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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
SW7 3NJHouse Prices / London, Kensington and Chelsea, Onslow Square
Last updated May 2026
Key Postcode Insights
SW7 3NJ is a residential postcode situated on Onslow Square, London, SW7 with 53 addresses.
It ranks as the 445th largest and 282nd most expensive of the 505 postcodes in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The postcode contains a total of 53 properties: 53 flats.
53
Properties
- Flats
Key Postcode Insights
SW7 3NJ is a residential postcode situated on Onslow Square, London, SW7 with 53 addresses.
It ranks as the 445th largest and 282nd most expensive of the 505 postcodes in the SW7 area. The dominant property type is a period flat built between 1800 and 1911.
The postcode contains a total of 53 properties: 53 flats.
53
Properties
- Flats
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House Pricesin SW7 3NJ
Sale prices range from £585,115 for 1 bedroom leasehold flats with a garden (430 ft2) to £4,523,317 for 4 bedroom leasehold flats (2,271 ft2) .
Monthly rental prices range from £2,152 pcm for 1 bed flats to £14,532 pcm for 4 bed flats.
The gross rental yield is between 3.6% and 5.0%.
The average value per square foot is £1,966.
Average Sale Value
£1,960,289
Average Rental Value
£6,569 pcm
Average Rental Yield
4.0% /year
Average Value Per Sqft
£1,966 /ft2
Sales Market Trendsin SW7 3NJ
The last sale in SW7 3NJ sold for £2,750,000 on 20th November 2025. Since then prices are down an average of 0.4%.
The current average value in the postcode is £1,960,289.
The SW7 3NJ Sales Market has decreased by 19.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -2% | £1,960,289 |
| April 2025 | -4.1% | £2,001,235 |
| April 2024 | -2.5% | £2,087,555 |
| April 2023 | -3.5% | £2,140,462 |
| April 2022 | 6.3% | £2,219,083 |
| April 2021 | -3.3% | £2,086,811 |
| April 2020 | 2.8% | £2,157,163 |
| April 2019 | -1.7% | £2,097,840 |
| April 2018 | -4.1% | £2,133,159 |
| April 2017 | -8% | £2,224,891 |
| April 2016 | -2.1% | £2,419,596 |
| April 2015 | 1.7% | £2,472,358 |
| April 2014 | 18.2% | £2,431,132 |
| April 2013 | 4% | £2,057,195 |
| April 2012 | 15.3% | £1,977,658 |
| April 2011 | 13.9% | £1,714,915 |
| April 2010 | 13.7% | £1,505,402 |
| April 2009 | -11.1% | £1,323,738 |
| April 2008 | 20.7% | £1,488,995 |
| April 2007 | 0% | £1,233,397 |
Rental Market Trendsin SW7 3NJ
The current average rental value in the postcode is £6,569.
The SW7 3NJ Rental Market has increased by 36.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 7.2% | £6,569pcm |
| April 2025 | 4.3% | £6,128pcm |
| April 2024 | 0.8% | £5,877pcm |
| April 2023 | 12.9% | £5,830pcm |
| April 2022 | 26.5% | £5,165pcm |
| April 2021 | -11.3% | £4,081pcm |
| April 2020 | -2.1% | £4,604pcm |
| April 2019 | 3.2% | £4,702pcm |
| April 2018 | -0.1% | £4,557pcm |
| April 2017 | -5.5% | £4,560pcm |
| April 2016 | -2.4% | £4,828pcm |
| April 2015 | 1.1% | £4,948pcm |
| April 2014 | 1.7% | £4,894pcm |
| April 2013 | 0% | £4,813pcm |
| April 2012 | 3.9% | £4,814pcm |
| April 2011 | 12.5% | £4,635pcm |
| April 2010 | 10.3% | £4,118pcm |
| April 2009 | -15% | £3,734pcm |
| April 2008 | 8.9% | £4,396pcm |
| April 2007 | 0% | £4,037pcm |
Properties and Buildingsin SW7 3NJ, Onslow Square, London, SW7
- Park Cottage, Onslow Square, London, SW7 3NJ
- 1, Onslow Square, London, SW7 3NJ3 bed period flat
- 5, Onslow Square, London, SW7Building8 units
- 7, Onslow Square, London, SW7 3NJ
- 9, Onslow Square, London, SW7 Period building2 units
- 11, Onslow Square, London, SW7 Period building9 units
- 13, Onslow Square, London, SW7 3NJ3 bed period flat
- 15, Onslow Square, London, SW7Building7 units
- 17, Onslow Square, London, SW7 Period building5 units
- 19, Onslow Square, London, SW7 3NJ
- 21, Onslow Square, London, SW7 3NJ3 bed period flat
- 23, Onslow Square, London, SW7Building3 units
- 25, Onslow Square, London, SW7Building13 units
Sales Historyin SW7 3NJ
The last sale was on 20th November 2025 for £2,750,000 and since then the market in the area has decreased by 0.4%. The postcode has had a total of 53 sales since 1995.
SW7 3NJ has seen 5 sales in the last three years and 1 sale in the last twelve months.
