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SA1 3NJ

Castle · Swansea · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward
Castle
Local authority
Swansea
Constituency
Swansea West
Postcode district
SA1
Postcode sector
SA1 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA1 3LZ 26 m
SA1 1ED 43 m
SA1 1EE 79 m
SA1 1SN 87 m
SA1 3NE 90 m
Complete postcode fields and official codes
Postcode
SA1 3NJ
Status
Terminated
Introduced
1 December 1998
Terminated
1 May 2007
Postcode area
SA
Postcode district
SA1
Postcode sector
SA1 3
Latitude
51.618257
Longitude
-3.939060
British National Grid easting
265,853
British National Grid northing
192,829

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Swansea · W06000011
Electoral ward
Castle · W05001041
Parish or community
W04001033
Westminster constituency
Swansea West · W07000108
Output area
W00003990
Lower layer super output area
Swansea 025I · W01001997
Middle layer super output area
Swansea 025 · W02000192

Postcode source versions

Explore SA1

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
34
Primary
0
Secondary
0

  1. St Thomas Community Primary School

    Welsh establishment

    982 m

  2. St Helen's Primary School

    Welsh establishment

    1.1 km

  3. Terrace Road Primary School

    Welsh establishment

    1.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
6,480
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,270
  • Shoplifting 1,038
  • Public order 678
  • Anti social behaviour 559
  • Drugs 401

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SA1 3 residents
4,015

Age bands in SA1 3

Wider postcode sector
Age 0 to 14
11.2%

448 residents

Age 15 to 24
24.4%

977 residents

Age 25 to 44
27.6%

1,106 residents

Age 45 to 64
19.7%

789 residents

Age 65 and over
17.2%

692 residents

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

GP practices

19

within 5 km straight-line

  • KINGSWAY SURGERY

    37 THE KINGSWAY, SWANSEA, SA1 5LF

    ODS code W98027

    554 m

  • NICHOLL STREET MEDICAL CENTRE

    NICHOLL ST MEDICAL CENTR, 33 NICHOLL STREET, SWANSEA, SA1 4HF

    ODS code W98020

    936 m

  • ABERTAWE MEDICAL PARTNERS

    151 ST. HELENS ROAD, SWANSEA, SA1 4DF

    ODS code W98608

    1.0 km

  • HARBOURSIDE HEALTH CENTRE

    BEACON CENTRE FOR HEALTH, LANGDON ROAD, SWANSEA, SA1 8QY

    ODS code W98056

    1.0 km

  • THE BEACON CENTRE FOR HEALTH

    SA1 MEDICAL CENTRE, LANGDON ROAD, SWANSEA, SA1 8QY

    ODS code W98057

    1.0 km

  • BRUNSWICK HEALTH CENTRE

    PHILLIPS PARADE, SWANSEA, SA1 4JL

    ODS code W98024

    1.3 km

  • ST. THOMAS SURGERY

    YSGOL STREET, PORT TENNANT, SWANSEA, SA1 8LH

    ODS code W98016

    1.6 km

  • MAYHILL SURGERY

    MOUNTAIN VIEW HEALTH CENTRE, 51 MAYHILL ROAD, MAYHILL, SWANSEA, SA1 6TD

    ODS code W98015

    1.8 km

  • CWMFELIN MEDICAL CENTRE

    298 CARMARTHEN ROAD, SWANSEA, SA1 1HW

    ODS code W98003

    1.9 km

  • THE GROVE MEDICAL CENTRE

    6 UPLANDS TERRACE, UPLANDS, SWANSEA, SA2 0GU

    ODS code W98023

    1.9 km

  • UPLANDS & MUMBLES SURGERY

    46-48 SKETTY ROAD, SWANSEA, SA2 0LJ

    ODS code W98049

    2.2 km

  • MANSELTON SURGERY

    ELGIN STREET, MANSELTON, SWANSEA, SA5 8QE

    ODS code W98043

    2.5 km

  • BRYNHYFRYD MEDICAL CENTRE

    499 LLANGYFELACH ROAD, BRYNHYFRYD, SWANSEA, SA5 9EA

    ODS code W98004

    3.0 km

  • UNIVERSITY HEALTH CENTRE

    PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG

    ODS code W98053

    3.0 km

  • SKETTY & KILLAY MEDICAL CENTRE

    SKETTY SURGERY, DE LA BECHE ROAD, SKETTY, SWANSEA, SA2 9EA

    ODS code W98021

    3.2 km

  • DR BENSUSAN & PARTNERS

    PR2 FFORESTFACH MEDICL CENTRE, RAVENHILL ROAD, RAVENHILL, SWANSEA, SA5 5AA

    ODS code W98007

    3.8 km

  • DR POWELL & PARTNERS

    PR1 FFORESTFACH MEDICAL CENTRE, RAVENHILL ROAD, RAVENHILL, SWANSEA, SA5 5AA

    ODS code W98028

    3.8 km

  • CHERITON MEDICAL CENTRE

    CHERITON CRESCENT, PORTMEAD, SWANSEA, SA5 5LA

    ODS code W98612

    4.1 km

  • CLASE SURGERY

    GREENHILL MEDICAL CENTRE, 88 MYNYDD GARNLWYD ROAD, MORRISTON, SWANSEA, SA6 7NZ

    ODS code W98039

    4.7 km

Nearby transport

  • Swansea Museum

    BCT · Swansea

    0.1 miles

  • Sainsbury's Quay Parade

    BCT · Swansea

    0.1 miles

  • Sainsbury's Quay Parade

    BCT · Swansea

    0.1 miles

  • Swansea Environment Centre

    BCT · Swansea

    0.1 miles

  • St Mary`s Church 2

    BCT · Swansea

    0.2 miles

Evidence in context

Schools

34 open schools are in scope, including 0 primary and 0 secondary schools. St Thomas Community Primary School is the nearest published school at 982 m.

Counts describe active establishment records. They do not assess admissions, catchments or quality.

Recorded crime

6,480 published events cover 12 months, averaging 540 events per published month. The largest recorded category is Violence and sexual offences with 2,270 events.

The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.