Onslow Square - SW7 3NP
Key Postcode Insights
SW7 3NP is a residential postcode situated on Onslow Square, London, SW7 with 34 addresses.
It ranks as the 372nd largest and 327th 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 34 properties: 34 flats.
- Ave. Sale Price
- £2,232,433
- 10 Year change
- down 18.2%
- Ave. Rental Price
- £7,351pcm
- 10 Year change
- up 35.8%
- Ave. £ per ft²
- £1,840/ft²
- Ave. Gross Yield
- 4.0%/year/yr
Key Postcode Insights
SW7 3NP is a residential postcode situated on Onslow Square, London, SW7 with 34 addresses.
It ranks as the 372nd largest and 327th 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 34 properties: 34 flats.
- Ave. Sale Price
- £2,232,433
- 10 Year change
- down 18.2%
- Ave. Rental Price
- £7,351pcm
- 10 Year change
- up 35.8%
- Ave. £ per ft²
- £1,840/ft²
- Ave. Gross Yield
- 4.0%/year/yr
Explore Propertiesin SW7 3NP
- 2 Onslow Square
Building | 2 Flats
- 4 Onslow Square
3 Bed Period Flat
- 6 Onslow Square
Period Building | 8 Units
- 8 Onslow Square
Unknown
- 14 Onslow Square
Period Building | 10 Units
Sales Market Trends
The last sale in SW7 3NP sold for £2,200,000 on 25th June 2025. Since then prices are down an average of 2.8%.
The current average value in the postcode is £2,232,433.
The SW7 3NP Sales Market has decreased by 18.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.7% | £2,232,433 |
| June 2025 | -4.1% | £2,294,924 |
| June 2024 | -2.9% | £2,393,328 |
| June 2023 | -3.6% | £2,464,153 |
| June 2022 | 4.9% | £2,557,017 |
| June 2021 | -2.2% | £2,438,356 |
| June 2020 | 3.4% | £2,493,474 |
| June 2019 | -1.4% | £2,410,370 |
| June 2018 | -2.9% | £2,443,988 |
| June 2017 | -7.8% | £2,517,057 |
| June 2016 | -2.7% | £2,730,431 |
| June 2015 | -0.9% | £2,807,458 |
| June 2014 | 16.1% | £2,832,011 |
| June 2013 | 5.1% | £2,439,410 |
| June 2012 | 14% | £2,321,890 |
| June 2011 | 14.3% | £2,036,395 |
| June 2010 | 16.2% | £1,781,443 |
| June 2009 | -6.6% | £1,533,240 |
| June 2008 | 10.1% | £1,641,044 |
| June 2007 | 0% | £1,490,788 |
Rental Market Trends
The current average rental value in the postcode is £7,351.
The SW7 3NP Rental Market has increased by 35.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 4.2% | £7,351pcm |
| June 2025 | 3.5% | £7,055pcm |
| June 2024 | 1.3% | £6,814pcm |
| June 2023 | 12% | £6,725pcm |
| June 2022 | 25% | £6,002pcm |
| June 2021 | -6.2% | £4,800pcm |
| June 2020 | -5.8% | £5,117pcm |
| June 2019 | 3.1% | £5,431pcm |
| June 2018 | 2.5% | £5,268pcm |
| June 2017 | -5.1% | £5,140pcm |
| June 2016 | -3.5% | £5,415pcm |
| June 2015 | 0.5% | £5,614pcm |
| June 2014 | 0.5% | £5,585pcm |
| June 2013 | 1.2% | £5,557pcm |
| June 2012 | 1.9% | £5,489pcm |
| June 2011 | 10% | £5,388pcm |
| June 2010 | 15.9% | £4,896pcm |
| June 2009 | -13.1% | £4,226pcm |
| June 2008 | 5.2% | £4,866pcm |
| June 2007 | 0% | £4,624pcm |
Sales History
The last sale was on 25th June 2025 for £2,200,000 and since then the market in the area has decreased by 2.8%. The postcode has had a total of 42 sales since 1995.
SW7 3NP has seen 4 sales in the last three years and no sales in the last twelve months.
- Sold Jun 2025£2,200,000 | 3 Bed FlatFlat 9, 14, Onslow Square, London, SW7 3NPFlat 9, 14, Onslow Square, London, SW7 3NP
- Sold Sep 2024£3,700,000 | 3 Bed Flat2, Onslow Square, London, SW7 3NP2, Onslow Square, London, SW7 3NP
- Sold Aug 2024£4,100,000 | 3 Bed Flat4, Onslow Square, London, SW7 3NP4, Onslow Square, London, SW7 3NP
- Sold Jul 2024£1,975,000 | 3 Bed FlatFlat 10, 14, Onslow Square, London, SW7 3NPFlat 10, 14, Onslow Square, London, SW7 3NP
- Sold Sep 2021£525,000 | 3 Bed FlatFlat 10, 14, Onslow Square, London, SW7 3NPFlat 10, 14, Onslow Square, London, SW7 3NP
Nearby Postcodes
SW7 3NP is the 372nd largest and the 327th most expensive postcode out of the 505 postcodes in the SW7 area.
- SW7 3NN, Sydney Place, London, SW7SW7 3NN7 Addresses|43 m away
- SW7 3NS, Onslow Square, London, SW7SW7 3NS30 Addresses|61 m away
- SW7 3NL, Sydney Place, London, SW7SW7 3NL12 Addresses|74 m away
- SW7 3NJ, Onslow Square, London, SW7SW7 3NJ53 Addresses|83 m away
- SW7 3NT, Sumner Place, London, SW7SW7 3NT9 Addresses|93 m away
Property Types
- 32 period flats built between 1800 and 1911
- 2 other addresses of unknown type
- period flat (32)
- Unknown (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 23 properties.
- The most common rating is C.
- A (0)
- E (6)
- B (0)
- F (1)
- C (10)
- G (0)
- D (6)
- No EPC (11)
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 | 3 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
- Oratory Roman Catholic Primary School300 m away
- Our Lady of Victories RC Primary School500 m away
- Marlborough Primary School500 m away
- St. Thomas More Language College700 m away
- Chelsea Academy1.7 km away
- The London Oratory School1.8 km away
More reading links
Public Transport Nearby
The closest station to SW7 3NP is South Kensington station, which is 200 metres away.
- South Kensington|200 m away
- Gloucester Road|700 m away
- Knightsbridge|1.1 km away
- Sloane Square|1.1 km away