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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
  | Â
VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
81, Onslow Square, London, SW7 3LT
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81 Onslow SquareHouse Prices / London, Kensington and Chelsea, Onslow Square, SW7 3LT
Last updated May 2026
Key Building Insights
81 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 12 addresses.
It ranks as the 1059th largest and 1093rd most expensive of the 1,228 buildings in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 12 properties: 12 flats.
12
Properties
- Flats
Key Building Insights
81 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 12 addresses.
It ranks as the 1059th largest and 1093rd most expensive of the 1,228 buildings in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 12 properties: 12 flats.
12
Properties
- Flats
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House Pricesin 81 Onslow Square
Sale prices range from £1,101,096 for 2 bedroom leasehold flats (624 ft2) to £3,530,535 for 4 bedroom leasehold flats (1,894 ft2) .
Monthly rental prices range from £3,715 pcm for 2 bed flats to £11,050 pcm for 4 bed flats.
The gross rental yield is between 3.7% and 4.7%.
The average value per square foot is £1,825.
Average Sale Value
£2,571,680
Average Rental Value
£8,238 pcm
Average Rental Yield
3.8% /year
Average Value Per Sqft
£1,825 /ft2
Sales Market Trendsin 81 Onslow Square
The last sale in 81 Onslow Square sold for £2,500,000 on 15th August 2025. Since then prices are up an average of 0.7%.
The current average value in the building is £2,571,680.
The 81 Onslow Square Sales Market has decreased by 17.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -1% | £2,571,680 |
| April 2025 | -4.3% | £2,597,341 |
| April 2024 | -2.2% | £2,715,005 |
| April 2023 | -3.2% | £2,776,720 |
| April 2022 | 6.6% | £2,869,019 |
| April 2021 | -3% | £2,692,575 |
| April 2020 | 3% | £2,776,781 |
| April 2019 | -2.3% | £2,695,645 |
| April 2018 | -2.5% | £2,759,211 |
| April 2017 | -8.8% | £2,829,419 |
| April 2016 | -2.7% | £3,101,586 |
| April 2015 | 1.4% | £3,187,125 |
| April 2014 | 16.7% | £3,142,087 |
| April 2013 | 4.2% | £2,692,937 |
| April 2012 | 16% | £2,583,174 |
| April 2011 | 15.8% | £2,226,751 |
| April 2010 | 13.7% | £1,922,107 |
| April 2009 | -12.2% | £1,691,037 |
| April 2008 | 23.1% | £1,926,013 |
| April 2007 | 0% | £1,564,907 |
Rental Market Trendsin 81 Onslow Square
The current average rental value in the building is £8,238.
The 81 Onslow Square Rental Market has increased by 39.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 8.3% | £8,238pcm |
| April 2025 | 4% | £7,607pcm |
| April 2024 | 1% | £7,311pcm |
| April 2023 | 13.4% | £7,238pcm |
| April 2022 | 26.6% | £6,382pcm |
| April 2021 | -11.1% | £5,042pcm |
| April 2020 | -1.8% | £5,673pcm |
| April 2019 | 2.5% | £5,776pcm |
| April 2018 | 1.6% | £5,633pcm |
| April 2017 | -6.1% | £5,543pcm |
| April 2016 | -3.2% | £5,904pcm |
| April 2015 | 1% | £6,098pcm |
| April 2014 | 0.4% | £6,040pcm |
| April 2013 | 0.2% | £6,019pcm |
| April 2012 | 4.5% | £6,006pcm |
| April 2011 | 14.7% | £5,748pcm |
| April 2010 | 10.1% | £5,012pcm |
| April 2009 | -16.1% | £4,553pcm |
| April 2008 | 11.4% | £5,426pcm |
| April 2007 | 0% | £4,870pcm |
Explore Propertiesin 81, Onslow Square, London, SW7 3LT
- Flat 1, 81, Onslow Square, London, SW7 3LT3 bed period flat
- Flat 2, 81, Onslow Square, London, SW7 3LT4 bed period flat
- Flat 3, 81, Onslow Square, London, SW7 3LT
- Flat 4, 81, Onslow Square, London, SW7 3LT3 bed period flat
- Flat 5, 81, Onslow Square, London, SW7 3LT4 bed period flat
- Flat 6, 81, Onslow Square, London, SW7 3LT3 bed period flat
- Flat 7, 81, Onslow Square, London, SW7 3LT4 bed period flat
- Flat 8, 81, Onslow Square, London, SW7 3LT
- Flat 9, 81, Onslow Square, London, SW7 3LT
- Flat 10, 81, Onslow Square, London, SW7 3LT3 bed period flat
- 81A, Onslow Square, London, SW7 3LT
- Basement Flat, 81, Onslow Square, London, SW7 3LT
Sales Historyin 81, Onslow Square, London, SW7 3LT
The last sale was on 15th August 2025 for £2,500,000 and since then the market in the area has increased by 0.7%. The building has had a total of 14 sales since 1995.
