Our Data Sources
Flat 3, 11, Onslow Square has a single entry in the Land Registry from June 2007 and a single entry in the EPC database dated January 2024.
We combine this information with that 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
In very good condition, we estimate Flat 3, 11, Onslow Square would be worth £1,958,502, with a potential rental value of £5,681 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £1,734,673, with a rental value of £5,032 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 3, 11, Onslow Square has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Jan 2024.
The property is connected to mains gas and has some secondary glazing. It is heated using community scheme.
Sold Prices
Flat 3, 11, Onslow Square last changed hands on 22nd June 2007, selling for £1,352,000. The transaction was logged as a leasehold flat by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 67.5% since June 2007.
- Sold Jun 2007£1,352,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 11 sales of comparable properties within 280 metres of Flat 3, 11, Onslow Square since 2007.
Most recently, Flat 1, 24, Onslow Square, London, SW7 3NS, a leasehold flat, sold at £1,730,000 on the 6th March 2024.
Read more about house prices in SW7.
- Sold Mar 2024£1,730,000 | 2 Bed FlatFlat 1, 24, Onslow Square, London, SW7 3NSFlat 1, 24, Onslow Square, London, SW7 3NS
- Sold Dec 2021£2,185,000 | 3 Bed Flat45, Rose Square, London, SW3 6RS45, Rose Square, London, SW3 6RS
- Sold Mar 2021£1,700,000 | 2 Bed FlatFlat 3, 24, Onslow Square, London, SW7 3NSFlat 3, 24, Onslow Square, London, SW7 3NS
- Sold May 2020£6,700,000 | 2 Bed FlatFlat 2, 38, Onslow Square, London, SW7 3NSFlat 2, 38, Onslow Square, London, SW7 3NS
- Sold May 2018£1,950,000 | 2 Bed FlatFlat 5, 24, Onslow Square, London, SW7 3NSFlat 5, 24, Onslow Square, London, SW7 3NS
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 £2,071,720, ranging from £740,694 to £2,612,344.
- Flat 6, 11 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,468,779
- Flat 7, 11 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,911,191
- Flat 8, 11 Onslow Square
2 Bed Flat | 0 m | Est. Value: £1,293,385
- Flat 1, 11 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,537,432
- Flat 4, 11 Onslow Square
3 Bed Flat | 0 m | Est. Value: £2,612,344
Location Comparison
Our analysis of the public data ranks Flat 3, 11, Onslow Square as the 247th largest and the 159th most expensive of the 321 addresses on Onslow Square, London, SW7.
Against the SW7 postcode district average, it is £197k less expensive than the typical property.
More reading links
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












