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.
121 HIGHDOWN is a very large extended semi-detached house of 145m², built sometime between 1930 and 1949, which could now be worth an estimated £861,154. It was last sold for £760,000 in April 2021, which was around 10% above the average April 2021 semi-detached price in the Kingston upon Thames local authority area. The most recent EPC inspection was September 2020, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows one sale for 121 HIGHDOWN since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Kingston upon Thames 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 |
|---|---|---|---|
2021 23 APR | £760,000 | £689,166 | 10% above HPI |
121 HIGHDOWN might now be worth an estimated £861,154.
This is based on house price inflation of 13.3%, between April 2021 and April 2026, for semi-detached houses, in the Kingston upon Thames local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 13.3% inflationary increase is applied to the most recent sale price for 121 HIGHDOWN of £760,000 on 23rd April 2021. For the value to have increased from £760,000 to £861,154 over the five years to April 2026, the following assumptions must hold true:
121 HIGHDOWN is 145m², which includes two extensions, according to the EPC inspection conducted in September 2020. This puts it in the largest 20% of semi-detached houses in London, based on EPC data. The below chart shows the distribution of semi-detached houses by size in London, and where 121 HIGHDOWN lies on this distribution: 82% of semi-detached houses are smaller than 121 HIGHDOWN, and 18% of semi-detached houses are larger. Note that EPC data is not available for all properties in London.

121 HIGHDOWN sits on a plot of roughly 0.108 of an acre, or 437m².
121 HIGHDOWN is located in WORCESTER PARK, in the KT4 postcode district.
Most recent sales first: