Our Data Sources
Flat 4, 25, Onslow Square has no records in the Land Registry and a single entry in the EPC database dated September 2010.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 4, 25, Onslow Square, we estimate a market value of £2,799,957 and a rental value of £10,539 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £2,479,962 and £9,334 per month respectively.
Energy Efficiency
Flat 4, 25, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Sep 2010.
The property is connected to mains gas and has partial double glazing. It is heated using community scheme.
Similar Properties Sold Nearby
Since 2007 12 properties similar to Flat 4, 25, Onslow Square have sold within a radius of 280 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 28th May 2025, was Flat 7, Melton Court, Onslow Crescent, London, SW7 3JQ, a leasehold flat which sold for £2,000,000.
Read more about house prices in SW7.
- Sold May 2025£2,000,000 | 4 Bed FlatFlat 7, Melton Court, Onslow Crescent, London, SW7 3JQFlat 7, Melton Court, Onslow Crescent, London, SW7 3JQ
- Sold Mar 2025£2,950,000 | 4 Bed FlatFlat 25, Melton Court, Onslow Crescent, London, SW7 3JQFlat 25, Melton Court, Onslow Crescent, London, SW7 3JQ
- Sold Jan 2025£2,525,000 | 4 Bed FlatFlat 58, Melton Court, Onslow Crescent, London, SW7 3JHFlat 58, Melton Court, Onslow Crescent, London, SW7 3JH
- Sold Mar 2022£1,930,000 | 4 Bed FlatFlat A, 18, Thurloe Street, London, SW7 2STFlat A, 18, Thurloe Street, London, SW7 2ST
- Sold Aug 2019£950,000 | 4 Bed FlatFlat 10, 97, Onslow Square, London, SW7 3LUFlat 10, 97, Onslow Square, London, SW7 3LU
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 £1,497,942, ranging from £597,723 to £2,762,531.
- Flat 1A, 25 Onslow Square
1 Bed Flat | 0 m | Est. Value: £597,723
- Flat 6, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £860,033
- Flat 8, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,037,667
- Flat 11, 25 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,371,602
- Flat 10, 25 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,014,564
Location Comparison
Of the 321 addresses on Onslow Square, London, SW7, Flat 4, 25, Onslow Square comes out as the 33rd largest and the 75th most expensive in our analysis of the public data.
It is also £604k more expensive than the average property across the SW7 district.
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Schools Nearby
- Oratory Roman Catholic Primary School300 m away
- Marlborough Primary School400 m away
- Our Lady of Victories RC Primary School500 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.8 km away
- The London Oratory School1.9 km away
More reading links
Public Transport Nearby
- South Kensington|200 m away
- Gloucester Road|700 m away
- Knightsbridge|1.0 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.
