Our Data Sources
Flat D, 44, Onslow Gardens has no records in the Land Registry and a single entry in the EPC database dated March 2021.
We combine this information with public data 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.
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 Flat D, 44, Onslow Gardens, we estimate a market value of £3,106,275 and a rental value of £9,552 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,751,272 and £8,460 per month respectively.
Energy Efficiency
Flat D, 44, Onslow Gardens has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 15 Mar 2021.
The property is connected to mains gas and has some double glazing. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2011 27 properties similar to Flat D, 44, Onslow Gardens have sold within a radius of 240 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 22nd September 2025, was 60, Rose Square, London, SW3 6RS, a leasehold flat which sold for £3,650,000.
Read more about house prices in SW7.
- Sold Sep 2025£3,650,000 | 3 Bed Flat60, Rose Square, London, SW3 6RS60, Rose Square, London, SW3 6RS
- Sold Aug 2025£2,500,000 | 3 Bed FlatFlat 10, 81, Onslow Square, London, SW7 3LTFlat 10, 81, Onslow Square, London, SW7 3LT
- Sold Jul 2025£2,190,000 | 3 Bed FlatFlat 1, 23, Sumner Place, London, SW7 3EGFlat 1, 23, Sumner Place, London, SW7 3EG
- Sold Mar 2025£3,500,000 | 3 Bed FlatFlat 3, 26, Onslow Gardens, London, SW7 3AGFlat 3, 26, Onslow Gardens, London, SW7 3AG
- Sold Dec 2023£2,841,500 | 3 Bed Flat62, Rose Square, London, SW3 6RS62, Rose Square, London, SW3 6RS
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 £1,943,900, ranging from £649,031 to £3,328,509.
- Flat A
1 Bed Flat | 0 m | Est. Value: £765,502
- Flat C
4 Bed Flat | 0 m | Est. Value: £3,196,260
- 10 Onslow Mews West
3 Bed House | 6 m | Est. Value: £1,794,350
- 43 Onslow Gardens
4 Bed Flat | 8 m | Est. Value: £3,272,714
- 9 Onslow Mews West
3 Bed House | 11 m | Est. Value: £2,102,515
Location Comparison
Of the 504 addresses on Onslow Gardens, London, SW7, Flat D, 44, Onslow Gardens comes out as the 70th largest and the 65th most expensive in our analysis of the public data.
It is also £896k more expensive than the average property across the SW7 district.
More reading links
Schools Nearby
- Our Lady of Victories RC Primary School200 m away
- Oratory Roman Catholic Primary School500 m away
- Bousfield Primary School600 m away
- St. Thomas More Language College1.1 km away
- The London Oratory School1.6 km away
- Chelsea Academy1.6 km away
More reading links
Public Transport Nearby
- South Kensington|400 m away
- Gloucester Road|500 m away
- Earl's Court|1.1 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.





