Our Data Sources
Flat 2, 27, Onslow Square has 4 entries in the Land Registry, most recently in November 2023 and a single entry in the EPC database dated March 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Price Range & Condition
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Flat 2, 27, Onslow Square is in very good condition we estimate a sale value of £1,001,270 and a rental value of £4,098 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £886,840 and a rental value of £3,630 per month.
Energy Efficiency
Flat 2, 27, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 12 Mar 2020.
The property is connected to mains gas and has partial secondary glazing. It is heated using community scheme.
Sold Prices
According to HM Land Registry, Flat 2, 27, Onslow Square was last sold on 20th November 2023 for £1,050,000 and was recorded as a leasehold flat.
The property has had 4 sales since 1995.
Since November 2023, the market for similar properties has dropped by 12.2%.
- Sold Nov 2023£1,050,000
- Sold Jun 2013£1,125,000
- Sold Jun 2010£800,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 52 sales of properties similar to Flat 2, 27, Onslow Square within a radius of 290 metres since 2015.
The most recent example is Flat 20, Petersham House 29-37, Harrington Road, London, SW7 3HD, a leasehold flat which sold for £650,000 on the 18th May 2026.
Read more about house prices in SW7.
- Sold May 2026£650,000 | 2 Bed FlatFlat 20, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 20, Petersham House 29-37, Harrington Road, London, SW7 3HD
- Sold Dec 2025£933,500 | 2 Bed FlatFlat 14, Petersham House 29-37, Harrington Road, London, SW7 3HDFlat 14, Petersham House 29-37, Harrington Road, London, SW7 3HD
- Sold Feb 2025£95,000 | 2 Bed Flat6, Glendower Place, London, SW7 3DP6, Glendower Place, London, SW7 3DP
- Sold May 2024£900,000 | 2 Bed FlatFlat 62, Pelham Court 145, Fulham Road, London, SW3 6SHFlat 62, Pelham Court 145, Fulham Road, London, SW3 6SH
- Sold Nov 2023£1,225,000 | 2 Bed FlatFlat 4, 1, Glendower Place, London, SW7 3DUFlat 4, 1, Glendower Place, London, SW7 3DU
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 £1,287,362, ranging from £720,194 to £2,432,054.
- Flat 21, 27 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,314,752
- Flat 11, 27 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,011,232
- Flat 14, 27 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,329,235
- Flat 5, 27 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,391,456
- Flat 15, 27 Onslow Square
3 Bed Flat | 0 m | Est. Value: £1,391,456
Location Comparison
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, Flat 2, 27, Onslow Square is the 283rd largest and the 307th most expensive property on the street.
When compared to the postcode district it is £1.109m less expensive than the average property in SW7.
More reading links
Schools Nearby
- Oratory Roman Catholic Primary School400 m away
- Our Lady of Victories RC Primary School400 m away
- Marlborough Primary School500 m away
- St. Thomas More Language College800 m away
- Chelsea Academy1.9 km away
- The London Oratory School1.9 km away
More reading links
Public Transport Nearby
- South Kensington|100 m away
- Gloucester Road|700 m away
- Knightsbridge|1.0 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












