Our Data Sources
33, Onslow Gardens has 21 entries in the Land Registry , most recently in March 2021 and a single entry in the EPC database dated June 2025.
We combine this information with that 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
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 33, Onslow Gardens, we estimate a market value of £3,637,404 and a rental value of £11,006 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £3,221,701 and £9,748 per month respectively.
Energy Efficiency
33, Onslow Gardens has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 11 Jun 2025.
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 33, Onslow Gardens completed on 8th March 2021 at £4,250,000 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 32.7% over the period since March 2021.
- Sold Mar 2021£4,250,000
- Sold Oct 2003£875,000
Similar Properties Sold Nearby
Over the past 2 years 21 properties similar to 33, Onslow Gardens have sold within a radius of 250 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 25th July 2025, was Flat 1, 42, Onslow Gardens, London, SW7 3PY, a leasehold flat which sold for £3,000,000.
Read more about house prices in SW7.
- Sold Jul 2025£3,000,000 | 3 Bed FlatFlat 1, 42, Onslow Gardens, London, SW7 3PYFlat 1, 42, Onslow Gardens, London, SW7 3PY
- Sold Apr 2024£4,100,000 | 3 Bed Flat44, Rose Square, London, SW3 6RS44, Rose Square, London, SW3 6RS
- Sold Jun 2022£3,500,000 | 3 Bed Flat65, Rose Square, London, SW3 6RS65, Rose Square, London, SW3 6RS
•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, 33, Onslow Gardens comes out as the 40th largest and the 38th most expensive in our analysis of the public data.
It is also £1.372m 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 superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