Sold Nov 2025£2,750,000 | 3 Bed Flat11, Onslow SquareFlat 2, 11, Onslow Square, London, SW7 3NJ
Sold Nov 2024£2,825,000 | 3 Bed Flat23, Onslow SquareFlat 2, 23, Onslow Square, London, SW7 3NJ
Sold Oct 2024£560,000 | 3 Bed Flat25, Onslow SquareFlat 12, 25, Onslow Square, London, SW7 3NJ
Sold Jul 2023£1,600,000 | 2 Bed Flat25, Onslow SquareFlat 11, 25, Onslow Square, London, SW7 3NJ
Sold May 2023£2,800,000 | 2 Bed Flat23, Onslow SquareFlat 3, 23, Onslow Square, London, SW7 3NJ
Sold Aug 2022£3,600,000 | 3 Bed Flat17, Onslow SquareFlat 1, 17, Onslow Square, London, SW7 3NJ
Sold Mar 2021£2,300,000 | 3 Bed FlatOnslow Square1, Onslow Square, London, SW7 3NJ
Sold Oct 2020£560,000 | 1 Bed Flat25, Onslow SquareFlat 1A, 25, Onslow Square, London, SW7 3NJ
Sold Feb 2018£3,500,000 | 3 Bed Flat17, Onslow SquareFlat 1, 17, Onslow Square, London, SW7 3NJ
Sold Aug 2017£2,750,000 | 2 Bed Flat23, Onslow SquareFlat 3, 23, Onslow Square, London, SW7 3NJ
Sold Mar 2017£2,720,000 | 3 Bed Flat23, Onslow SquareFlat 2, 23, Onslow Square, London, SW7 3NJ
Sold Mar 2016£4,400,000 | 3 Bed FlatOnslow Square19, Onslow Square, London, SW7 3NJ
Sold Dec 2015£2,850,000 | 3 Bed Flat5, Onslow SquareFlat 4, 5, Onslow Square, London, SW7 3NJ
Sold Apr 2015£2,750,000 | 3 Bed Flat11, Onslow SquareFlat 2, 11, Onslow Square, London, SW7 3NJ
Sold Oct 2014£2,850,000 | 2 Bed Flat23, Onslow SquareFlat 3, 23, Onslow Square, London, SW7 3NJ
Sold Aug 2013£2,600,000 | 3 Bed Flat25, Onslow SquareFlat 10, 25, Onslow Square, London, SW7 3NJ
Sold Mar 2013£3,600,000 | 3 Bed Flat25, Onslow SquareFlat 8, 25, Onslow Square, London, SW7 3NJ
Sold Feb 2013£2,300,000 | 3 Bed Flat5, Onslow SquareFlat 5, 5, Onslow Square, London, SW7 3NJ
Sold Jan 2013£2,000,000 | 3 Bed Flat25, Onslow SquareFlat 8, 25, Onslow Square, London, SW7 3NJ
Sold Dec 2012£2,345,000 | 3 Bed Flat5, Onslow SquareFlat 4, 5, Onslow Square, London, SW7 3NJ
Sold Sep 2012£518,619 | 3 Bed Flat5, Onslow SquareFlat 3, 5, Onslow Square, London, SW7 3NJ
Sold Feb 2012£795,700 | 3 Bed Flat5, Onslow SquareFlat 4, 5, Onslow Square, London, SW7 3NJ
Sold Jul 2011£850,000 | 3 Bed Flat5, Onslow SquareFlat 4, 5, Onslow Square, London, SW7 3NJ
Sold Oct 2009£1,600,000 | 3 Bed Flat5, Onslow SquareFlat 3, 5, Onslow Square, London, SW7 3NJ
Sold Jun 2007£1,352,000 | 2 Bed Flat11, Onslow SquareFlat 3, 11, Onslow Square, London, SW7 3NJ
Sold Oct 2005£700,000 | 3 Bed Flat11, Onslow SquareFlat 5, 11, Onslow Square, London, SW7 3NJ
Sold May 2005£1,248,000 | 3 Bed Flat5, Onslow SquareFlat 3, 5, Onslow Square, London, SW7 3NJ
Sold Apr 2004£800,000 | 3 Bed Flat5, Onslow SquareFlat 5, 5, Onslow Square, London, SW7 3NJ
Sold Mar 2004£650,000 | 3 Bed Flat17, Onslow SquareFlat 5, 17, Onslow Square, London, SW7 3NJ
Sold Feb 2004£1,050,000 | 2 Bed Flat23, Onslow SquareFlat 1, 23, Onslow Square, London, SW7 3NJ
Sold Oct 2003£900,000 | 3 Bed FlatOnslow Square19, Onslow Square, London, SW7 3NJ
Sold Aug 2003£725,000 | 3 Bed Flat17, Onslow SquareFlat 4, 17, Onslow Square, London, SW7 3NJ
Sold Dec 2002£1,050,000 | 3 Bed Flat5, Onslow SquareFlat 6, 5, Onslow Square, London, SW7 3NJ
Sold Nov 2002£448,213 | 2 Bed Flat11, Onslow SquareFlat 8, 11, Onslow Square, London, SW7 3NJ
Sold Sep 2001£259,000 | 1 Bed Flat25, Onslow SquareFlat 1A, 25, Onslow Square, London, SW7 3NJ
Sold Oct 2000£300,000 | 2 Bed Flat5, Onslow SquareFlat 1, 5, Onslow Square, London, SW7 3NJ