81, Onslow Square, London, SW7 3LT has seen 1 sale in the last three years and 1 sale in the last twelve months.
Sold Aug 2025£2,500,000 | 3 Bed Flat81, Onslow SquareFlat 10, 81, Onslow Square, London, SW7 3LT
Sold Jun 2021£3,325,000 | 3 Bed Flat81, Onslow SquareFlat 4, 81, Onslow Square, London, SW7 3LT
Sold Sep 2017£632,000 | 3 Bed Flat81, Onslow SquareFlat 1, 81, Onslow Square, London, SW7 3LT
Sold Apr 2015£4,250,000 | 4 Bed Flat81, Onslow SquareFlat 7, 81, Onslow Square, London, SW7 3LT
Sold Dec 2014£3,950,000 | 3 Bed Flat81, Onslow SquareFlat 6, 81, Onslow Square, London, SW7 3LT
Sold Nov 2011£2,625,000 | 3 Bed Flat81, Onslow SquareFlat 10, 81, Onslow Square, London, SW7 3LT
Sold Mar 2011£2,500,000 | 4 Bed Flat81, Onslow SquareFlat 7, 81, Onslow Square, London, SW7 3LT
Sold Jun 2006£2,200,000 | 4 Bed Flat81, Onslow SquareFlat 5, 81, Onslow Square, London, SW7 3LT
Sold Apr 2004£1,100,000 | 3 Bed Flat81, Onslow SquareFlat 8, 81, Onslow Square, London, SW7 3LT
Sold Dec 2003£1,430,000 | 4 Bed Flat81, Onslow SquareFlat 5, 81, Onslow Square, London, SW7 3LT
Sold May 2002£1,300,000 | 4 Bed Flat81, Onslow SquareFlat 5, 81, Onslow Square, London, SW7 3LT
Sold Jul 1997£1,000,000 | 4 Bed Flat81, Onslow SquareFlat 5, 81, Onslow Square, London, SW7 3LT
Sold Jun 1997£775,000 | 3 Bed Flat81, Onslow SquareFlat 6, 81, Onslow Square, London, SW7 3LT
Sold May 1997£971,080 | 3 Bed Flat81, Onslow SquareFlat 3, 81, Onslow Square, London, SW7 3LT
Property Typesin 81 Onslow Square
- 7 period flats built between 1800 and 1911
- 5 other addresses of unknown type
- period flat (7)
- Unknown (5)
Energy Efficiencyof properties in 81 Onslow Square
- Energy Performance Certificate (EPC) surveys conducted for 7 properties.
- The dominant rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (4)
- G (0)
- D (2)
- No EPC (5)
Top 3 Most Expensive Saleson Onslow Square, London, SW7
Schools Nearbyto 81, Onslow Square, London, SW7 3LT
The nearest primary school to 81, Onslow Square, London, SW7 3LT is Our Lady of Victories RC Primary School which is 278 metres away.
- 278mOur Lady of Victories RC Primary School
- 423mOratory Roman Catholic Primary School
- 657mMarlborough Primary School
The nearest secondary school is St. Thomas More Language College which is 927 metres away.
- 927mSt. Thomas More Language College
- 1.7kmChelsea Academy
- 1.7kmThe London Oratory School
More reading links
Public Transport Nearbyto 81, Onslow Square, London, SW7 3LT
The closest station to 81, Onslow Square, London, SW7 3LT is South Kensington station which is 200 metres away.
- 225mSouth Kensington
- 542mGloucester Road
- 1.2kmEarl's Court
- 1.2kmKnightsbridge
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