SA1 1JG

SA1 1JGHouse Prices / Wales, Swansea, Castle Street

Last updated May 2026

Key Postcode Insights

SA1 1JG is a residential postcode situated on Castle Street, Swansea, SA1 with 105 addresses.

It ranks as the 1808th largest and 101st most expensive of the 1,821 postcodes in the SA1 area. The dominant property type is a modern flat built after 1980.

The postcode contains a total of 105 properties: 75 flats and 30 other properties.

105
Properties
  • Flats
  • Other (unknown)

Our partners and
data sources

Get a Fast Offer
for your property
Blog header image

House Pricesin SA1 1JG

Sale prices range from £74,445 for 1 bedroom leasehold flats (344 ft2) to £122,607 for 3 bedroom leasehold flats (1,033 ft2) .

Monthly rental prices range from £510 pcm for 1 bed flats to £739 pcm for 3 bed flats.

The gross rental yield is between 7.2% and 8.3%.

The average value per square foot is £177.

Average Sale Value
£89,511
Average Rental Value
£598 pcm
Average Rental Yield
8.0% /year
Average Value Per Sqft
£177 /ft2
Prices last updated 1st May 2026
Blog header image
Blog header image
Properties list background

Explore Buildingsin SA1 1JG, Castle Street, Swansea, SA1

properties list title title

Sales History
in SA1 1JG

The last sale was on 29th August 2025 for £85,000 and since then the market in the area has increased by 9.7%. The postcode has had a total of 62 sales since 1995.

SA1 1JG has seen 2 sales in the last three years and 1 sale in the last twelve months.

properties list title title

Nearby Postcodesto SA1 1JG

SA1 1JG is the 1808th largest and the 101st most expensive postcode out of the 1,821 postcodes in the SA1 area.

Be the first Estate
Agent here!

properties list title title

Property Typesin SA1 1JG

  • 105 modern flats built after 1980
  • modern flat (105)
Energy Efficiency

Energy Efficiencyof properties in SA1 1JG

  • Energy Performance Certificate (EPC) surveys conducted for 73 properties.
  • The dominant rating is C.
  • A (0)
  • E (15)
  • B (3)
  • F (0)
  • C (37)
  • G (0)
  • D (18)
  • No EPC (2)
properties list title title
Schools Nearby

Schools Nearbyto SA1 1JG

      More reading links
      Source: Ofsted 2026
      Public Transport Nearby

      Public Transport Nearbyto SA1 1JG

      The closest station to SA1 1JG is Swansea station which is 400 metres away.

      • 449
        m
        Swansea
      • 6.0
        km
        Llansamlet
      • 7.2
        km
        Gowerton
      • 8.0
        km
        Skewen
      Source: National Rail