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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
27, Onslow Square, London, SW7 3NH
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27 Onslow SquareHouse Prices / London, Kensington and Chelsea, Onslow Square, SW7 3NH
Last updated May 2026
Key Building Insights
27 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 23 addresses.
It ranks as the 1176th largest and 748th most expensive of the 1,228 buildings in the SW7 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 23 properties: 23 flats.
23
Properties
- Flats
Key Building Insights
27 Onslow Square is a residential building situated on Onslow Square, London, SW7 with 23 addresses.
It ranks as the 1176th largest and 748th most expensive of the 1,228 buildings in the SW7 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 23 properties: 23 flats.
23
Properties
- Flats
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House Pricesin 27 Onslow Square
Sale prices range from £524,826 for 2 bedroom leasehold flats with a balcony (551 ft2) to £2,380,336 for 4 bedroom leasehold flats with a balcony (1,754 ft2) .
Monthly rental prices range from £2,178 pcm for 2 bed flats to £9,088 pcm for 4 bed flats.
The gross rental yield is between 4.6% and 5.0%.
The average value per square foot is £1,344.
Average Sale Value
£1,291,814
Average Rental Value
£5,153 pcm
Average Rental Yield
4.8% /year
Average Value Per Sqft
£1,344 /ft2
Sales Market Trendsin 27 Onslow Square
The last sale in 27 Onslow Square sold for £275,000 on 12th November 2024. Since then prices are down an average of 4.2%.
The current average value in the building is £1,291,814.
The 27 Onslow Square Sales Market has decreased by 19.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -1.8% | £1,291,814 |
| April 2025 | -4.5% | £1,315,580 |
| April 2024 | -2.7% | £1,377,108 |
| April 2023 | -2.9% | £1,415,126 |
| April 2022 | 6.3% | £1,457,179 |
| April 2021 | -3.5% | £1,370,290 |
| April 2020 | 2.3% | £1,419,737 |
| April 2019 | -1.7% | £1,387,714 |
| April 2018 | -3.7% | £1,411,638 |
| April 2017 | -8.8% | £1,465,370 |
| April 2016 | -2.1% | £1,606,938 |
| April 2015 | 0.9% | £1,642,168 |
| April 2014 | 18.3% | £1,627,487 |
| April 2013 | 4.1% | £1,375,640 |
| April 2012 | 15.6% | £1,321,411 |
| April 2011 | 14.4% | £1,143,129 |
| April 2010 | 14.1% | £999,317 |
| April 2009 | -11.1% | £875,671 |
| April 2008 | 21.6% | £984,978 |
| April 2007 | 0% | £809,805 |
Rental Market Trendsin 27 Onslow Square
The current average rental value in the building is £5,153.
The 27 Onslow Square Rental Market has increased by 35.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 7.5% | £5,153pcm |
| April 2025 | 3.9% | £4,795pcm |
| April 2024 | 0.6% | £4,615pcm |
| April 2023 | 13.6% | £4,588pcm |
| April 2022 | 26.5% | £4,037pcm |
| April 2021 | -11.5% | £3,190pcm |
| April 2020 | -2.6% | £3,607pcm |
| April 2019 | 3.1% | £3,702pcm |
| April 2018 | 0.4% | £3,590pcm |
| April 2017 | -6.3% | £3,575pcm |
| April 2016 | -2.4% | £3,817pcm |
| April 2015 | 0.3% | £3,912pcm |
| April 2014 | 1.8% | £3,900pcm |
| April 2013 | 0.1% | £3,831pcm |
| April 2012 | 4.1% | £3,829pcm |
| April 2011 | 13% | £3,677pcm |
| April 2010 | 10.7% | £3,254pcm |
| April 2009 | -15% | £2,941pcm |
| April 2008 | 9.7% | £3,461pcm |
| April 2007 | 0% | £3,155pcm |
Explore Propertiesin 27, Onslow Square, London, SW7 3NH
- Flat 1, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 2, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 3, 27, Onslow Square, London, SW7 3NH2 bed flat
- Flat 4, 27, Onslow Square, London, SW7 3NH
- Flat 5, 27, Onslow Square, London, SW7 3NH3 bed mid-century flat
- Flat 6, 27, Onslow Square, London, SW7 3NH3 bed mid-century flat
- Flat 7, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 8, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 9, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 10, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 11, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 12, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 14, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 15, 27, Onslow Square, London, SW7 3NH3 bed mid-century flat
- Flat 16, 27, Onslow Square, London, SW7 3NH2 bed flat
- Flat 17, 27, Onslow Square, London, SW7 3NH3 bed flat
- Flat 18, 27, Onslow Square, London, SW7 3NH3 bed mid-century flat
- Flat 19, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 20, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 21, 27, Onslow Square, London, SW7 3NH2 bed mid-century flat
- Flat 22, 27, Onslow Square, London, SW7 3NH3 bed mid-century flat
- Flat 23, 27, Onslow Square, London, SW7 3NH
- Flat 24, 27, Onslow Square, London, SW7 3NH4 bed mid-century flat
Sales Historyin 27, Onslow Square, London, SW7 3NH
The last sale was on 12th November 2024 for £275,000 and since then the market in the area has decreased by 4.2%. The building has had a total of 40 sales since 1995.
