Our Data Sources
Flat 4, 97, Onslow Square has a single entry in the Land Registry from May 2019 and a single entry in the EPC database dated April 2019.
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.
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 4, 97, Onslow Square, we estimate a market value of £5,455,012 and a rental value of £20,787 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £4,831,582 and £18,412 per month respectively.
Energy Efficiency
Flat 4, 97, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Apr 2019.
The property is not connected to mains gas and has some secondary glazing. It is heated using community scheme.
Sold Prices
The most recent sale of Flat 4, 97, Onslow Square completed on 17th May 2019 at £5,575,497 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 23.9% over the period since May 2019.
- Sold May 2019£5,575,497
Similar Properties Sold Nearby
Since 2023 2 properties similar to Flat 4, 97, Onslow Square have sold within a radius of 250 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 17th January 2025, was Flat 12, 9-11 , Manson Place, London, SW7 5LT, a leasehold flat which sold for £930,000.
Read more about house prices in SW7.
- Sold Jan 2025£930,000 | 4 Bed FlatFlat 12, 9-11 , Manson Place, London, SW7 5LTFlat 12, 9-11 , Manson Place, London, SW7 5LT
- Sold Jan 2023£5,500,000 | 4 Bed FlatFlat 9, 105, Onslow Square, London, SW7 3LUFlat 9, 105, Onslow Square, London, SW7 3LU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £2,041,351, ranging from £1,033,065 to £2,962,044.
- Flat 9, 97 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,603,900
- Flat 10, 97 Onslow Square
4 Bed Flat | 0 m | Est. Value: £2,906,884
- 97A Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,756,152
- Flat 1, 97 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,830,078
- Flat 7, 97 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,982,640
Location Comparison
Of the 321 addresses on Onslow Square, London, SW7, Flat 4, 97, Onslow Square comes out as the 2nd largest and the 12th most expensive in our analysis of the public data.
It is also £3.133m more expensive than the average property across the SW7 district.
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Schools Nearby
- Our Lady of Victories RC Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Marlborough Primary School700 m away
- St. Thomas More Language College1.0 km away
- Chelsea Academy1.6 km away
- The London Oratory School1.7 km away
More reading links
Public Transport Nearby
- South Kensington|300 m away
- Gloucester Road|500 m away
- Earl's Court|1.2 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.












