Our Data Sources
Flat 1, 28, Onslow Gardens 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 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Flat 1, 28, Onslow Gardens would be worth £1,603,650, with a potential rental value of £6,759 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,420,376, with a rental value of £5,987 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 1, 28, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Mar 2025.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
Flat 1, 28, Onslow Gardens last changed hands on 12th September 2017, selling for £2,045,000. 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 35.1% since September 2017.
- Sold Sep 2017£2,045,000
- Sold Aug 2006£1,450,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 11 sales of comparable properties within 240 metres of Flat 1, 28, Onslow Gardens across the last 2 years.
Most recently, Flat 1, 147, Gloucester Road, London, SW7 4TH, a leasehold flat, sold at £1,700,000 on the 2nd September 2025.
Read more about house prices in SW7.
- Sold Sep 2025£1,700,000 | 3 Bed FlatFlat 1, 147, Gloucester Road, London, SW7 4THFlat 1, 147, Gloucester Road, London, SW7 4TH
- Sold Jan 2023£1,625,000 | 3 Bed FlatFlat 1, 66, Onslow Gardens, London, SW7 3QBFlat 1, 66, Onslow Gardens, London, SW7 3QB
- Sold May 2022£2,000,000 | 3 Bed FlatFlat 3, 49, Onslow Gardens, London, SW7 3QFFlat 3, 49, Onslow Gardens, London, SW7 3QF
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 1, 28, Onslow Gardens as the 112th largest and the 215th most expensive of the 504 addresses on Onslow Gardens, London, SW7.
Against the SW7 postcode district average, it is £565k less expensive than the typical property.
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Schools Nearby
- Our Lady of Victories RC Primary School200 m away
- Oratory Roman Catholic Primary School500 m away
- Bousfield Primary School600 m away
- St. Thomas More Language College1.1 km away
- Chelsea Academy1.5 km away
- The London Oratory School1.6 km away
More reading links
Public Transport Nearby
- South Kensington|400 m away
- Gloucester Road|500 m away
- Earl's Court|1.1 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
