How much is my house worth?
Enter your postcode for an instant estimate built from every HM Land Registry sale on record, indexed to the latest official UK House Price Index. No email address, no estate agent, no sign-up.
Want the value of one specific home?
The postcode figure is a typical value for the street. Search the exact address below and we index that property’s own last recorded sale forward to today instead.
How the house value calculator works
Every home sold in England and Wales is registered with HM Land Registry, and the completion price is published as open data. That is a record of what buyers actually paid, not what anyone hoped to get. The problem with a sold price on its own is that it is a snapshot of one month: a house that sold for £240,000 in 2016 is not worth £240,000 today.
To bridge that gap we use the UK House Price Index, published monthly by HM Land Registry and the Office for National Statistics for every local authority and for each property type. For each sale in your postcode we take the index value for the month it sold and the index value for the latest published month, then scale the price by the ratio between them. Do that for every sale on record and the median tells you what a typical home in that postcode is worth right now.
Where a postcode has three or more sales in the last ten years, the headline figure leans on those; older sales are used only when nothing recent exists, because a twenty-year-old transaction carries far more indexing error.
What the estimate cannot see
An indexed valuation is a market figure, not a property figure. These are the things that move the real number and are invisible in the public record:
- Extensions and conversions. A loft conversion or rear extension since the last sale can add 10–20% that indexing will never show.
- Condition. Two identical terraces on the same street can differ by £40,000 on kitchens, bathrooms and damp alone.
- Lease length. A flat with under 80 years left is worth materially less, and the gap widens every year.
- Plot, parking and outlook. Off-street parking or a south-facing garden are priced by buyers, not by an index.
- Energy efficiency. An F or G rated home is increasingly discounted by buyers pricing in the cost of fixing it.
Check your EPC rating and your full sale history before you settle on a figure.
House value calculator vs estate agent valuation
| Method | Cost | Based on | Best for |
|---|---|---|---|
| This calculator | Free | Registered sold prices + official index | A neutral starting figure in seconds |
| Estate agent valuation | Free | Local knowledge, plus winning your instruction | Setting an asking price to market |
| RICS Home Survey Level 2/3 | £400–£1,500 | Physical inspection | Buying, probate, divorce, disputes |
| Mortgage valuation | £0–£300 | Lender’s risk view | Confirming lending security only |
When people use a postcode valuation
- Before you list. Walk into the agent appointment already knowing what the street sells for.
- Before you offer. Compare the asking price with what the last five sales in that postcode would be worth today.
- Before you remortgage. Estimate your loan-to-value band; dropping under 80% or 75% can cut your rate.
- For probate or a settlement. Get an evidence-based ballpark before commissioning a formal RICS valuation.
House value questions
How much is my house worth?
Enter your postcode above and the calculator returns a typical value for homes in that postcode today, split by detached, semi-detached, terraced and flat. It works by taking every sale HM Land Registry has registered in your postcode and indexing each one forward to the latest UK House Price Index month for your local authority, then taking the median. It is free, instant and does not ask for your email address or phone number.
Is this house value calculator accurate?
It is as accurate as public data allows. The sold prices are the actual completion prices registered with HM Land Registry, and the index is the official UK House Price Index published monthly by HM Land Registry and ONS. What it cannot see is the inside of your home: an extension, a new kitchen, a loft conversion, poor condition or a short lease will move the real figure up or down. Treat it as an evidence-based starting point, then compare it with what similar homes on your street actually sold for.
How is the estimate calculated?
For each registered sale in your postcode we find the House Price Index value for the month it sold and the latest published month for that local authority, both for the matching property type. The sale price is multiplied by the ratio between the two. Sales from the last ten years are weighted into the headline figure where there are enough of them. The median of those indexed values is the estimate, and the range shown is plus or minus 10%.
Can I value a house I do not own?
Yes. Price Paid Data and the House Price Index are both published as open data under the Open Government Licence, so you can check any postcode in England and Wales — useful when you are deciding what to offer on a property or checking whether an asking price is realistic.
How much is my house worth without an estate agent valuation?
An estate agent valuation is free but it is a sales appointment: the agent wants your instruction, so the figure can be optimistic. This calculator uses only registered transaction data, so it has no incentive either way. For a mortgage, probate or a court matter you will still need a RICS surveyor's formal valuation.
Why is my postcode showing no sales?
Some postcodes are new-build developments where nothing has resold yet, or contain only a handful of homes. Try an adjacent postcode on the same street, or use the address search further down the page, which falls back to local authority averages when there is no sale on record.
How often is the data updated?
HM Land Registry publishes Price Paid Data monthly, roughly four weeks after completion, and the UK House Price Index is published mid-month for the month two months prior. We refresh each postcode weekly.
Does this work in Scotland or Northern Ireland?
No. Price Paid Data covers England and Wales only. Scotland's transactions are held by Registers of Scotland and Northern Ireland's by Land & Property Services, which are not part of this dataset.
Sold prices by postcode area
Browse registered sale prices and typical values across every postcode area in England and Wales.