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 DOWNSIDE is a large extended semi-detached house of 119m², built sometime between 2007 and 2011, which could now be worth an estimated £608,993. It was last sold for £344,995 in June 2008, which was around 35% above the average June 2008 semi-detached price in the South Oxfordshire local authority area. The most recent EPC inspection was August 2019, where the current energy rating was C, and the potential energy rating was B.
Land registry data shows one sale for 21 DOWNSIDE since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the South Oxfordshire 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 |
|---|---|---|---|
2008 27 JUN | £344,995 | £255,566 | 35% above HPI |
21 DOWNSIDE might now be worth an estimated £608,993.
This is based on house price inflation of 76.5%, between June 2008 and May 2026, for semi-detached houses, in the South Oxfordshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 76.5% inflationary increase is applied to the most recent sale price for 21 DOWNSIDE of £344,995 on 27th June 2008. For the value to have increased from £344,995 to £608,993 over the eighteen years and one month to May 2026, the following assumptions must hold true:
21 DOWNSIDE is 119m², which includes one extension, according to the EPC inspection conducted in August 2019. This puts it in the largest 30% of semi-detached houses in Cholsey, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Cholsey, and where 21 DOWNSIDE lies on this distribution: 77% of semi-detached houses are smaller than 21 DOWNSIDE, and 23% of semi-detached houses are larger. Note that EPC data is not available for all properties in Cholsey.

21 DOWNSIDE sits on a plot of roughly 0.056 of an acre, or 227m².
21 DOWNSIDE is located in CHOLSEY, in the OX10 postcode district.
Most recent sales first: