Our Data Sources
Flat 1, 30, 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 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For Flat 1, 30, Onslow Gardens, we estimate a market value of £2,963,833 and a rental value of £10,965 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,625,109 and £9,712 per month respectively.
Energy Efficiency
Flat 1, 30, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Nov 2016.
The property is connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of Flat 1, 30, Onslow Gardens completed on 31st December 2016 at £3,000,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold 4 times.
Values of comparable properties have dropped by 37.2% over the period since December 2016.
- Sold Dec 2016£3,000,000
- Sold Aug 2005£1,120,000
- Sold Feb 2005£1,100,000
Similar Properties Sold Nearby
Over the past 2 years 32 properties similar to Flat 1, 30, Onslow Gardens have sold within a radius of 240 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 15th August 2025, was Flat 10, 81, Onslow Square, London, SW7 3LT, a leasehold flat which sold for £2,500,000.
Read more about house prices in SW7.
- Sold Aug 2025£2,500,000 | 3 Bed FlatFlat 10, 81, Onslow Square, London, SW7 3LTFlat 10, 81, Onslow Square, London, SW7 3LT
- Sold Dec 2023£2,841,500 | 3 Bed Flat62, Rose Square, London, SW3 6RS62, Rose Square, London, SW3 6RS
- Sold Jun 2021£3,325,000 | 3 Bed FlatFlat 4, 81, Onslow Square, London, SW7 3LTFlat 4, 81, Onslow Square, London, SW7 3LT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 504 addresses on Onslow Gardens, London, SW7, Flat 1, 30, Onslow Gardens comes out as the 94th largest and the 69th most expensive in our analysis of the public data.
It is also £731k more expensive than the average property across the SW7 district.
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Schools Nearby
- Our Lady of Victories RC Primary School200 m away
- Oratory Roman Catholic Primary School500 m away
- Bousfield Primary School700 m away
- St. Thomas More Language College1.0 km away
- Chelsea Academy1.6 km away
- The London Oratory School1.6 km away
More reading links
Public Transport Nearby
- South Kensington|300 m away
- Gloucester Road|500 m away
- Earl's Court|1.1 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
