SA3 3BU

Caswell Bay, Swansea - SA3 3BU

Last updated Jul 2026

Key Postcode Insights

SA3 3BU is a residential postcode situated on Caswell Bay, Swansea, SA3 with 14 addresses.

It ranks as the 417th largest and 967th most expensive of the 983 postcodes in the SA3 area. The most common property type is a period house built between 1800 and 1911.

The postcode contains a total of 14 properties: 14 houses.

Ave. Sale Price
£1,108,035
10 Year change
up 42.4%
Ave. Rental Price
£3,893pcm
10 Year change
up 66.2%
Ave. £ per ft²
£396/ft²
Ave. Gross Yield
4.2%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin SA3 3BU

House
8 houses
Group
0 flats

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data sources

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Nearby Postcodes

SA3 3BU is the 417th largest and the 967th most expensive postcode out of the 983 postcodes in the SA3 area.

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Property Types

  • 4 period houses built between 1800 and 1911
  • 2 modern houses built after 1980
  • 2 mid-century houses built between 1936 and 1979
  • 6 other addresses of unknown type
  • period house (4)
  • modern house (2)
  • mid-century house (2)
  • Unknown (6)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 8 properties.
  • The most common rating is B.
  • A (0)
  • E (1)
  • B (3)
  • F (0)
  • C (2)
  • G (0)
  • D (2)
  • No EPC (6)
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Schools Nearby

Schools Nearby

      More reading links
      Source: Ofsted 2026
      Public Transport Nearby

      Public Transport Nearby

      The closest station to SA3 3BU is Gowerton station, which is 8.7 kilometres away.

      • Gowerton
        |
        8.7 km away
      • Swansea
        |
        9.1 km away
      • Bynea
        |
        12.0 km away
      • Llangennech
        |
        13.7 km away
      Source: National Rail
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