SW1Y 4JH

SW1Y 4JHHouse Prices / London, Westminster, St. James's Square

Last updated May 2026

Key Postcode Insights

SW1Y 4JH is a residential postcode situated on St. James's Square, London, SW1 with 47 addresses.

It ranks as the 1610th largest and 1104th most expensive of the 1,807 postcodes in the SW1Y area. The dominant property type is a period flat built between 1800 and 1911.

The postcode contains a total of 47 properties: 2 houses and 45 flats.

47
Properties
  • Houses
  • Flats

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House Pricesin SW1Y 4JH

Sale prices range from £723,231 for 2 bedroom leasehold flats with a balcony and garden (845 ft2) to £3,680,467 for 5 bedroom freehold houses with a garden (3,401 ft2) .

Monthly rental prices range from £3,514 pcm for 2 bed flats to £15,454 pcm for 5 bed houses.

The gross rental yield is between 3.9% and 5.8%.

The average value per square foot is £1,090.

Average Sale Value
£1,352,437
Average Rental Value
£5,417 pcm
Average Rental Yield
4.8% /year
Average Value Per Sqft
£1,090 /ft2
Prices last updated 1st May 2026
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Sales History
in SW1Y 4JH

The last sale was on 21st October 2024 for £2,450,000 and since then the market in the area has decreased by 4.9%. The postcode has had a total of 55 sales since 1995.

SW1Y 4JH has seen 1 sale in the last three years and no sales in the last twelve months.

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Nearby Postcodesto SW1Y 4JH

SW1Y 4JH is the 1610th largest and the 1104th most expensive postcode out of the 1,807 postcodes in the SW1Y area.

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Property Typesin SW1Y 4JH

  • 45 period flats built between 1800 and 1911
  • 2 other addresses of unknown type
  • period flat (45)
  • Unknown (2)
Energy Efficiency

Energy Efficiencyof properties in SW1Y 4JH

  • Energy Performance Certificate (EPC) surveys conducted for 30 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (2)
  • F (0)
  • C (23)
  • G (0)
  • D (5)
  • No EPC (17)
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Schools Nearby

Schools Nearbyto SW1Y 4JH

The nearest primary school to SW1Y 4JH is Soho Parish CofE Primary School which is 579 metres away.
  • 579
    m
    Soho Parish CofE Primary School
  • 1.1
    km
    St Matthew's School, Westminster
  • 1.1
    km
    St George's Hanover Square CofE Primary School
The nearest secondary school is Westminster City School which is 995 metres away.
  • 995
    m
    Westminster City School
  • 1.2
    km
    The Grey Coat Hospital
  • 1.9
    km
    London Nautical, City of London Academy
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SW1Y 4JH

The closest station to SW1Y 4JH is Piccadilly Circus station which is 300 metres away.

  • 335
    m
    Piccadilly Circus
  • 540
    m
    Green Park
  • 719
    m
    Charing Cross
  • 745
    m
    Leicester Square
Source: TfL
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