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.
40 WINDMILL ROAD is a large detached house of 179m², built sometime between 1991 and 1995, which could now be worth an estimated £772,470. It was last sold for £780,000 in November 2025, which was around 9% above the average November 2025 detached price in the West Berkshire local authority area. The most recent EPC inspection was May 2024, where the current energy rating was D, and the potential energy rating was D.
Land registry data shows one sale for 40 WINDMILL ROAD 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 |
|---|---|---|---|
2025 6 NOV | £780,000 | £716,780 | 9% above HPI |
40 WINDMILL ROAD might now be worth an estimated £772,470.
This is based on house price deflation of 1%, between November 2025 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 1% deflationary decrease is applied to the most recent sale price for 40 WINDMILL ROAD of £780,000 on 6th November 2025. For the value to have decreased from £780,000 to £772,470 over the one year and six months to May 2026, the following assumptions must hold true:
40 WINDMILL ROAD is 179m² according to the EPC inspection conducted in May 2024. This puts it in the largest 30% of detached houses in Mortimer, based on EPC data. The below chart shows the distribution of detached houses by size in Mortimer, and where 40 WINDMILL ROAD lies on this distribution: 70% of detached houses are smaller than 40 WINDMILL ROAD, and 30% of detached houses are larger. Note that EPC data is not available for all properties in Mortimer.

40 WINDMILL ROAD sits on a plot of roughly 0.190 of an acre, or 767m².
40 WINDMILL ROAD is located in MORTIMER COMMON, in the RG7 postcode district.
Most recent sales first: