SA3 4SG

Mumbles · Swansea · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward
Mumbles
Local authority
Swansea
Constituency
Gower
Postcode district
SA3
Postcode sector
SA3 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA3 4UJ 77 m
SA3 4SB 86 m
SA3 4RX 99 m
SA3 4SA 146 m
SA3 4UL 158 m
Complete postcode fields and official codes
Postcode
SA3 4SG
Status
Terminated
Introduced
1 January 1993
Terminated
1 May 1994
Postcode area
SA
Postcode district
SA3
Postcode sector
SA3 4
Latitude
51.574387
Longitude
-4.018775
British National Grid easting
260,200
British National Grid northing
188,100

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Swansea · W06000011
Electoral ward
Mumbles · W05001056
Parish or community
W04000583
Westminster constituency
Gower · W07000097
Output area
W00004407
Lower layer super output area
Swansea 031A · W01000823
Middle layer super output area
Swansea 031 · W02000198

Postcode source versions

Explore SA3

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
13
Primary
0
Secondary
0
  1. Newton Primary School

    Welsh establishment

    339 m
  2. Whitestone Primary School

    Welsh establishment

    837 m
  3. Oystermouth Primary School

    Welsh establishment

    1.1 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
359
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 164
  • Anti social behaviour 46
  • Public order 35
  • Criminal damage and arson 26
  • Other theft 21

Census 2021

Population and age profile

Postcode residents
Not supplied
Postcode households
Not supplied
Residents per household
Not available
SA3 4 residents
7,528

Age bands in SA3 4

Wider postcode sector
Age 0 to 14
13.3%

999 residents

Age 15 to 24
8.5%

639 residents

Age 25 to 44
16.8%

1,268 residents

Age 45 to 64
28.7%

2,159 residents

Age 65 and over
32.7%

2,465 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

3

within 5 km straight-line

  • KINGS ROAD SURGERY

    2-6 KINGS ROAD, MUMBLES, SWANSEA, SA3 4AJ

    ODS code W98055

    1.1 km

  • THE MUMBLES MEDICAL PRACTICE

    10 WEST CROSS AVENUE, WEST CROSS, SWANSEA, SA3 5UA

    ODS code W98033

    1.2 km

  • UNIVERSITY HEALTH CENTRE

    PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG

    ODS code W98053

    4.7 km

Nearby transport

  • Picket Mead

    BCT · Newton

    0.1 miles
  • Picket Mead

    BCT · Newton

    0.1 miles
  • Murton Lane

    BCT · Newton

    0.1 miles
  • Rock & Fountain

    BCT · Newton

    0.2 miles
  • Woollacott Drive

    BCT · Newton

    0.2 miles

Evidence in context

Schools

13 open schools are in scope, including 0 primary and 0 secondary schools. Newton Primary School is the nearest published school at 339 m.

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

Recorded crime

359 published events cover 12 months, averaging 29.917 events per published month. The largest recorded category is Violence and sexual offences with 164 events.

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