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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
43, Onslow Square, London, SW7 3LR
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43 Onslow SquareHouse Prices / London, Kensington and Chelsea, Onslow Square, SW7 3LR
Last updated Jun 2026
Key Building Insights
43 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 7 addresses.
It ranks as the 771st largest and 1164th most expensive of the 1,225 buildings in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 7 properties: 7 flats.
7
Properties
- Flats
Key Building Insights
43 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 7 addresses.
It ranks as the 771st largest and 1164th most expensive of the 1,225 buildings in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 7 properties: 7 flats.
7
Properties
- Flats
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House Pricesin 43 Onslow Square
Sale prices range from £416,181 for 1 bedroom leasehold flats with a garden (258 ft2) to £3,833,973 for 3 bedroom leasehold flats (2,195 ft2) .
Monthly rental prices range from £1,421 pcm for 1 bed flats to £11,989 pcm for 3 bed flats.
The gross rental yield is between 3.8% and 4.3%.
The average value per square foot is £1,746.
Average Sale Value
£2,659,971
Average Rental Value
£8,510 pcm
Average Rental Yield
3.8% /year
Average Value Per Sqft
£1,746 /ft2
Sales Market Trendsin 43 Onslow Square
The last sale in 43 Onslow Square sold for £3,750,000 on 10th July 2023. Since then prices are down an average of 6.5%.
The current average value in the building is £2,659,971.
The 43 Onslow Square Sales Market has decreased by 17.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | -0.5% | £2,659,971 |
| May 2025 | -3.8% | £2,673,120 |
| May 2024 | -2.5% | £2,780,118 |
| May 2023 | -4.2% | £2,851,971 |
| May 2022 | 5.6% | £2,977,383 |
| May 2021 | -3.4% | £2,818,210 |
| May 2020 | 4% | £2,916,541 |
| May 2019 | -1.4% | £2,803,357 |
| May 2018 | -3.9% | £2,844,009 |
| May 2017 | -7.8% | £2,959,931 |
| May 2016 | -2.6% | £3,210,117 |
| May 2015 | 1.7% | £3,296,632 |
| May 2014 | 17.2% | £3,240,055 |
| May 2013 | 4.1% | £2,765,364 |
| May 2012 | 14.3% | £2,655,225 |
| May 2011 | 12.8% | £2,322,827 |
| May 2010 | 15% | £2,059,006 |
| May 2009 | -8.2% | £1,790,805 |
| May 2008 | 14.5% | £1,950,616 |
| May 2007 | 0% | £1,702,853 |
Rental Market Trendsin 43 Onslow Square
The current average rental value in the building is £8,510.
The 43 Onslow Square Rental Market has increased by 35.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 4.4% | £8,510pcm |
| May 2025 | 4.5% | £8,154pcm |
| May 2024 | 1.1% | £7,800pcm |
| May 2023 | 12.6% | £7,713pcm |
| May 2022 | 25.7% | £6,852pcm |
| May 2021 | -9.5% | £5,450pcm |
| May 2020 | -3.6% | £6,020pcm |
| May 2019 | 3.6% | £6,247pcm |
| May 2018 | 0.6% | £6,031pcm |
| May 2017 | -4.8% | £5,995pcm |
| May 2016 | -2.9% | £6,299pcm |
| May 2015 | 1.9% | £6,490pcm |
| May 2014 | 1.2% | £6,372pcm |
| May 2013 | 0.3% | £6,296pcm |
| May 2012 | 2% | £6,278pcm |
| May 2011 | 11% | £6,158pcm |
| May 2010 | 12.8% | £5,547pcm |
| May 2009 | -14% | £4,916pcm |
| May 2008 | 7% | £5,716pcm |
| May 2007 | 0% | £5,341pcm |
Explore Propertiesin 43, Onslow Square, London, SW7 3LR
- Flat 1, 43, Onslow Square, London, SW7 3LR3 bed period flat
- Flat 2, 43, Onslow Square, London, SW7 3LR3 bed period flat
- Flat 3, 43, Onslow Square, London, SW7 3LR3 bed period flat
- Flat 4, 43, Onslow Square, London, SW7 3LR3 bed period flat
- Flat 5, 43, Onslow Square, London, SW7 3LR
- 43A, Onslow Square, London, SW7 3LR2 bed period flat
- 43D, Onslow Square, London, SW7 3LR1 bed period flat
Sales Historyin 43, Onslow Square, London, SW7 3LR
The last sale was on 10th July 2023 for £3,750,000 and since then the market in the area has decreased by 6.5%. The building has had a total of 7 sales since 1995.
43, Onslow Square, London, SW7 3LR has seen 1 sale in the last three years and no sales in the last twelve months.
Sold Jul 2023£3,750,000 | 3 Bed Flat43, Onslow SquareFlat 2, 43, Onslow Square, London, SW7 3LR
Sold Sep 2021£4,100,000 | 3 Bed Flat43, Onslow SquareFlat 3, 43, Onslow Square, London, SW7 3LR
Sold Dec 2013£5,100,000 | 3 Bed Flat43, Onslow SquareFlat 1, 43, Onslow Square, London, SW7 3LR
Sold Oct 2011£4,350,000 | 3 Bed Flat43, Onslow SquareFlat 4, 43, Onslow Square, London, SW7 3LR
Sold May 2011£579,750 | 3 Bed Flat43, Onslow SquareFlat 4, 43, Onslow Square, London, SW7 3LR
Sold Jun 2010£2,400,000 | 3 Bed Flat43, Onslow SquareFlat 4, 43, Onslow Square, London, SW7 3LR
Sold May 2000£953,155 | 3 Bed Flat43, Onslow SquareFlat 5, 43, Onslow Square, London, SW7 3LR
Property Typesin 43 Onslow Square
- 6 period flats built between 1800 and 1911
- 1 other address of unknown type
- period flat (6)
- Unknown (1)
Energy Efficiencyof properties in 43 Onslow Square
- Energy Performance Certificate (EPC) surveys conducted for 6 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (5)
- G (0)
- D (1)
- No EPC (1)
Top 3 Most Expensive Saleson Onslow Square, London, SW7
Schools Nearbyto 43, Onslow Square, London, SW7 3LR
The nearest primary school to 43, Onslow Square, London, SW7 3LR is Oratory Roman Catholic Primary School which is 400 metres away.
- 400mOratory Roman Catholic Primary School
- 400mOur Lady of Victories RC Primary School
- 500mMarlborough Primary School
The nearest secondary school is St. Thomas More Language College which is 800 metres away.
- 800mSt. Thomas More Language College
- 1.8kmChelsea Academy
- 1.9kmThe London Oratory School
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Public Transport Nearbyto 43, Onslow Square, London, SW7 3LR
The closest station to 43, Onslow Square, London, SW7 3LR is South Kensington station which is 100 metres away.
- 100mSouth Kensington
- 600mGloucester Road
- 1.1kmKnightsbridge
- 1.2kmSloane Square
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