Our Data Sources
Flat 8, 25, Onslow Square has 2 entries in the Land Registry, most recently in March 2013 and a single entry in the EPC database dated October 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate Flat 8, 25, Onslow Square would be worth £2,139,551, with a potential rental value of £8,090 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,895,031, with a rental value of £7,165 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 8, 25, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using community scheme.
Sold Prices
Flat 8, 25, Onslow Square last changed hands on 13th March 2013, selling for £3,600,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 8.2% since March 2013.
- Sold Mar 2013£3,600,000
- Sold Jan 2013£2,000,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 28 sales of comparable properties within 280 metres of Flat 8, 25, Onslow Square since 2012.
Most recently, Flat 16, Malvern Court, Onslow Square, London, SW7 3HU, a leasehold flat, sold at £2,288,000 on the 31st July 2024.
Read more about house prices in SW7.
- Sold Jul 2024£2,288,000 | 4 Bed FlatFlat 16, Malvern Court, Onslow Square, London, SW7 3HUFlat 16, Malvern Court, Onslow Square, London, SW7 3HU
- Sold Jun 2024£1,995,000 | 3 Bed FlatFlat 41, Melton Court, Onslow Crescent, London, SW7 3JHFlat 41, Melton Court, Onslow Crescent, London, SW7 3JH
- Sold Sep 2023£2,110,000 | 3 Bed FlatFlat 40, Melton Court, Onslow Crescent, London, SW7 3JQFlat 40, Melton Court, Onslow Crescent, London, SW7 3JQ
- Sold Sep 2022£2,500,000 | 3 Bed FlatFlat 27, Malvern Court, Onslow Square, London, SW7 3HYFlat 27, Malvern Court, Onslow Square, London, SW7 3HY
- Sold Aug 2022£2,300,000 | 3 Bed FlatFlat 71, Melton Court, Onslow Crescent, London, SW7 3JHFlat 71, Melton Court, Onslow Crescent, London, SW7 3JH
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 £1,550,355, ranging from £597,723 to £2,762,531.
- Flat 1A, 25 Onslow Square
1 Bed Flat | 0 m | Est. Value: £597,723
- Flat 6, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £860,033
- Flat 11, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,371,602
- Flat 10, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,014,564
- Flat 12, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,201,933
Location Comparison
Our analysis of the public data ranks Flat 8, 25, Onslow Square as the 75th largest and the 142nd most expensive of the 321 addresses on Onslow Square, London, SW7.
Against the SW7 postcode district average, it is £25k less expensive than the typical property.
More reading links
Schools Nearby
- Oratory Roman Catholic Primary School300 m away
- Marlborough Primary School400 m away
- Our Lady of Victories RC Primary School500 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.8 km away
- The London Oratory School1.9 km away
More reading links
Public Transport Nearby
- South Kensington|200 m away
- Gloucester Road|700 m away
- Knightsbridge|1.0 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.












