Our Data Sources
21, Onslow Road, Richmond has 21 entries in the Land Registry, most recently in May 2025 and a single entry in the EPC database dated October 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 21, Onslow Road, Richmond, we estimate a market value of £4,026,778 and a rental value of £9,636 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £3,566,575 and £8,534 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Onslow Road, Richmond as measuring 292 m2.
That makes it the 10th largest plot in the postcode, where all 17 other houses have recorded plot data.
Energy Efficiency
21, Onslow Road, Richmond has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 10 Oct 2024.
The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 21, Onslow Road, Richmond completed on 22nd May 2025 at £4,080,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 33.2% over the period since May 2025.
- Sold May 2025£4,080,000
- Sold Aug 1997£650,000
Similar Properties Sold Nearby
Since 2009 47 properties similar to 21, Onslow Road, Richmond have sold within a radius of 340 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 31st March 2026, was 16, Onslow Road, Richmond, TW10 6QF, a freehold house which sold for £3,900,000.
Read more about house prices in TW10.
- Sold Mar 2026£3,900,000 | 5 Bed House16, Onslow Road, Richmond, TW10 6QF16, Onslow Road, Richmond, TW10 6QF
- Sold Nov 2025£3,200,000 | 5 Bed House6, Park Road, Richmond, TW10 6NS6, Park Road, Richmond, TW10 6NS
- Sold Feb 2025£4,100,000 | 5 Bed House5, Chislehurst Road, Richmond, TW10 6PW5, Chislehurst Road, Richmond, TW10 6PW
- Sold Feb 2024£3,800,000 | 5 Bed House44, Kings Road, Richmond, TW10 6NW44, Kings Road, Richmond, TW10 6NW
- Sold Mar 2023£4,000,000 | 6 Bed House28, Friars Stile Road, Richmond, TW10 6NE28, Friars Stile Road, Richmond, TW10 6NE
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £2,423,290, ranging from £548,590 to £4,595,054.
- 19 Onslow Road
5 Bed House | 9 m | Est. Value: £3,667,400
- 23 Onslow Road
6 Bed House | 10 m | Est. Value: £4,595,054
- 17 Onslow Road
5 Bed House | 16 m | Est. Value: £3,479,373
- 23C Onslow Road
4 Bed House | 20 m | Est. Value: £2,769,468
- 15A Onslow Road
2 Bed Flat | 25 m | Est. Value: £615,397
Location Comparison
Of the 149 addresses on Onslow Road, Richmond, TW10, 21, Onslow Road, Richmond comes out as the 6th largest and the 4th most expensive in our analysis of the public data.
It is also £2.678m more expensive than the average property across the TW10 district.
More reading links
Schools Nearby
- The Vineyard School300 m away
- St Elizabeth's Catholic Primary School400 m away
- Marshgate Primary School800 m away
- Christ's Church of England Comprehensive Secondary School700 m away
- Orleans Park School1.7 km away
- Grey Court School2.2 km away
More reading links
Public Transport Nearby
- Richmond (London)|700 m away
- Richmond|800 m away
- North Sheen|1.3 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












