Our Data Sources
4, Onslow Square has no records in the Land Registry and a single entry in the EPC database dated November 2020.
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
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 4, Onslow Square, we estimate a market value of £4,440,779 and a rental value of £13,959 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £3,933,261 and £12,364 per month respectively.
Energy Efficiency
4, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 03 Nov 2020.
The property is connected to mains gas and has single glazed windows. It is heated using community scheme.
Similar Properties Sold Nearby
Since 2010 11 properties similar to 4, Onslow Square have sold within a radius of 280 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 4th April 2025, was 47, Rose Square, London, SW3 6RS, a leasehold flat which sold for £3,500,000.
Read more about house prices in SW7.
- Sold Apr 2025£3,500,000 | 3 Bed Flat47, Rose Square, London, SW3 6RS47, Rose Square, London, SW3 6RS
- Sold Sep 2024£3,700,000 | 4 Bed Flat2, Onslow Square, London, SW7 3NP2, Onslow Square, London, SW7 3NP
- Sold Apr 2024£4,100,000 | 3 Bed Flat44, Rose Square, London, SW3 6RS44, Rose Square, London, SW3 6RS
- Sold Jul 2023£3,750,000 | 4 Bed FlatFlat 2, 43, Onslow Square, London, SW7 3LRFlat 2, 43, Onslow Square, London, SW7 3LR
- Sold Sep 2021£4,100,000 | 4 Bed FlatFlat 3, 43, Onslow Square, London, SW7 3LRFlat 3, 43, Onslow Square, London, SW7 3LR
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £2,428,043, ranging from £1,676,519 to £4,920,959.
- 2 Onslow Square
4 Bed Flat | 6 m | Est. Value: £3,683,416
- Flat 8, 6 Onslow Square
3 Bed Flat | 8 m | Est. Value: £2,144,454
- Flat 5, 6 Onslow Square
3 Bed Flat | 8 m | Est. Value: £1,754,759
- Flat 1, 6 Onslow Square
3 Bed Flat | 8 m | Est. Value: £1,914,471
- Flat 6, 6 Onslow Square
3 Bed Flat | 8 m | Est. Value: £2,132,566
Location Comparison
Of the 321 addresses on Onslow Square, London, SW7, 4, Onslow Square comes out as the 19th largest and the 29th most expensive in our analysis of the public data.
It is also £2.167m more expensive than the average property across the SW7 district.
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Schools Nearby
- Oratory Roman Catholic Primary School300 m away
- Our Lady of Victories RC Primary School500 m away
- Marlborough Primary School500 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.7 km away
- The London Oratory School1.8 km away
More reading links
Public Transport Nearby
- South Kensington|200 m away
- Gloucester Road|700 m away
- Knightsbridge|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 available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