27, Onslow Square, London, SW7 3NH has seen 4 sales in the last three years and no sales in the last twelve months.
Sold Nov 2024£275,000 | 2 Bed Flat27, Onslow SquareFlat 16, 27, Onslow Square, London, SW7 3NH
Sold Apr 2024£1,400,000 | 2 Bed Flat27, Onslow SquareFlat 12, 27, Onslow Square, London, SW7 3NH
Sold Feb 2024£1,493,500 | 2 Bed Flat27, Onslow SquareFlat 14, 27, Onslow Square, London, SW7 3NH
Sold Nov 2023£1,050,000 | 2 Bed Flat27, Onslow SquareFlat 2, 27, Onslow Square, London, SW7 3NH
Sold Mar 2022£1,130,000 | 2 Bed Flat27, Onslow SquareFlat 11, 27, Onslow Square, London, SW7 3NH
Sold Oct 2021£430,000 | 3 Bed Flat27, Onslow SquareFlat 6, 27, Onslow Square, London, SW7 3NH
Sold Sep 2017£1,700,000 | 2 Bed Flat27, Onslow SquareFlat 10, 27, Onslow Square, London, SW7 3NH
Sold Feb 2017£1,300,000 | 2 Bed Flat27, Onslow SquareFlat 11, 27, Onslow Square, London, SW7 3NH
Sold Mar 2015£1,400,000 | 2 Bed Flat27, Onslow SquareFlat 7, 27, Onslow Square, London, SW7 3NH
Sold Oct 2014£2,275,000 | 2 Bed Flat27, Onslow SquareFlat 9, 27, Onslow Square, London, SW7 3NH
Sold Sep 2014£1,625,000 | 2 Bed Flat27, Onslow SquareFlat 1, 27, Onslow Square, London, SW7 3NH
Sold Nov 2013£642,500 | 2 Bed Flat27, Onslow SquareFlat 7, 27, Onslow Square, London, SW7 3NH
Sold Oct 2013£1,700,000 | 3 Bed Flat27, Onslow SquareFlat 18, 27, Onslow Square, London, SW7 3NH
Sold Jun 2013£1,125,000 | 2 Bed Flat27, Onslow SquareFlat 2, 27, Onslow Square, London, SW7 3NH
Sold Feb 2013£1,375,000 | 2 Bed Flat27, Onslow SquareFlat 8, 27, Onslow Square, London, SW7 3NH
Sold Jun 2012£1,600,000 | 2 Bed Flat27, Onslow SquareFlat 9, 27, Onslow Square, London, SW7 3NH
Sold Jan 2012£525,000 | 2 Bed Flat27, Onslow SquareFlat 16, 27, Onslow Square, London, SW7 3NH
Sold Jan 2012£1,751,000 | 3 Bed Flat27, Onslow SquareFlat 17, 27, Onslow Square, London, SW7 3NH
Sold Jun 2011£203,360 | 3 Bed Flat27, Onslow SquareFlat 17, 27, Onslow Square, London, SW7 3NH
Sold Aug 2010£800,000 | 3 Bed Flat27, Onslow SquareFlat 17, 27, Onslow Square, London, SW7 3NH
Sold Jun 2010£800,000 | 2 Bed Flat27, Onslow SquareFlat 2, 27, Onslow Square, London, SW7 3NH
Sold Dec 2009£400,000 | 2 Bed Flat27, Onslow SquareFlat 3, 27, Onslow Square, London, SW7 3NH
Sold Jun 2009£402,500 | 2 Bed Flat27, Onslow SquareFlat 2, 27, Onslow Square, London, SW7 3NH
Sold Jun 2007£930,000 | 2 Bed Flat27, Onslow SquareFlat 19, 27, Onslow Square, London, SW7 3NH
Sold Jan 2007£550,000 | 2 Bed Flat27, Onslow SquareFlat 10, 27, Onslow Square, London, SW7 3NH
Sold May 2006£725,000 | 2 Bed Flat27, Onslow SquareFlat 19, 27, Onslow Square, London, SW7 3NH
