SW3 3RX

Key Postcode Insights

SW3 3RX is a residential postcode situated on Astell Street, London, SW3 with 13 addresses.

It ranks as the 330th largest and 440th most expensive of the 782 postcodes in the SW3 area. The dominant property type is a mid-century flat built between 1936 and 1979.

The postcode contains a total of 13 properties: 13 flats.

13
Properties
  • Flats

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House Pricesin SW3 3RX

Sale prices range from £1,342,316 for 2 bedroom leasehold flats with a balcony (850 ft2) to £2,865,807 for 3 bedroom leasehold flats with a balcony (1,765 ft2) .

Monthly rental prices range from £4,522 pcm for 2 bed flats to £9,358 pcm for 3 bed flats.

The gross rental yield is between 3.9% and 4.2%.

The average value per square foot is £1,608.

Average Sale Value
£2,081,862
Average Rental Value
£6,984 pcm
Average Rental Yield
4.0% /year
Average Value Per Sqft
£1,608 /ft2
Prices last updated 1st May 2026
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Explore Buildingsin SW3 3RX, Astell Street, London, SW3

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Sales History
in SW3 3RX

The last sale was on 22nd August 2022 for £3,400,000 and since then the market in the area has decreased by 10.3%. The postcode has had a total of 21 sales since 1995.

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

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Nearby Postcodesto SW3 3RX

SW3 3RX is the 330th largest and the 440th most expensive postcode out of the 782 postcodes in the SW3 area.

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Property Typesin SW3 3RX

  • 13 mid-century flats built between 1936 and 1979
  • mid-century flat (13)
Energy Efficiency

Energy Efficiencyof properties in SW3 3RX

  • Energy Performance Certificate (EPC) surveys conducted for 6 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (4)
  • G (0)
  • D (2)
  • No EPC (7)
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Schools Nearby

Schools Nearbyto SW3 3RX

The nearest primary school to SW3 3RX is Oratory Roman Catholic Primary School which is 202 metres away.
  • 202
    m
    Oratory Roman Catholic Primary School
  • 271
    m
    Marlborough Primary School
  • 446
    m
    St Joseph's Catholic Primary School
The nearest secondary school is St. Thomas More Language College which is 446 metres away.
  • 446
    m
    St. Thomas More Language College
  • 1.8
    km
    Chelsea Academy
  • 1.8
    km
    Saint John Bosco College
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto SW3 3RX

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

  • 630
    m
    South Kensington
  • 767
    m
    Sloane Square
  • 1.1
    km
    Knightsbridge
  • 1.2
    km
    Gloucester Road
Source: TfL