Sold Apr 2000£735,000 | 2 Bed Flat25, Onslow SquareFlat 5, 25, Onslow Square, London, SW7 3NJ
Sold Feb 2000£185,000 | 1 Bed Flat25, Onslow SquareFlat 1A, 25, Onslow Square, London, SW7 3NJ
Sold Oct 1999£495,000 | 3 Bed Flat11, Onslow SquareFlat 5, 11, Onslow Square, London, SW7 3NJ
Sold Nov 1998£115,000 | 1 Bed Flat25, Onslow SquareFlat 1A, 25, Onslow Square, London, SW7 3NJ
Sold Oct 1998£129,000 | 3 Bed Flat25, Onslow SquareFlat 7, 25, Onslow Square, London, SW7 3NJ
Sold Apr 1998£620,000 | 2 Bed Flat23, Onslow SquareFlat 1, 23, Onslow Square, London, SW7 3NJ
Sold Dec 1997£355,000 | 3 Bed Flat11, Onslow SquareFlat 5, 11, Onslow Square, London, SW7 3NJ
Sold Dec 1997£450,000 | 2 Bed Flat23, Onslow SquareFlat 3, 23, Onslow Square, London, SW7 3NJ
Sold Feb 1997£500,000 | 3 Bed Flat17, Onslow SquareFlat 2, 17, Onslow Square, London, SW7 3NJ
Sold Jan 1997£675,000 | 3 Bed Flat17, Onslow SquareFlat 1, 17, Onslow Square, London, SW7 3NJ
Sold Oct 1996£425,000 | 2 Bed Flat11, Onslow SquareFlat 8, 11, Onslow Square, London, SW7 3NJ
Sold Aug 1996£147,000 | 2 Bed Flat5, Onslow SquareFlat 1, 5, Onslow Square, London, SW7 3NJ
Sold Jul 1996£275,000 | 2 Bed Flat11, Onslow SquareFlat 8, 11, Onslow Square, London, SW7 3NJ
Sold May 1996£450,000 | 3 Bed Flat17, Onslow SquareFlat 1, 17, Onslow Square, London, SW7 3NJ
Sold Apr 1996£295,000 | 3 Bed Flat17, Onslow SquareFlat 2, 17, Onslow Square, London, SW7 3NJ
Sold Apr 1996£225,000 | 3 Bed Flat17, Onslow SquareFlat 1, 17, Onslow Square, London, SW7 3NJ
Sold Jan 1995£625,000 | 4 Bed Flat5, Onslow SquareFlat 8, 5, Onslow Square, London, SW7 3NJ
Nearby Postcodesto SW7 3NJ
SW7 3NJ is the 445th largest and the 282nd most expensive postcode out of the 505 postcodes in the SW7 area.
- 69 mSW7 3NL, Sydney Place, London, SW7SW7 3NL12 Addresses
- 72 mSW7 2NR, Pelham Crescent, London, SW7SW7 2NR14 Addresses
- 80 mSW7 2NQ, Pelham Place, London, SW7SW7 2NQ15 Addresses
- 83 mSW7 3NP, Onslow Square, London, SW7SW7 3NP34 Addresses
- 84 mSW7 3NH, Onslow Square, London, SW7SW7 3NH23 Addresses
- 87 mSW7 3NN, Sydney Place, London, SW7SW7 3NN7 Addresses
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Property Typesin SW7 3NJ
- 50 period flats built between 1800 and 1911
- 3 other addresses of unknown type
- period flat (50)
- Unknown (3)
Energy Efficiencyof properties in SW7 3NJ
- Energy Performance Certificate (EPC) surveys conducted for 32 properties.
- The dominant rating is C.
- A (0)
- E (4)
- B (0)
- F (0)
- C (17)
- G (0)
- D (11)
- No EPC (21)
Top 3 Most Expensive Saleson Onslow Square
Schools Nearbyto SW7 3NJ
The nearest primary school to SW7 3NJ is Oratory Roman Catholic Primary School which is 322 metres away.
- 322mOratory Roman Catholic Primary School
- 447mMarlborough Primary School
- 480mOur Lady of Victories RC Primary School
The nearest secondary school is St. Thomas More Language College which is 716 metres away.
- 716mSt. Thomas More Language College
- 1.8kmChelsea Academy
- 1.9kmThe London Oratory School
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Public Transport Nearbyto SW7 3NJ
The closest station to SW7 3NJ is South Kensington station which is 200 metres away.
- 164mSouth Kensington
- 714mGloucester Road
- 1.0kmKnightsbridge
- 1.1kmSloane Square
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