SW3 3RT

Key Postcode Insights

SW3 3RT is a residential postcode situated on Astell Street, London, SW3 with 18 addresses.

It ranks as the 414th largest and 707th most expensive of the 782 postcodes in the SW3 area. The dominant property type is a period house built between 1800 and 1911.

The postcode contains a total of 18 properties: 18 houses.

18
Properties
  • Houses

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House Pricesin SW3 3RT

Sale prices range from £3,085,077 for 3 bedroom freehold houses with a garden (1,189 ft2) to £7,733,328 for 6 bedroom freehold houses with a garden (4,499 ft2) .

Monthly rental prices range from £8,903 pcm for 3 bed houses to £22,916 pcm for 6 bed houses.

The gross rental yield is between 3.4% and 3.6%.

The average value per square foot is £1,988.

Average Sale Value
£5,326,631
Average Rental Value
£15,664 pcm
Average Rental Yield
3.5% /year
Average Value Per Sqft
£1,988 /ft2
Prices last updated 1st May 2026
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Sales History
in SW3 3RT

The last sale was on 30th May 2025 for £6,550,000 and since then the market in the area has decreased by 5.4%. The postcode has had a total of 20 sales since 1995.

SW3 3RT has seen 2 sales in the last three years and no sales in the last twelve months.

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Nearby Postcodesto SW3 3RT

SW3 3RT is the 414th largest and the 707th most expensive postcode out of the 782 postcodes in the SW3 area.

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Property Typesin SW3 3RT

  • 7 period houses built between 1800 and 1911
  • 3 mid-century houses built between 1936 and 1979
  • 4 houses of an unknown age
  • 4 other addresses of unknown type
  • period house (7)
  • mid-century house (3)
  • house (4)
  • Unknown (4)
Energy Efficiency

Energy Efficiencyof properties in SW3 3RT

  • Energy Performance Certificate (EPC) surveys conducted for 10 properties.
  • The dominant rating is D.
  • A (0)
  • E (1)
  • B (0)
  • F (0)
  • C (3)
  • G (0)
  • D (6)
  • No EPC (8)
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Schools Nearby

Schools Nearbyto SW3 3RT

The nearest primary school to SW3 3RT is Oratory Roman Catholic Primary School which is 181 metres away.
  • 181
    m
    Oratory Roman Catholic Primary School
  • 348
    m
    Marlborough Primary School
  • 520
    m
    St Joseph's Catholic Primary School
The nearest secondary school is St. Thomas More Language College which is 520 metres away.
  • 520
    m
    St. Thomas More Language College
  • 1.7
    km
    Chelsea Academy
  • 1.7
    km
    Saint John Bosco College
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SW3 3RT

The closest station to SW3 3RT is South Kensington station which is 600 metres away.

  • 649
    m
    South Kensington
  • 827
    m
    Sloane Square
  • 1.1
    km
    Gloucester Road
  • 1.2
    km
    Knightsbridge
Source: TfL
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