Sold May 2005£1,200,000 | 4 Bed Flat27, Onslow SquareFlat 24, 27, Onslow Square, London, SW7 3NH
Sold Oct 2004£445,000 | 2 Bed Flat27, Onslow SquareFlat 10, 27, Onslow Square, London, SW7 3NH
Sold Jan 2004£320,000 | 3 Bed Flat27, Onslow SquareFlat 18, 27, Onslow Square, London, SW7 3NH
Sold Oct 2003£550,000 | 2 Bed Flat27, Onslow SquareFlat 21, 27, Onslow Square, London, SW7 3NH
Sold Oct 2002£350,000 | 2 Bed Flat27, Onslow SquareFlat 7, 27, Onslow Square, London, SW7 3NH
Sold Sep 2002£420,000 | 2 Bed Flat27, Onslow SquareFlat 20, 27, Onslow Square, London, SW7 3NH
Sold Jun 2001£497,000 | 3 Bed Flat27, Onslow SquareFlat 17, 27, Onslow Square, London, SW7 3NH
Sold Apr 1999£320,000 | 3 Bed Flat27, Onslow SquareFlat 17, 27, Onslow Square, London, SW7 3NH
Sold Mar 1998£420,000 | 2 Bed Flat27, Onslow SquareFlat 10, 27, Onslow Square, London, SW7 3NH
Sold Jan 1998£370,000 | 2 Bed Flat27, Onslow SquareFlat 1, 27, Onslow Square, London, SW7 3NH
Sold Sep 1997£200,000 | 2 Bed Flat27, Onslow SquareFlat 3, 27, Onslow Square, London, SW7 3NH
Sold Aug 1997£247,500 | 2 Bed Flat27, Onslow SquareFlat 10, 27, Onslow Square, London, SW7 3NH
Sold Apr 1997£58,462 | 2 Bed Flat27, Onslow SquareFlat 9, 27, Onslow Square, London, SW7 3NH
Sold Aug 1995£220,000 | 2 Bed Flat27, Onslow SquareFlat 1, 27, Onslow Square, London, SW7 3NH
Property Typesin 27 Onslow Square
- 18 mid-century flats built between 1936 and 1979
- 3 flats of an unknown age
- 2 other addresses of unknown type
- mid-century flat (18)
- flat (3)
- Unknown (2)
Energy Efficiencyof properties in 27 Onslow Square
- Energy Performance Certificate (EPC) surveys conducted for 18 properties.
- The dominant rating is C.
- A (0)
- E (1)
- B (1)
- F (0)
- C (11)
- G (0)
- D (5)
- No EPC (5)
Top 3 Most Expensive Saleson Onslow Square, London, SW7
Schools Nearbyto 27, Onslow Square, London, SW7 3NH
The nearest primary school to 27, Onslow Square, London, SW7 3NH is Oratory Roman Catholic Primary School which is 382 metres away.
- 382mOratory Roman Catholic Primary School
- 449mOur Lady of Victories RC Primary School
- 488mMarlborough Primary School
The nearest secondary school is St. Thomas More Language College which is 754 metres away.
- 754mSt. Thomas More Language College
- 1.9kmChelsea Academy
- 1.9kmThe London Oratory School
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Public Transport Nearbyto 27, Onslow Square, London, SW7 3NH
The closest station to 27, Onslow Square, London, SW7 3NH is South Kensington station which is 100 metres away.
- 104mSouth Kensington
- 670mGloucester Road
- 1.0kmKnightsbridge
- 1.1kmSloane Square
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