Our Data Sources
Flat 6, 21, Onslow Gardens has no records in the the Land Registry and a single entry in the EPC database dated September 2019.
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
In very good condition, we estimate Flat 6, 21, Onslow Gardens would be worth £2,430,673, with a potential rental value of £6,818 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £2,152,881, with a rental value of £6,038 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 6, 21, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Sep 2019.
The property is connected to mains gas and has mostly secondary glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 18 sales of comparable properties within 230 metres of Flat 6, 21, Onslow Gardens across the last 2 years.
Most recently, Flat 3, 16, Cranley Gardens, London, SW7 3DA, a leasehold flat, sold at £2,700,000 on the 2nd June 2025.
Read more about house prices in SW7.
- Sold Jun 2025£2,700,000 | 2 Bed FlatFlat 3, 16, Cranley Gardens, London, SW7 3DAFlat 3, 16, Cranley Gardens, London, SW7 3DA
- Sold Jan 2024£2,160,000 | 2 Bed FlatFlat 3, 24, Onslow Gardens, London, SW7 3ALFlat 3, 24, Onslow Gardens, London, SW7 3AL
- 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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Location Comparison
Our analysis of the public data ranks Flat 6, 21, Onslow Gardens as the 175th largest and the 100th most expensive of the 504 addresses on Onslow Gardens, London, SW7.
Against the SW7 postcode district average, it is £223k more expensive than the typical property.
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Schools Nearby
- Our Lady of Victories RC Primary School300 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 School1.5 km away
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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 superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
