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.
21 DOWNS ROAD is a very large extended semi-detached house of 128m², built sometime between 2007 and 2011, which could now be worth an estimated £593,371. It was last sold for £185,000 in June 2001, which was around 32% above the average June 2001 semi-detached price in the Slough local authority area. The most recent EPC inspection was March 2024, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 21 DOWNS ROAD since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Slough 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 |
|---|---|---|---|
2001 22 JUN | £185,000 | £140,364 | 32% above HPI |
21 DOWNS ROAD might now be worth an estimated £593,371.
This is based on house price inflation of 220.7%, between June 2001 and May 2026, for semi-detached houses, in the Slough local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 220.7% inflationary increase is applied to the most recent sale price for 21 DOWNS ROAD of £185,000 on 22nd June 2001. For the value to have increased from £185,000 to £593,371 over the 25 years and one month to May 2026, the following assumptions must hold true:
21 DOWNS ROAD is 128m², which includes one extension, according to the EPC inspection conducted in March 2024. This puts it in the largest 20% of semi-detached houses in Slough, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Slough, and where 21 DOWNS ROAD lies on this distribution: 87% of semi-detached houses are smaller than 21 DOWNS ROAD, and 12% of semi-detached houses are larger. Note that EPC data is not available for all properties in Slough.

21 DOWNS ROAD sits on a plot of roughly 0.084 of an acre, or 340m².
21 DOWNS ROAD is located in SLOUGH, in the SL3 postcode district.
Most recent sales first: