Isleworth house prices
Isleworth has an average sold price of £319,906 across 18,192 HM Land Registry transactions, with data from 1995-01-03 to 2026-08-25.
Isleworth at a glance
Isleworth averages £319,906 across 18,192 completed sales. Check the median, sample depth and nearby alternatives before using the average as a market signal.
Average £319,906 · Median £250,000 · 18,192 transactions · +2.4% growth · 271 streets
- Data window
- 1995 to 2026
- Updated October 2026
- Latest recorded sale
- August 2026
- Most recent HM Land Registry entry for this area
- Sample quality
- High transaction depth
- 18,192 sales across 271 streets
- Median check
- £250,000
- Mean and median differ enough to inspect outliers
- Trend signal
- +2.4%
- The five-year price movement is +2.4%.
Isleworth House Prices Overview
Postcodes in Isleworth
Top Streets in Isleworth
Frequently Asked Questions
What is the average sale price in Isleworth?v
Isleworth has an average sale price of £319,906 and a median sale price of £250,000, based on 18,192 registered transactions across 32 active years. The average is 20.0% below the national average of £400,016, the median is 36.1% above the national median of £183,750.
How does the median price compare to the average price in Isleworth?v
The median sold price of £250,000 is 21.9% lower than the average of £319,906. This can happen when a smaller number of higher-value transactions pull the average upward.
Which streets in Isleworth have the most recorded sales?v
Among the most active listed streets by transaction count, LONDON ROAD has 912 recorded sales at an average of £293,151; TWICKENHAM ROAD has 542 recorded sales at an average of £360,155; LINKFIELD ROAD has 404 recorded sales at an average of £300,480.
What property types are most common in Isleworth?v
By transaction count, flats represent 42.5% of recorded sales (7,745 transactions) with an average sold price of £238,671; terraced homes represent 29.7% of recorded sales (5,409 transactions) with an average sold price of £345,593; semi-detached homes represent 23.4% of recorded sales (4,260 transactions) with an average sold price of £352,955.
Property valuation guide
Estimate a property value in Isleworth
Professional valuers use recent sold prices as comparable evidence. In Isleworth, the median sold price is £250,000 and the average is £319,906, based on 18,192 HM Land Registry transactions. Over five years, prices have moved +2.4%, which affects how comparables from earlier years should be weighted.
These are historical completed-sale prices — not a formal valuation, asking price or investment advice. Use them to sense-check an asking price or set expectations before instructing a surveyor.
More about Isleworth
Isleworth Annual Median Sold Prices
| Year | Median price | Average price | Sales |
|---|---|---|---|
| 2026 | £483,000 | £517,387 | 219 |
| 2025 | £485,000 | £528,828 | 443 |
| 2024 | £490,000 | £633,567 | 431 |
| 2023 | £490,000 | £540,188 | 373 |
| 2022 | £472,000 | £554,059 | 485 |
| 2021 | £465,000 | £505,513 | 615 |
| 2020 | £462,500 | £505,939 | 428 |
| 2019 | £423,000 | £477,212 | 537 |
| 2018 | £467,500 | £526,459 | 573 |
| 2017 | £425,000 | £509,448 | 618 |
Source: HM Land Registry Price Paid Data. Most recent 10 years shown.