21, GROSVENOR ROAD, TWICKENHAM, TW1 4AD - £340,000

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 GROSVENOR ROAD is a very small extended detached house of 34m², built sometime between 1900 and 1929, which could now be worth an estimated £408,447. It was last sold for £340,000 in April 2015, which was around 75% below the average April 2015 detached price in the Richmond upon Thames local authority area. The most recent EPC inspection was February 2015, where the current energy rating was D, and the potential energy rating was C.

21 GROSVENOR ROAD Sold Prices

Land registry data shows two sales for 21 GROSVENOR ROAD since 1^st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Richmond upon Thames local authority area for the corresponding sale date. Both of the two 21 GROSVENOR ROAD 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
2015 24 APR	£340,000	£1,355,100	75% below HPI
2001 23 APR	£127,000	£535,034	76% below HPI

21 GROSVENOR ROAD Price Paid vs. HPI Average

The below graph shows the average detached house price in the Richmond upon Thames local authority area over time, sourced from the HPI. The two 21 GROSVENOR ROAD sales from April 2001 and April 2015 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 April 2001 sale was for 76% below the HPI. So the extrapolation line tracks at 76% below the HPI over time, until the April 2015 sale, where it rises to 75% below the HPI. The line then continues to track at 75% below the HPI.

What might 21 GROSVENOR ROAD be worth now?

21 GROSVENOR ROAD might now be worth an estimated £408,447.

This is based on house price inflation of 20.1%, between April 2015 and December 2024, for detached houses, in the Richmond upon Thames local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 20.1% inflationary increase is applied to the most recent sale price for 21 GROSVENOR ROAD of £340,000 on 24th April 2015. For the value to have increased from £340,000 to £408,447 over the eight years and four months to December 2024, the following assumptions must hold true:

• The value of 21 GROSVENOR ROAD has moved in line with the HPI for detached houses in the Richmond upon Thames local authority area.
• The April 2015 sale price of £340,000 represented a fair market value for the property.
• The size, condition, and specification of 21 GROSVENOR ROAD has not materially changed since April 2015.

How Large is 21 GROSVENOR ROAD?

21 GROSVENOR ROAD is 34m², which includes one extension, according to the EPC inspection conducted in February 2015. This puts it in the smallest 10% of detached houses houses in Twickenham, based on EPC data. The below chart shows the distribution of detached houses houses by size in Twickenham, and where 21 GROSVENOR ROAD lies on this distribution: Less than 1% of detached houses houses are smaller than 21 GROSVENOR ROAD, and more than 99% of houses are larger. Note that EPC data is not available for all properties in Twickenham.

21 GROSVENOR ROAD: Plot and Title Map

21 GROSVENOR ROAD sits on a plot of roughly 0.061 of an acre, or 245m². The below map shows the location of 21 GROSVENOR ROAD, 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 GROSVENOR ROAD). 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 GROSVENOR ROAD?

21 GROSVENOR ROAD is located in TWICKENHAM, in the TW1 postcode district. The below map shows the position of No. 21 on GROSVENOR ROAD.