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SA1 4NX

Castle · Swansea · Wales

Updated September 2026

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Location overview

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Ward
Castle
Local authority
Swansea
Constituency
Swansea West
Postcode district
SA1
Postcode sector
SA1 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA1 2AG 13 m
SA1 2AB 35 m
SA1 2AE 78 m
SA1 2AF 79 m
SA1 2AX 96 m
Complete postcode fields and official codes
Postcode
SA1 4NX
Status
Terminated
Introduced
1 January 1980
Terminated
1 December 1986
Postcode area
SA
Postcode district
SA1
Postcode sector
SA1 4
Latitude
51.620680
Longitude
-3.939929
British National Grid easting
265,800
British National Grid northing
193,100

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
W00010090
Lower layer super output area
Swansea 025F · W01001955
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
36
Primary
0
Secondary
0

  1. St Thomas Community Primary School

    Welsh establishment

    861 m

  2. Terrace Road Primary School

    Welsh establishment

    1.1 km

  3. St Helen's Primary School

    Welsh establishment

    1.1 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
6,836
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,444
  • Shoplifting 1,043
  • Public order 735
  • Anti social behaviour 583
  • Criminal damage and arson 432

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SA1 4 residents
4,447

Age bands in SA1 4

Wider postcode sector
Age 0 to 14
8%

316 residents

Age 15 to 24
45.8%

1,816 residents

Age 25 to 44
19.9%

790 residents

Age 45 to 64
13.3%

529 residents

Age 65 and over
13%

514 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

    405 m

  • NICHOLL STREET MEDICAL CENTRE

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

    ODS code W98020

    871 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

    1.1 km

  • THE BEACON CENTRE FOR HEALTH

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

    ODS code W98057

    1.1 km

  • BRUNSWICK HEALTH CENTRE

    PHILLIPS PARADE, SWANSEA, SA1 4JL

    ODS code W98024

    1.3 km

  • MAYHILL SURGERY

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

    ODS code W98015

    1.5 km

  • CWMFELIN MEDICAL CENTRE

    298 CARMARTHEN ROAD, SWANSEA, SA1 1HW

    ODS code W98003

    1.6 km

  • ST. THOMAS SURGERY

    YSGOL STREET, PORT TENNANT, SWANSEA, SA1 8LH

    ODS code W98016

    1.7 km

  • THE GROVE MEDICAL CENTRE

    6 UPLANDS TERRACE, UPLANDS, SWANSEA, SA2 0GU

    ODS code W98023

    1.8 km

  • UPLANDS & MUMBLES SURGERY

    46-48 SKETTY ROAD, SWANSEA, SA2 0LJ

    ODS code W98049

    2.1 km

  • MANSELTON SURGERY

    ELGIN STREET, MANSELTON, SWANSEA, SA5 8QE

    ODS code W98043

    2.3 km

  • BRYNHYFRYD MEDICAL CENTRE

    499 LLANGYFELACH ROAD, BRYNHYFRYD, SWANSEA, SA5 9EA

    ODS code W98004

    2.8 km

  • UNIVERSITY HEALTH CENTRE

    PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG

    ODS code W98053

    3.1 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

    3.5 km

  • DR POWELL & PARTNERS

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

    ODS code W98028

    3.5 km

  • CHERITON MEDICAL CENTRE

    CHERITON CRESCENT, PORTMEAD, SWANSEA, SA5 5LA

    ODS code W98612

    3.9 km

  • CLASE SURGERY

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

    ODS code W98039

    4.4 km

Nearby transport

  • Castle Square

    BCT · Swansea

    0.1 miles

  • Sainsbury's Quay Parade

    BCT · Swansea

    0.1 miles

  • Castle Square

    BCT · Swansea

    0.1 miles

  • Sainsbury's Quay Parade

    BCT · Swansea

    0.1 miles

  • High Street 1

    BCT · Swansea

    0.1 miles

Evidence in context

Schools

36 open schools are in scope, including 0 primary and 0 secondary schools. St Thomas Community Primary School is the nearest published school at 861 m.

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

Recorded crime

6,836 published events cover 12 months, averaging 569.667 events per published month. The largest recorded category is Violence and sexual offences with 2,444 events.

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