Our Data Sources
3 Onslow Avenue Mansions, Onslow Avenue, Richmond has no recent1 records in the Land Registry and a single entry in the EPC database dated January 2020.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 3 Onslow Avenue Mansions, Onslow Avenue, Richmond would be worth £743,100, with a potential rental value of £2,927 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £658,174, with a rental value of £2,593 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
3 Onslow Avenue Mansions, Onslow Avenue, Richmond has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 30 Jan 2020.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
3 Onslow Avenue Mansions, Onslow Avenue, Richmond last changed hands on 1st August 1996, selling for £116,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
- Sold Aug 1996£116,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 180 sales of comparable properties within 350 metres of 3 Onslow Avenue Mansions, Onslow Avenue, Richmond since 2013.
Most recently, Flat 2, 98, Church Road, Richmond, TW10 6LW, a leasehold flat, sold at £875,000 on the 10th April 2026.
Read more about house prices in TW10.
- Sold Apr 2026£875,000 | 2 Bed FlatFlat 2, 98, Church Road, Richmond, TW10 6LWFlat 2, 98, Church Road, Richmond, TW10 6LW
- Sold Apr 2026£615,000 | 2 Bed Flat44, Richmond Hill Court, Richmond, TW10 6BE44, Richmond Hill Court, Richmond, TW10 6BE
- Sold Nov 2025£747,000 | 2 Bed Flat68, Richmond Hill Court, Richmond, TW10 6BE68, Richmond Hill Court, Richmond, TW10 6BE
- Sold Oct 2025£630,000 | 2 Bed Flat9, Ridgway, Richmond, TW10 6PR9, Ridgway, Richmond, TW10 6PR
- Sold Aug 2025£650,000 | 2 Bed FlatFlat 4, 44, Onslow Road, Richmond, TW10 6QEFlat 4, 44, Onslow Road, Richmond, TW10 6QE
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 £1,876,268, ranging from £700,206 to £2,920,415.
- 5 Onslow Avenue
5 Bed House | 2 m | Est. Value: £2,878,781
- 5 Onslow Avenue Mansions Onslow Avenue
2 Bed Flat | 2 m | Est. Value: £707,714
- 1 Onslow Avenue
5 Bed House | 5 m | Est. Value: £2,920,415
- 1 Onslow Avenue Mansions Onslow Avenue
2 Bed Flat | 5 m | Est. Value: £700,206
- 4 Onslow Avenue Mansions Onslow Avenue
3 Bed Flat | 18 m | Est. Value: £937,254
Location Comparison
Our analysis of the public data ranks 3 Onslow Avenue Mansions, Onslow Avenue, Richmond as the 43rd largest and the 43rd most expensive of the 60 addresses on Onslow Avenue, Richmond, TW10.
Against the TW10 postcode district average, it is £449k less expensive than the typical property.
More reading links
Schools Nearby
- The Vineyard School500 m away
- St Elizabeth's Catholic Primary School600 m away
- Marshgate Primary School700 m away
- Christ's Church of England Comprehensive Secondary School700 m away
- Orleans Park School1.8 km away
- Grey Court School2.3 km away
More reading links
Public Transport Nearby
- Richmond (London)|600 m away
- Richmond|600 m away
- North Sheen|1.2 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow or No Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





