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Onslow Square is a residential street with 321 addresses.
It ranks as the 141st largest and 62nd most expensive of the 153 streets in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The street contains a total of 321 properties: 2 houses and 319 flats.
Onslow Square is a residential street with 321 addresses.
It ranks as the 141st largest and 62nd most expensive of the 153 streets in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The street contains a total of 321 properties: 2 houses and 319 flats.
Sale prices range from £416,181 for 1 bedroom leasehold flats with a garden (258 ft2) to £7,739,750 for 3 bedroom leasehold flats with a garden (2,981 ft2) .
Monthly rental prices range from £1,421 pcm for 1 bed flats to £22,613 pcm for 3 bed flats.
The gross rental yield is between 3.1% and 7.2%.
The average value per square foot is £1,752.
The last sale on Onslow Square sold for £2,750,000 on 20th November 2025. Since then prices are up an average of 2.7%.
The current average value in the street is £2,262,632.
The Onslow Square Sales Market has decreased by 16.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | -0.6% | £2,262,632 |
| May 2025 | -4% | £2,275,687 |
| May 2024 | -2.8% | £2,370,752 |
| May 2023 | -3.8% | £2,439,418 |
| May 2022 | 5.7% | £2,537,074 |
| May 2021 | -3% | £2,399,161 |
| May 2020 | 3.7% | £2,474,622 |
| May 2019 | -1.5% | £2,385,734 |
| May 2018 | -3.5% | £2,422,577 |
| May 2017 | -7.8% | £2,510,831 |
| May 2016 | -2.9% | £2,724,138 |
| May 2015 | 1.6% | £2,804,297 |
| May 2014 | 16.5% | £2,761,098 |
| May 2013 | 4.1% | £2,370,285 |
| May 2012 | 14.2% | £2,276,701 |
| May 2011 | 13.1% | £1,993,070 |
| May 2010 | 15.6% | £1,761,524 |
| May 2009 | -7.9% | £1,524,218 |
| May 2008 | 14.7% | £1,655,223 |
| May 2007 | 0% | £1,442,573 |
The current average rental value in the street is £7,356.
The Onslow Square Rental Market has increased by 35.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 4.3% | £7,356pcm |
| May 2025 | 4.4% | £7,052pcm |
| May 2024 | 0.9% | £6,757pcm |
| May 2023 | 12.9% | £6,699pcm |
| May 2022 | 25.9% | £5,936pcm |
| May 2021 | -9.2% | £4,713pcm |
| May 2020 | -3.9% | £5,189pcm |
| May 2019 | 3.4% | £5,402pcm |
| May 2018 | 1% | £5,221pcm |
| May 2017 | -5% | £5,168pcm |
| May 2016 | -3.1% | £5,440pcm |
| May 2015 | 1.6% | £5,611pcm |
| May 2014 | 0.7% | £5,522pcm |
| May 2013 | 0.2% | £5,485pcm |
| May 2012 | 1.9% | £5,475pcm |
| May 2011 | 11.3% | £5,373pcm |
| May 2010 | 13.4% | £4,829pcm |
| May 2009 | -13.7% | £4,258pcm |
| May 2008 | 7% | £4,935pcm |
| May 2007 | 0% | £4,612pcm |
The last sale was on 20th November 2025 for £2,750,000 and since then the market in the area has increased by 2.7%. The street has had a total of 412 sales since 1995.
Onslow Square, London, SW7 has seen 33 sales in the last three years and 4 sales in the last twelve months.
Onslow Square, London, SW7 is the 141st largest and the 62nd most expensive street in the SW7 area.
There are 11 postcodes on Onslow Square, London, SW7.
The closest station to Onslow Square, London, SW7 is South Kensington station which is 200 metres away.
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The recent census recorded whether a resident owned or rented their home.
In the area around Onslow Square, London, SW7, 41.2% of property is privately rented and 34.1% is privately owned outright.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around Onslow Square, London, SW7, 18.3% of residents are recorded as possessing school level qualifications and 73.0% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around Onslow Square, London, SW7, the average age was 41.9 and the most common age was 27.
The graph below shows how this compares to Greater London and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around Onslow Square, London, SW7, 8.9% of property was a second home.
Comparison figures for Greater London and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around Onslow Square, London, SW7, there are an average of 0.5 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.