Our Data Sources
Flat 9, 97, Onslow Square has no records in the Land Registry and a single entry in the EPC database dated October 2023.
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
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 9, 97, Onslow Square is in very good condition we estimate a sale value of £1,684,095 and a rental value of £6,294 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,491,627 and a rental value of £5,575 per month.
Energy Efficiency
Flat 9, 97, Onslow Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 13 Oct 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 44 sales of properties similar to Flat 9, 97, Onslow Square within a radius of 250 metres since 2012.
The most recent example is Flat 12, 35, Onslow Gardens, London, SW7 3PY, a leasehold flat which sold for £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 Jul 2025£1,850,000 | 3 Bed FlatFlat 3, 115B , Queen's Gate, London, SW7 5LPFlat 3, 115B , Queen's Gate, London, SW7 5LP
- Sold Mar 2025£1,300,000 | 3 Bed FlatFlat 18, Melton Court, Onslow Crescent, London, SW7 3JQFlat 18, Melton Court, Onslow Crescent, London, SW7 3JQ
- Sold Nov 2024£2,025,000 | 3 Bed FlatFlat 6, 42, Onslow Gardens, London, SW7 3PYFlat 6, 42, Onslow Gardens, London, SW7 3PY
- Sold Oct 2024£1,895,000 | 2 Bed FlatFlat 2, 38, Onslow Gardens, London, SW7 3PYFlat 2, 38, Onslow Gardens, London, SW7 3PY
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 £2,297,876, 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 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
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Flat 9, 97, Onslow Square is the 212th largest and the 221st most expensive property on the street.
When compared to the postcode district it is £459k less expensive than the average property in SW7.
More reading links
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.












