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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
SW1Y 4LBHouse Prices / London, Westminster, St. James's Square
Last updated May 2026
Key Postcode Insights
SW1Y 4LB is a residential postcode situated on St. James's Square, London, SW1 with 5 addresses.
It ranks as the 466th largest and 1434th most expensive of the 1,807 postcodes in the SW1Y area.
The postcode contains a total of 5 properties: 5 houses.
5
Properties
- Houses
Key Postcode Insights
SW1Y 4LB is a residential postcode situated on St. James's Square, London, SW1 with 5 addresses.
It ranks as the 466th largest and 1434th most expensive of the 1,807 postcodes in the SW1Y area.
The postcode contains a total of 5 properties: 5 houses.
5
Properties
- Houses
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House Pricesin SW1Y 4LB
Sale prices range from £2,422,540 for 4 bedroom freehold houses with a garden (1,808 ft2) to £5,900,891 for 4 bedroom freehold houses with a garden (1,808 ft2) .
Monthly rental prices range from £10,426 pcm for 4 bed houses to £16,223 pcm for 4 bed houses.
The gross rental yield is between 3.3% and 5.2%.
The average value per square foot is £1,340.
Average Sale Value
£3,118,211
Average Rental Value
£11,585 pcm
Average Rental Yield
4.5% /year
Average Value Per Sqft
£1,340 /ft2
Sales Market Trendsin SW1Y 4LB
The last sale in SW1Y 4LB sold for £162,000,000 on 19th December 2024. Since then prices are down an average of 0.0%.
The current average value in the postcode is £3,118,211.
The SW1Y 4LB Sales Market has decreased by 11.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | -6.1% | £3,118,211 |
| April 2025 | -2.9% | £3,320,427 |
| April 2024 | 0.2% | £3,418,826 |
| April 2023 | 0.9% | £3,411,254 |
| April 2022 | 3.6% | £3,380,501 |
| April 2021 | -1.7% | £3,262,596 |
| April 2020 | 3% | £3,318,618 |
| April 2019 | -1.3% | £3,223,135 |
| April 2018 | -3.3% | £3,264,989 |
| April 2017 | -3.5% | £3,378,137 |
| April 2016 | 2.3% | £3,502,053 |
| April 2015 | 2.9% | £3,424,920 |
| April 2014 | 15.3% | £3,327,740 |
| April 2013 | 14% | £2,886,332 |
| April 2012 | 13.6% | £2,532,797 |
| April 2011 | 7.5% | £2,230,391 |
| April 2010 | 10% | £2,075,075 |
| April 2009 | -8.7% | £1,885,840 |
| April 2008 | 18.4% | £2,064,892 |
| April 2007 | 0% | £1,744,126 |
Rental Market Trendsin SW1Y 4LB
The current average rental value in the postcode is £11,585.
The SW1Y 4LB Rental Market has increased by 40.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.4% | £11,585pcm |
| April 2025 | 4.7% | £11,201pcm |
| April 2024 | 0.9% | £10,699pcm |
| April 2023 | 12.6% | £10,599pcm |
| April 2022 | 23.8% | £9,417pcm |
| April 2021 | -11% | £7,609pcm |
| April 2020 | 0.2% | £8,546pcm |
| April 2019 | 3.5% | £8,532pcm |
| April 2018 | 2.9% | £8,245pcm |
| April 2017 | -3.2% | £8,010pcm |
| April 2016 | 0.6% | £8,271pcm |
| April 2015 | 1.3% | £8,220pcm |
| April 2014 | 1.3% | £8,112pcm |
| April 2013 | 0.3% | £8,009pcm |
| April 2012 | 6.8% | £7,985pcm |
| April 2011 | 12.5% | £7,479pcm |
| April 2010 | 7.1% | £6,649pcm |
| April 2009 | -11.7% | £6,211pcm |
| April 2008 | 8.4% | £7,032pcm |
| April 2007 | 0% | £6,485pcm |
Explore Propertiesin SW1Y 4LB, St. James's Square, London, SW1
Sales Historyin SW1Y 4LB
The last sale was on 19th December 2024 for £162,000,000 and since then the market in the area has remained stable. The postcode has had a total of 1 sales since 1995.
SW1Y 4LB has seen 1 sale in the last three years and no sales in the last twelve months.
Nearby Postcodesto SW1Y 4LB
SW1Y 4LB is the 466th largest and the 1434th most expensive postcode out of the 1,807 postcodes in the SW1Y area.
- 45 mSW1Y 6BU, Masons Yard, London, SW1SW1Y 6BU12 Addresses
- 60 mSW1Y 6LA, Duke Of York Street, London, SW1SW1Y 6LA23 Addresses
- 64 mSW1Y 6JT, Ormond Yard, London, SW1SW1Y 6JT14 Addresses
- 64 mSW1Y 6JX, Duke Of York Street, London, SW1SW1Y 6JX19 Addresses
- 66 mSW1Y 6BL, Duke Street, London, SW1SW1Y 6BL24 Addresses
- 73 mSW1Y 6QG, King Street, London, SW1SW1Y 6QG10 Addresses
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Property Typesin SW1Y 4LB
- 5 other addresses of unknown type
- Unknown (5)
Energy Efficiencyof properties in SW1Y 4LB
- Energy Performance Certificate (EPC) surveys conducted for 0 properties.
- The dominant rating is no_epc_ratings.
- A (0)
- E (0)
- B (0)
- F (0)
- C (0)
- G (0)
- D (0)
- No EPC (5)
Top 3 Most Expensive Saleson St. James's Square
Schools Nearbyto SW1Y 4LB
The nearest primary school to SW1Y 4LB is Soho Parish CofE Primary School which is 494 metres away.
- 494mSoho Parish CofE Primary School
- 949mSt George's Hanover Square CofE Primary School
- 1.2kmSt Matthew's School, Westminster
The nearest secondary school is Westminster City School which is 1.1 kilometres away.
- 1.1kmWestminster City School
- 1.3kmThe Grey Coat Hospital
- 2.0kmThe St Marylebone CofE School
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Public Transport Nearbyto SW1Y 4LB
The closest station to SW1Y 4LB is Piccadilly Circus station which is 300 metres away.
- 266mPiccadilly Circus
- 440mGreen Park
- 744mLeicester Square
- 806mCharing Cross
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