Onslow Square - SW7 3LT
Key Postcode Insights
SW7 3LT is a residential postcode situated on Onslow Square, London, SW7 with 26 addresses.
It ranks as the 315th largest and 329th most expensive of the 505 postcodes in the SW7 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 26 properties: 26 flats.
- Ave. Sale Price
- £2,435,060
- 10 Year change
- down 16.7%
- Ave. Rental Price
- £7,748pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £1,817/ft²
- Ave. Gross Yield
- 3.8%/year/yr
Key Postcode Insights
SW7 3LT is a residential postcode situated on Onslow Square, London, SW7 with 26 addresses.
It ranks as the 315th largest and 329th most expensive of the 505 postcodes in the SW7 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 26 properties: 26 flats.
- Ave. Sale Price
- £2,435,060
- 10 Year change
- down 16.7%
- Ave. Rental Price
- £7,748pcm
- 10 Year change
- up 42.2%
- Ave. £ per ft²
- £1,817/ft²
- Ave. Gross Yield
- 3.8%/year/yr
Explore Properties in SW7 3LT
- 77 Onslow Square
Building | 2 Flats
- 81 Onslow Square
Period Building | 12 Units
- 85 Onslow Square
3 Bed Period Flat
- 89 Onslow Square
Period Building | 11 Units
Sales Market Trends
The last sale in SW7 3LT sold for £2,500,000 on 15th August 2025. Since then prices are down an average of 1.6%.
The current average value in the postcode is £2,435,060.
The SW7 3LT Sales Market has decreased by 16.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| July 2026 | -2.4% | £2,435,060 |
| July 2025 | -3% | £2,494,060 |
| July 2024 | -3.3% | £2,570,053 |
| July 2023 | -3.1% | £2,658,988 |
| July 2022 | 4.2% | £2,743,094 |
| July 2021 | -1.5% | £2,631,426 |
| July 2020 | 3.6% | £2,671,044 |
| July 2019 | -1.4% | £2,579,072 |
| July 2018 | -4.1% | £2,614,427 |
| July 2017 | -6.7% | £2,726,204 |
| July 2016 | -3.1% | £2,922,521 |
| July 2015 | -0.7% | £3,014,833 |
| July 2014 | 13.4% | £3,035,814 |
| July 2013 | 5.7% | £2,677,315 |
| July 2012 | 13.9% | £2,532,646 |
| July 2011 | 15.7% | £2,223,064 |
| July 2010 | 15.2% | £1,921,749 |
| July 2009 | -4.8% | £1,668,357 |
| July 2008 | 6.6% | £1,752,050 |
| July 2007 | 0% | £1,643,910 |
Rental Market Trends
The current average rental value in the postcode is £7,748.
The SW7 3LT Rental Market has increased by 42.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| July 2026 | 7.8% | £7,748pcm |
| July 2025 | 4.2% | £7,187pcm |
| July 2024 | 1.4% | £6,900pcm |
| July 2023 | 11% | £6,803pcm |
| July 2022 | 23.3% | £6,129pcm |
| July 2021 | -2.1% | £4,971pcm |
| July 2020 | -7.7% | £5,079pcm |
| July 2019 | 3.3% | £5,504pcm |
| July 2018 | 2.1% | £5,329pcm |
| July 2017 | -4.2% | £5,218pcm |
| July 2016 | -4.6% | £5,447pcm |
| July 2015 | 1.9% | £5,710pcm |
| July 2014 | -1% | £5,605pcm |
| July 2013 | 1.3% | £5,661pcm |
| July 2012 | 1.3% | £5,589pcm |
| July 2011 | 9.6% | £5,516pcm |
| July 2010 | 16.8% | £5,032pcm |
| July 2009 | -12.1% | £4,308pcm |
| July 2008 | 3.7% | £4,900pcm |
| July 2007 | 0% | £4,726pcm |
Sales History
The last recorded sale was on 15th August 2025 for £2,500,000 and since then the market in the area has decreased by 1.6%.
SW7 3LT has had 3 sales since 1995, with 2 in the last three years and 1 in the last twelve months.
- Sold Aug 2025£2,500,000 | 3 Bed FlatFlat 10, 81, Onslow Square, London, SW7 3LTFlat 10, 81, Onslow Square, London, SW7 3LT
- Sold Oct 2023£2,600,000 | 3 Bed FlatFlat 6, 89, Onslow Square, London, SW7 3LTFlat 6, 89, Onslow Square, London, SW7 3LT
- Sold Jun 2021£3,325,000 | 3 Bed FlatFlat 4, 81, Onslow Square, London, SW7 3LTFlat 4, 81, Onslow Square, London, SW7 3LT
Nearby Postcodes
SW7 3LT is the 315th largest and the 329th most expensive postcode out of the 505 postcodes in the SW7 area.
- SW7 3LS, Onslow Square, London, SW7SW7 3LS26 Addresses|58 m away
- SW7 3EF, Sumner Place Mews, London, SW7SW7 3EF4 Addresses|62 m away
- SW7 3AA, Onslow Mews East, London, SW7SW7 3AA7 Addresses|63 m away
- SW7 3JW, Barnaby Place, London, SW7SW7 3JW3 Addresses|67 m away
- SW7 3NX, Onslow Square, London, SW7SW7 3NX21 Addresses|67 m away
Property Types
- 26 period flats built between 1800 and 1911
- period flat (26)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 17 properties.
- The most common rating is D.
- A (0)
- E (2)
- B (0)
- F (0)
- C (7)
- G (0)
- D (8)
- No EPC (9)
Top 3 Most Expensive Sales
- Sold Sep 2022£17,000,000 | 1 Bed Flat57, Onslow Square, London, SW7 3LR57, Onslow Square, London, SW7 3LR
- Sold Dec 2017£7,550,000 | 4 Bed FlatFlat 3, 32, Onslow Square, London, SW7 3NSFlat 3, 32, Onslow Square, London, SW7 3NS
- Sold May 2020£6,700,000 | 2 Bed FlatFlat 2, 38, Onslow Square, London, SW7 3NSFlat 2, 38, Onslow Square, London, SW7 3NS
Schools Nearby
- Our Lady of Victories RC Primary School300 m away
- Oratory Roman Catholic Primary School400 m away
- Marlborough Primary School700 m away
- St. Thomas More Language College900 m away
- Chelsea Academy1.7 km away
- The London Oratory School1.7 km away
More reading links
Public Transport Nearby
The closest station to SW7 3LT is South Kensington station, which is 200 metres away.
- South Kensington|200 m away
- Gloucester Road|500 m away
- Earl's Court|1.2 km away
- Knightsbridge|1.2 km away
