Our Data Sources
9A, Onslow Square has no records in the Land Registry and a single entry in the EPC database dated July 2018.
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
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 9A, Onslow Square is in very good condition we estimate a sale value of £1,750,488 and a rental value of £5,122 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,550,433 and a rental value of £4,537 per month.
Energy Efficiency
9A, Onslow Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jul 2018.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 15 sales of properties similar to 9A, Onslow Square within a radius of 280 metres since 2007.
The most recent example is Flat 1, 24, Onslow Square, London, SW7 3NS, a leasehold flat which sold for £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 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 Aug 2019£1,100,000 | 2 Bed Flat74, Rose Square, London, SW3 6RS74, Rose Square, London, SW3 6RS
- Sold May 2019£1,550,000 | 2 Bed Flat71, Rose Square, London, SW3 6RS71, Rose Square, London, SW3 6RS
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 £2,055,686, ranging from £740,694 to £2,612,344.
- 9 Onslow Square
1 Bed Flat | 0 m | Est. Value: £740,694
- Flat 6, 11 Onslow Square
3 Bed Flat | 6 m | Est. Value: £2,468,779
- Flat 3, 11 Onslow Square
2 Bed Flat | 6 m | Est. Value: £1,865,240
- Flat 7, 11 Onslow Square
2 Bed Flat | 6 m | Est. Value: £1,911,191
- Flat 8, 11 Onslow Square
2 Bed Flat | 6 m | Est. Value: £1,293,385
Location Comparison
Onslow Square, London, SW7 has a total of 321 addresses. According to our analysis of all the public data, 9A, Onslow Square is the 267th largest and the 206th most expensive property on the street.
When compared to the postcode district it is £396k less expensive than the average property in SW7.
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
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast 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.












