11, HEATHSIDE, HOUNSLOW, TW4 5NJ - £250,000

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.

11 HEATHSIDE is a small extended semi-detached house of 84m², built sometime between 1930 and 1949, which could now be worth an estimated £618,951. It was last sold for £250,000 in August 2004, which was around 47% below the average August 2004 semi-detached price in the Richmond upon Thames local authority area. The most recent EPC inspection was May 2026, where the current energy rating was D, and the potential energy rating was C.

11 HEATHSIDE Sold Prices

Land registry data shows one sale for 11 HEATHSIDE since 1^st January 1995. The below table shows the price paid for the one sale, along with the average semi-detached price in the Richmond upon Thames 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
2004 20 AUG	£250,000	£468,381	47% below HPI

What might 11 HEATHSIDE be worth now?

11 HEATHSIDE might now be worth an estimated £618,951.

This is based on house price inflation of 147.6%, between August 2004 and May 2026, for semi-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 147.6% inflationary increase is applied to the most recent sale price for 11 HEATHSIDE of £250,000 on 20th August 2004. For the value to have increased from £250,000 to £618,951 over the 22 years and three months to May 2026, the following assumptions must hold true:

• The value of 11 HEATHSIDE has moved in line with the HPI for semi-detached houses in the Richmond upon Thames local authority area.
• The August 2004 sale price of £250,000 represented a fair market value for the property.
• The size, condition, and specification of 11 HEATHSIDE has not materially changed since August 2004.

How Large is 11 HEATHSIDE?

11 HEATHSIDE is 84m², which includes one extension, according to the EPC inspection conducted in May 2026. This puts it in the smallest 30% of semi-detached houses in Twickenham, based on EPC data. The below chart shows the distribution of semi-detached houses by size in Twickenham, and where 11 HEATHSIDE lies on this distribution: 21% of semi-detached houses are smaller than 11 HEATHSIDE, and 78% of semi-detached houses are larger. Note that EPC data is not available for all properties in Twickenham.

11 HEATHSIDE: Plot

11 HEATHSIDE sits on a plot of roughly 0.140 of an acre, or 568m².

Where is 11 HEATHSIDE?

11 HEATHSIDE is located in HOUNSLOW, in the TW4 postcode district.