first estimate of 2.0% to 1.5%; recent estimates can change as more sales are registered. The index also excludes some non-market-value sales, including gifts, court orders, right-to-buy discounts and leases of seven years or less.

The Red Book: how professionals value

RICS Valuation - Global Standards, known as the Red Book, contains mandatory rules for RICS members, and the current edition became effective on 31 January 2025. Separate from that, RICS says the Home Survey Standard is under review, but members should keep using the first edition until the second edition takes effect. That consultation proposed optional valuations for all survey levels, but this is not the same thing as saying every survey automatically includes one.

Valuing a property in an estate

If you are handling an estate, GOV.UK says you must estimate the value of its assets for Inheritance Tax purposes before applying for probate. That does not mean every property needs a formal RICS valuation: the guidance says you can hire a professional to help, particularly when the estate is large or complicated. Where a full Inheritance Tax account is needed, the value normally must be reported within one year on form IHT400; any tax owed is normally due by the end of the sixth month after death. Check the current GOV.UK process for your circumstances.

What the data cannot tell you

Official price data has limits. Both Price Paid Data and the UK HPI exclude various non-market-value transactions, and Price Paid Data is incomplete for the most recent two months because of registration lag. Editorially, that means these sources are useful for market evidence, but they do not replace a property-specific assessment of condition, layout, alterations or defects. The survey facts here also underline that a mortgage valuation is not a survey: it is a cursory check for the lender, not the buyer, and may miss costly problems.

Key facts

Source: GOV.UK - About the Price Paid Data — Guidance checked August 2026

Source: GOV.UK - About the Price Paid Data — Guidance checked August 2026

Source: GOV.UK - About the Price Paid Data — Guidance checked August 2026

Source: GOV.UK - About the UK House Price Index — Guidance checked August 2026

Source: ONS - Private rent and house prices, UK: September 2026 — July HPI published and checked 16 September 2026; provisional

Source: GOV.UK - How to value an estate for Inheritance Tax and report its value — Estate valuation guidance checked 16 September 2026