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.
40C WINDMILL HILL is a large flat of 67m², built sometime between 1950 and 1966, which could now be worth an estimated £407,352. It was last sold for £415,000 in December 2025, which was around 43% above the average December 2025 flat price in the Hillingdon local authority area. The most recent EPC inspection was May 2016, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows three sales for 40C WINDMILL HILL since 1st January 1995. The below table shows the price paid for the three sales, along with the average flat price in the Hillingdon local authority area for the corresponding sale date. All of the three 40C WINDMILL HILL sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2025 19 DEC | £415,000 | £290,286 | 43% above HPI |
2017 10 NOV | £350,000 | £291,586 | 20% above HPI |
1996 11 JUL | £67,500 | £55,895 | 21% above HPI |
40C WINDMILL HILL might now be worth an estimated £407,352.
This is based on house price deflation of 1.8%, between December 2025 and April 2026, for flats, in the Hillingdon local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 1.8% deflationary decrease is applied to the most recent sale price for 40C WINDMILL HILL of £415,000 on 19th December 2025. For the value to have decreased from £415,000 to £407,352 over the one year and eight months to April 2026, the following assumptions must hold true:
40C WINDMILL HILL is 67m² according to the EPC inspection conducted in May 2016. This puts it in the largest 30% of flats in Ruislip, based on EPC data. 69% of flats are smaller than 40C WINDMILL HILL, and 28% of flats are larger. Note that EPC data is not available for all properties in Ruislip.
40C WINDMILL HILL sits on a plot of roughly 0.218 of an acre, or 881m².
40C WINDMILL HILL is located in RUISLIP, in the HA4 postcode district.
Most recent sales first: