21, FIRS DRIVE, HOUNSLOW, TW5 9TA - £1,375,000

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

21 FIRS DRIVE is a large extended detached house of 176m², built sometime between 1976 and 1982, which could now be worth an estimated £1,323,441. It was last sold for £1,375,000 in June 2023, which was around 36% above the average June 2023 detached price in the Hounslow local authority area. The most recent EPC inspection was September 2022, where the current energy rating was D, and the potential energy rating was C.

21 FIRS DRIVE Sold Prices

Land registry data shows three sales for 21 FIRS DRIVE since 1^st January 1995. The below table shows the price paid for the three sales, along with the average detached price in the Hounslow local authority area for the corresponding sale date. All of the three 21 FIRS DRIVE sales were for above 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
2023 22 JUN	£1,375,000	£1,007,670	36% above HPI
2011 12 OCT	£750,000	£570,138	32% above HPI
1997 1 OCT	£290,000	£202,311	43% above HPI

21 FIRS DRIVE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Hounslow local authority area over time, sourced from the HPI. The three 21 FIRS DRIVE sales between October 1997 and June 2023 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 October 2011 sale was for 32% above the HPI. So the extrapolation line tracks at 32% above the HPI over time, until the June 2023 sale, where it rises to 36% above the HPI. The line then continues to track at 36% above the HPI.

What might 21 FIRS DRIVE be worth now?

21 FIRS DRIVE might now be worth an estimated £1,323,441.

This is based on house price deflation of 3.7%, between June 2023 and December 2024, for detached houses, in the Hounslow local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 3.7% deflationary decrease is applied to the most recent sale price for 21 FIRS DRIVE of £1,375,000 on 22nd June 2023. For the value to have decreased from £1,375,000 to £1,323,441 over the six months to December 2024, the following assumptions must hold true:

• The value of 21 FIRS DRIVE has moved in line with the HPI for detached houses in the Hounslow local authority area.
• The June 2023 sale price of £1,375,000 represented a fair market value for the property.
• The size, condition, and specification of 21 FIRS DRIVE has not materially changed since June 2023.

How Large is 21 FIRS DRIVE?

21 FIRS DRIVE is 176m², which includes one extension, according to the EPC inspection conducted in September 2022. This puts it in the largest 40% of detached houses houses in London, based on EPC data. The below chart shows the distribution of detached houses houses by size in London, and where 21 FIRS DRIVE lies on this distribution: 66% of detached houses houses are smaller than 21 FIRS DRIVE, and 34% of houses are larger. Note that EPC data is not available for all properties in London.

21 FIRS DRIVE: Plot and Title Map

21 FIRS DRIVE sits on a plot of roughly 0.193 of an acre, or 781m². The below map shows the location of 21 FIRS DRIVE, 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 21 FIRS DRIVE). 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 21 FIRS DRIVE?

21 FIRS DRIVE is located in HOUNSLOW, in the TW5 postcode district. The below map shows the position of No. 21 on FIRS DRIVE.