Basil Street - SW3 1AX
Key Postcode Insights
SW3 1AX is a residential postcode situated on Basil Street, London, SW3 with 45 addresses.
It ranks as the 720th largest and 31st most expensive of the 779 postcodes in the SW3 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 45 properties: 45 flats.
- Ave. Sale Price
- £624,224
- 10 Year change
- down 17.2%
- Ave. Rental Price
- £2,850pcm
- 10 Year change
- up 34.0%
- Ave. £ per ft²
- £1,302/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Key Postcode Insights
SW3 1AX is a residential postcode situated on Basil Street, London, SW3 with 45 addresses.
It ranks as the 720th largest and 31st most expensive of the 779 postcodes in the SW3 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 45 properties: 45 flats.
- Ave. Sale Price
- £624,224
- 10 Year change
- down 17.2%
- Ave. Rental Price
- £2,850pcm
- 10 Year change
- up 34.0%
- Ave. £ per ft²
- £1,302/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Explore Propertiesin SW3 1AX
Sales Market Trends
The last sale in SW3 1AX sold for £450,000 on 20th June 2025. Since then prices are down an average of 3.3%.
The current average value in the postcode is £624,224.
The SW3 1AX Sales Market has decreased by 17.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.8% | £624,224 |
| June 2025 | -3.8% | £642,152 |
| June 2024 | -3.3% | £667,463 |
| June 2023 | -2.1% | £690,195 |
| June 2022 | 2.3% | £704,769 |
| June 2021 | -1.7% | £689,142 |
| June 2020 | 2.7% | £701,204 |
| June 2019 | -1.1% | £682,870 |
| June 2018 | -4.9% | £690,787 |
| June 2017 | -3.7% | £726,370 |
| June 2016 | -4.8% | £754,193 |
| June 2015 | 1.4% | £791,928 |
| June 2014 | 15.4% | £780,813 |
| June 2013 | 7.2% | £676,630 |
| June 2012 | 13.1% | £631,164 |
| June 2011 | 10.7% | £558,051 |
| June 2010 | 16% | £503,892 |
| June 2009 | -7% | £434,576 |
| June 2008 | 8.5% | £467,078 |
| June 2007 | 0% | £430,355 |
Rental Market Trends
The current average rental value in the postcode is £2,850.
The SW3 1AX Rental Market has increased by 34.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 5.9% | £2,850pcm |
| June 2025 | 3.4% | £2,691pcm |
| June 2024 | 0.7% | £2,603pcm |
| June 2023 | 11.4% | £2,586pcm |
| June 2022 | 22.5% | £2,321pcm |
| June 2021 | -6.3% | £1,895pcm |
| June 2020 | -4% | £2,021pcm |
| June 2019 | 3.1% | £2,106pcm |
| June 2018 | -0.2% | £2,044pcm |
| June 2017 | -3.7% | £2,048pcm |
| June 2016 | -3.4% | £2,127pcm |
| June 2015 | 1.6% | £2,201pcm |
| June 2014 | 3.1% | £2,165pcm |
| June 2013 | -1.6% | £2,100pcm |
| June 2012 | 1.1% | £2,134pcm |
| June 2011 | 9.6% | £2,110pcm |
| June 2010 | 13.8% | £1,925pcm |
| June 2009 | -13.4% | £1,692pcm |
| June 2008 | 3.7% | £1,953pcm |
| June 2007 | 0% | £1,884pcm |
Sales History
The last sale was on 20th June 2025 for £450,000 and since then the market in the area has decreased by 3.3%. The postcode has had a total of 81 sales since 1995.
SW3 1AX has seen 4 sales in the last three years and no sales in the last twelve months.
- Sold Jun 2025£450,000 | 1 Bed FlatFlat 8, Jefferson House 11, Basil Street, London, SW3 1AXFlat 8, Jefferson House 11, Basil Street, London, SW3 1AX
- Sold May 2025£1,500,000 | 3 Bed FlatFlat 32, Jefferson House 11, Basil Street, London, SW3 1AXFlat 32, Jefferson House 11, Basil Street, London, SW3 1AX
- Sold Jan 2024£375,000 | 1 Bed FlatFlat 2, Jefferson House 11, Basil Street, London, SW3 1AXFlat 2, Jefferson House 11, Basil Street, London, SW3 1AX
- Sold Sep 2023£226,950 | 1 Bed FlatFlat 8, Jefferson House 11, Basil Street, London, SW3 1AXFlat 8, Jefferson House 11, Basil Street, London, SW3 1AX
- Sold Oct 2022£525,000 | 1 Bed FlatFlat 21, Jefferson House 11, Basil Street, London, SW3 1AXFlat 21, Jefferson House 11, Basil Street, London, SW3 1AX
Nearby Postcodes
SW3 1AX is the 720th largest and the 31st most expensive postcode out of the 779 postcodes in the SW3 area.
- SW3 1AS, Basil Street, London, SW3SW3 1AS11 Addresses|38 m away
- SW3 1BA, Basil Street, London, SW3SW3 1BA11 Addresses|41 m away
- SW3 1AP, Basil Street, London, SW3SW3 1AP38 Addresses|50 m away
- SW3 1AR, Basil Street, London, SW3SW3 1AR13 Addresses|57 m away
- SW3 1DB, Brompton Road, London, SW3SW3 1DB2 Addresses|89 m away
Property Types
- 45 period flats built between 1800 and 1911
- period flat (45)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 33 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (19)
- G (0)
- D (14)
- No EPC (12)
Top 3 Most Expensive Sales
- Sold Feb 2014£7,650,000 | 3 Bed FlatFlat 12, Washington House, Basil Street, London, SW3 1ARFlat 12, Washington House, Basil Street, London, SW3 1AR
- Sold Jul 2013£6,250,000 | 3 Bed FlatApartment 3, 19, Basil Street, London, SW3 1BAApartment 3, 19, Basil Street, London, SW3 1BA
- Sold Mar 2017£6,250,000 | 4 Bed FlatFlat 51, Lincoln House, Basil Street, London, SW3 1AWFlat 51, Lincoln House, Basil Street, London, SW3 1AW
Schools Nearby
- Holy Trinity CofE Primary School800 m away
- St Joseph's Catholic Primary School800 m away
- Marlborough Primary School900 m away
- St. Thomas More Language College800 m away
- Westminster City School1.5 km away
- The Grey Coat Hospital1.9 km away
More reading links
Public Transport Nearby
The closest station to SW3 1AX is Knightsbridge station, which is 100 metres away.
- Knightsbridge|100 m away
- Hyde Park Corner|700 m away
- Sloane Square|900 m away
- South Kensington|1.1 km away