17, CASTLE AVENUE, DATCHET, SLOUGH, SL3 9BA - £463,000

Based on the January 2025 Price Paid Data (released on 3rd March 2025), the December 2024 House Price Index (released on 19th February 2025), and the January 2025 Energy Performance of Buildings Data (released on 27th February 2025). Sources

17 CASTLE AVENUE is a midsized extended detached house of 128m², built sometime between 1930 and 1949, which could now be worth an estimated £565,035. It was last sold for £463,000 in September 2016, which was around 51% below the average September 2016 detached price in the Windsor and Maidenhead local authority area. The most recent EPC inspection was November 2023, where the current energy rating was E, and the potential energy rating was C.

17 CASTLE AVENUE Sold Prices

Land registry data shows two sales for 17 CASTLE AVENUE since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Windsor and Maidenhead local authority area for the corresponding sale date. Both of the two 17 CASTLE AVENUE sales were for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

Date	Price	HPI Price	Variation from HPI
2016 26 SEP	£463,000	£941,930	51% below HPI
1996 3 MAY	£81,000	£192,704	58% below HPI

17 CASTLE AVENUE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Windsor and Maidenhead local authority area over time, sourced from the HPI. The two 17 CASTLE AVENUE sales from May 1996 and September 2016 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the May 1996 sale was for 58% below the HPI. So the extrapolation line tracks at 58% below the HPI over time, until the September 2016 sale, where it rises to 51% below the HPI. The line then continues to track at 51% below the HPI.

What might 17 CASTLE AVENUE be worth now?

17 CASTLE AVENUE might now be worth an estimated £565,035.

This is based on house price inflation of 22%, between September 2016 and February 2025, for 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 22% inflationary increase is applied to the most recent sale price for 17 CASTLE AVENUE of £463,000 on 26th September 2016. For the value to have increased from £463,000 to £565,035 over the nine years and seven months to February 2025, the following assumptions must hold true:

• The value of 17 CASTLE AVENUE has moved in line with the HPI for detached houses in the Windsor and Maidenhead local authority area.
• The September 2016 sale price of £463,000 represented a fair market value for the property.
• The size, condition, and specification of 17 CASTLE AVENUE has not materially changed since September 2016.

How Large is 17 CASTLE AVENUE?

17 CASTLE AVENUE is 128m², which includes one extension, according to the EPC inspection conducted in November 2023. This puts it in the smallest 50% of detached houses houses in Datchet, based on EPC data. The below chart shows the distribution of detached houses houses by size in Datchet, and where 17 CASTLE AVENUE lies on this distribution: 44% of detached houses houses are smaller than 17 CASTLE AVENUE, and 56% of houses are larger. Note that EPC data is not available for all properties in Datchet.

17 CASTLE AVENUE: Plot and Title Map

17 CASTLE AVENUE sits on a plot of roughly 0.136 of an acre, or 550m². The below map shows the location of 17 CASTLE AVENUE, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 17 CASTLE AVENUE). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.

Where is 17 CASTLE AVENUE?

17 CASTLE AVENUE is located in DATCHET, in the SL3 postcode district. The below map shows the position of No. 17 on CASTLE AVENUE.