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 BLACKDOWN ROAD is a large extended detached house of 165m², built sometime between 1967 and 1975, which could now be worth an estimated £773,807. It was last sold for £652,500 in October 2020, which was around 31% above the average October 2020 detached price in the Solihull local authority area. The most recent EPC inspection was July 2015, where the current energy rating was E, and the potential energy rating was C.
Land registry data shows one sale for 21 BLACKDOWN ROAD since 1st January 1995. The below table shows the price paid for the one sale, along with the average detached price in the Solihull 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 |
|---|---|---|---|
2020 29 OCT | £652,500 | £496,429 | 31% above HPI |
21 BLACKDOWN ROAD might now be worth an estimated £773,807.
This is based on house price inflation of 18.6%, between October 2020 and April 2026, for detached houses, in the Solihull local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 18.6% inflationary increase is applied to the most recent sale price for 21 BLACKDOWN ROAD of £652,500 on 29th October 2020. For the value to have increased from £652,500 to £773,807 over the six years and six months to April 2026, the following assumptions must hold true:
21 BLACKDOWN ROAD is 165m², which includes three extensions, according to the EPC inspection conducted in July 2015. This puts it in the largest 30% of detached houses in Knowle, based on EPC data. The below chart shows the distribution of detached houses by size in Knowle, and where 21 BLACKDOWN ROAD lies on this distribution: 74% of detached houses are smaller than 21 BLACKDOWN ROAD, and 25% of detached houses are larger. Note that EPC data is not available for all properties in Knowle.

21 BLACKDOWN ROAD sits on a plot of roughly 0.162 of an acre, or 656m².
21 BLACKDOWN ROAD is located in KNOWLE, in the B93 postcode district.
Most recent sales first: