The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.
1 WILLIAMSON CLOSE is a very small detached house of 103m², built sometime between 2007 and 2011, which could now be worth an estimated £688,792. It was last sold for £399,950 in February 2011, which was around 3% below the average February 2011 detached price in the West Berkshire local authority area. The most recent EPC inspection was February 2025, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 1 WILLIAMSON CLOSE since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the West Berkshire local authority area for the corresponding sale date. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2011 25 FEB | £399,950 | £412,183 | 3% below HPI |
1 WILLIAMSON CLOSE might now be worth an estimated £688,792.
This is based on house price inflation of 72.2%, between February 2011 and May 2026, for detached houses, in the West Berkshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 72.2% inflationary increase is applied to the most recent sale price for 1 WILLIAMSON CLOSE of £399,950 on 25th February 2011. For the value to have increased from £399,950 to £688,792 over the fourteen years and nine months to May 2026, the following assumptions must hold true:
1 WILLIAMSON CLOSE is 103m² according to the EPC inspection conducted in February 2025. This puts it in the smallest 20% of detached houses in Mortimer, based on EPC data. The below chart shows the distribution of detached houses by size in Mortimer, and where 1 WILLIAMSON CLOSE lies on this distribution: 18% of detached houses are smaller than 1 WILLIAMSON CLOSE, and 82% of detached houses are larger. Note that EPC data is not available for all properties in Mortimer.

1 WILLIAMSON CLOSE sits on a plot of roughly 0.060 of an acre, or 243m².
1 WILLIAMSON CLOSE is located in MORTIMER COMMON, in the RG7 postcode district.
Most recent sales first: