Our Data Sources
1A, Onslow Gardens has no recent1 records in the the Land Registry and a single entry in the EPC database dated January 2021.
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
In very good condition, we estimate 1A, Onslow Gardens would be worth £3,745,442, with a potential rental value of £9,718 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £3,317,391, with a rental value of £8,607 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
1A, Onslow Gardens has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 18 Jan 2021.
The property is connected to mains gas and has some double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
1A, Onslow Gardens last changed hands on 9th December 2005, selling for £1,726,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold twice since 1995.
- Sold Dec 2005£1,726,000
- Sold Jun 2000£900,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 22 sales of comparable properties within 260 metres of 1A, Onslow Gardens across the last 2 years.
Most recently, Flat 5, 21, Onslow Gardens, London, SW7 3AL, a leasehold flat, sold at £3,700,000 on the 13th February 2026.
Read more about house prices in SW7.
- Sold Feb 2026£3,700,000 | 3 Bed FlatFlat 5, 21, Onslow Gardens, London, SW7 3ALFlat 5, 21, Onslow Gardens, London, SW7 3AL
- Sold Jun 2022£3,500,000 | 3 Bed Flat65, Rose Square, London, SW3 6RS65, Rose Square, London, SW3 6RS
- Sold Feb 2020£3,870,000 | 3 Bed Flat68, Rose Square, London, SW3 6RS68, Rose Square, London, SW3 6RS
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 1A, Onslow Gardens as the 48th largest and the 33rd most expensive of the 504 addresses on Onslow Gardens, London, SW7.
Against the SW7 postcode district average, it is £1.475m more expensive than the typical property.
More reading links
Schools Nearby
- Our Lady of Victories RC Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Bousfield Primary School700 m away
- St. Thomas More Language College1.0 km away
- Chelsea Academy1.5 km away
- The London Oratory School1.6 km away
More reading links
Public Transport Nearby
- South Kensington|300 m away
- Gloucester Road|600 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 is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












