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.
18 THE RIDGEWAY is a large extended semi-detached house of 124m², built sometime between 1950 and 1966, which could now be worth an estimated £619,879. It was last sold for £355,000 in August 2007, which was around 29% above the average August 2007 semi-detached price in the Buckinghamshire local authority area. The most recent EPC inspection was November 2022, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows one sale for 18 THE RIDGEWAY since 1st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Buckinghamshire 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 |
|---|---|---|---|
2007 31 AUG | £355,000 | £274,418 | 29% above HPI |
18 THE RIDGEWAY might now be worth an estimated £619,879.
This is based on house price inflation of 74.6%, between August 2007 and May 2026, for semi-detached houses, in the Buckinghamshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 74.6% inflationary increase is applied to the most recent sale price for 18 THE RIDGEWAY of £355,000 on 31st August 2007. For the value to have increased from £355,000 to £619,879 over the nineteen years and three months to May 2026, the following assumptions must hold true:
18 THE RIDGEWAY is 124m², which includes four extensions, according to the EPC inspection conducted in November 2022. This puts it in the largest 30% of semi-detached houses in Marlow, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Marlow, and where 18 THE RIDGEWAY lies on this distribution: 71% of semi-detached houses are smaller than 18 THE RIDGEWAY, and 28% of semi-detached houses are larger. Note that EPC data is not available for all properties in Marlow.

18 THE RIDGEWAY sits on a plot of roughly 0.071 of an acre, or 289m².
18 THE RIDGEWAY is located in MARLOW, in the SL7 postcode district.
Most recent sales first: