Our Data Sources
Flat 7, 52, Onslow Square has no records in the Land Registry and a single entry in the EPC database dated August 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 7, 52, Onslow Square is in very good condition we estimate a sale value of £3,481,759 and a rental value of £9,602 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £3,083,843 and a rental value of £8,505 per month.
Energy Efficiency
Flat 7, 52, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Aug 2023.
The property is connected to mains gas and has single glazed windows. It is heated using community scheme.
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 15 sales of properties similar to Flat 7, 52, Onslow Square within a radius of 260 metres since 2008.
The most recent example is Flat 5, 21, Onslow Gardens, London, SW7 3AL, a leasehold flat which sold for £3,700,000 on the 13th February 2026.
Read more about house prices in SW7.
- Sold Feb 2026£3,700,000 | 4 Bed FlatFlat 5, 21, Onslow Gardens, London, SW7 3ALFlat 5, 21, Onslow Gardens, London, SW7 3AL
- 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 Sep 2024£2,600,000 | 3 Bed Flat38, Rose Square, London, SW3 6RS38, Rose Square, London, SW3 6RS
- Sold Sep 2021£3,500,000 | 3 Bed Flat64, Rose Square, London, SW3 6RS64, Rose Square, London, SW3 6RS
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 £2,723,971, ranging from £1,352,211 to £5,354,093.
- Flat 8, 52 Onslow Square
3 Bed Flat | 0 m | Est. Value: £3,060,245
- Flat 5, 52 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,508,709
- Flat 2, 52 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,736,564
- Flat 1, 52 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,864,227
- Flat 4, 52 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,785,742
Location Comparison
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Flat 7, 52, Onslow Square is the 74th largest and the 45th most expensive property on the street.
When compared to the postcode district it is £1.253m more expensive than the average property in SW7.
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Schools Nearby
- Our Lady of Victories RC Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Marlborough Primary School600 m away
- St. Thomas More Language College900 m 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|600 m away
- Knightsbridge|1.2 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












