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.
UPPER FLAT is a very small semi-detached house of 48m², built sometime between 1900 and 1929, which could now be worth an estimated £319,572. It was last sold for £162,000 in November 2009, which was around 48% below the average November 2009 semi-detached price in the Windsor and Maidenhead local authority area. The most recent EPC inspection was September 2020, where the current energy rating was C, and the potential energy rating was C.
Land registry data shows one sale for UPPER FLAT since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Windsor and Maidenhead 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 |
|---|---|---|---|
2009 20 NOV | £162,000 | £310,707 | 48% below HPI |
UPPER FLAT might now be worth an estimated £319,572.
This is based on house price inflation of 97.3%, between November 2009 and May 2026, for semi-detached houses, in the Windsor and Maidenhead local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 97.3% inflationary increase is applied to the most recent sale price for UPPER FLAT of £162,000 on 20th November 2009. For the value to have increased from £162,000 to £319,572 over the seventeen years and six months to May 2026, the following assumptions must hold true:
UPPER FLAT is 48m² according to the EPC inspection conducted in September 2020. This puts it in the smallest 10% of semi-detached houses in Windsor, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Windsor, and where UPPER FLAT lies on this distribution: 1% of semi-detached houses are smaller than UPPER FLAT, and 99% of semi-detached houses are larger. Note that EPC data is not available for all properties in Windsor.

UPPER FLAT sits on a plot of roughly 0.028 of an acre, or 115m².
Most recent sales first: