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SA1 4EH

Castle · Swansea · Wales

Updated September 2026

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Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA1 5JZ 38 m
SA1 4EW 51 m
SA1 5SG 58 m
SA1 5HY 84 m
SA1 5SF 86 m
Complete postcode fields and official codes
Postcode
SA1 4EH
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA1
Postcode sector
SA1 4
Latitude
51.620298
Longitude
-3.948840
British National Grid easting
265,182
British National Grid northing
193,074

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
W00010413
Lower layer super output area
Swansea 025B · W01000745
Middle layer super output area
Swansea 025 · W02000192

Postcode source versions

Explore SA1

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
3 recorded sales at this postcode
Address Date Price
A V C House, 21, Northampton Lane, Swansea, SA1 4EH 8 September 2025 £225,000
18, Northampton Lane, Swansea, SA1 4EH 10 March 2025 £120,000
Escape, Northampton Lane, Swansea, SA1 4EH 13 April 2018 £80,275

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
38
Primary
0
Secondary
0

  1. Terrace Road Primary School

    Welsh establishment

    543 m

  2. St Helen's Primary School

    Welsh establishment

    634 m

  3. Sea View Community Primary School

    Welsh establishment

    674 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
7,519
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 2,679
  • Shoplifting 1,100
  • Public order 829
  • Anti social behaviour 656
  • Criminal damage and arson 490

Census 2021

Population and age profile

Postcode residents
13

1 female, 12 male

Postcode households
7
Residents per household
1.9
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

This postcode contained 0.3% of the sector's usual residents on Census Day. The age profile describes the wider SA1 4 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+
90.5%
Ultrafast, 100 Mbit/s+
90.5%
Ultrafast, 300 Mbit/s+
90.5%
Gigabit-capable
90.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
90.5%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

19

within 5 km

  • KINGSWAY SURGERY

    37 THE KINGSWAY, SWANSEA, SA1 5LF

    ODS code W98027

    226 m

  • NICHOLL STREET MEDICAL CENTRE

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

    ODS code W98020

    257 m

  • ABERTAWE MEDICAL PARTNERS

    151 ST. HELENS ROAD, SWANSEA, SA1 4DF

    ODS code W98608

    436 m

  • BRUNSWICK HEALTH CENTRE

    PHILLIPS PARADE, SWANSEA, SA1 4JL

    ODS code W98024

    682 m

  • THE GROVE MEDICAL CENTRE

    6 UPLANDS TERRACE, UPLANDS, SWANSEA, SA2 0GU

    ODS code W98023

    1.2 km

  • MAYHILL SURGERY

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

    ODS code W98015

    1.3 km

  • CWMFELIN MEDICAL CENTRE

    298 CARMARTHEN ROAD, SWANSEA, SA1 1HW

    ODS code W98003

    1.5 km

  • UPLANDS & MUMBLES SURGERY

    46-48 SKETTY ROAD, SWANSEA, SA2 0LJ

    ODS code W98049

    1.5 km

  • HARBOURSIDE HEALTH CENTRE

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

    ODS code W98056

    1.7 km

  • THE BEACON CENTRE FOR HEALTH

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

    ODS code W98057

    1.7 km

  • MANSELTON SURGERY

    ELGIN STREET, MANSELTON, SWANSEA, SA5 8QE

    ODS code W98043

    2.1 km

  • ST. THOMAS SURGERY

    YSGOL STREET, PORT TENNANT, SWANSEA, SA1 8LH

    ODS code W98016

    2.3 km

  • UNIVERSITY HEALTH CENTRE

    PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG

    ODS code W98053

    2.5 km

  • SKETTY & KILLAY MEDICAL CENTRE

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

    ODS code W98021

    2.5 km

  • BRYNHYFRYD MEDICAL CENTRE

    499 LLANGYFELACH ROAD, BRYNHYFRYD, SWANSEA, SA5 9EA

    ODS code W98004

    2.8 km

  • DR BENSUSAN & PARTNERS

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

    ODS code W98007

    3.2 km

  • DR POWELL & PARTNERS

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

    ODS code W98028

    3.2 km

  • CHERITON MEDICAL CENTRE

    CHERITON CRESCENT, PORTMEAD, SWANSEA, SA5 5LA

    ODS code W98612

    3.6 km

  • CLASE SURGERY

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

    ODS code W98039

    4.5 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

Source acquired on 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Christina Street

    BCT · Swansea

    0.0 miles

  • Christina Street

    BCT · Swansea

    0.0 miles

  • Craddock Street B

    BCT · Swansea

    0.1 miles

  • Craddock Street C

    BCT · Swansea

    0.1 miles

  • Craddock Street A

    BCT · Swansea

    0.1 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £172,500 from 2 recorded sales in SA1 4EH. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Swansea is £206,059 in June 2026, up 0.2% year on year.

Schools

Published establishments

38 open schools are in scope, including 0 primary and 0 secondary schools. Terrace Road Primary School is the nearest published school at 543 m.

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

Recorded crime

Published police records

7,519 published events cover 12 months, averaging 626.583 events per published month. The largest recorded category is Violence and sexual offences with 2,679 events.

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