Our Data Sources
Flat 1, 97, Onslow Square has been updated by Bellfords International. This data along with public information allows us to provide estimates for both this and neighbouring properties.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 1, 97, Onslow Square would be worth £1,921,582, with a potential rental value of £7,611 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,701,973, with a rental value of £6,741 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 1, 97, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 15 Sep 2020.
The property is connected to mains gas and has single glazed windows. It is heated using community scheme.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 36 sales of comparable properties within 250 metres of Flat 1, 97, Onslow Square since 2007.
Most recently, Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat, sold at £1,850,000 on the 6th March 2026.
Read more about house prices in SW7.
- Sold Mar 2026£1,850,000 | 3 Bed FlatFlat 12, 35, Onslow Gardens, London, SW7 3PYFlat 12, 35, Onslow Gardens, London, SW7 3PY
- Sold Jun 2025£2,200,000 | 3 Bed FlatFlat 9, 14, Onslow Square, London, SW7 3NPFlat 9, 14, Onslow Square, London, SW7 3NP
- Sold Nov 2024£2,025,000 | 3 Bed FlatFlat 6, 42, Onslow Gardens, London, SW7 3PYFlat 6, 42, Onslow Gardens, London, SW7 3PY
- Sold Jul 2024£1,975,000 | 3 Bed FlatFlat 10, 14, Onslow Square, London, SW7 3NPFlat 10, 14, Onslow Square, London, SW7 3NP
- Sold Jun 2023£2,650,000 | 3 Bed FlatFlat 3, 6, Onslow Gardens, London, SW7 3LYFlat 3, 6, Onslow Gardens, London, SW7 3LY
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 £2,281,721, ranging from £1,033,065 to £5,195,249.
- Flat 4, 97 Onslow Square
4 Bed Flat | 0 m | Est. Value: £5,195,249
- 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 7, 97 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,982,640
Location Comparison
Our analysis of the public data ranks Flat 1, 97, Onslow Square as the 191st largest and the 167th most expensive of the 321 addresses on Onslow Square, London, SW7.
Against the SW7 postcode district average, it is £233k less expensive than the typical property.
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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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












