SA3 4JT

Mumbles · Swansea · Wales

Updated September 2026

Compare this postcode

Location overview

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

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA3 4JW 275 m
SA3 4JS 306 m
SA3 4JR 337 m
SA3 4JU 381 m
SA3 4EN 419 m
Complete postcode fields and official codes
Postcode
SA3 4JT
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA3
Postcode sector
SA3 4
Latitude
51.565994
Longitude
-3.981436
British National Grid easting
262,762
British National Grid northing
187,096

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
W00004419
Lower layer super output area
Swansea 031D · W01000826
Middle layer super output area
Swansea 031 · W02000198

Postcode source versions

Explore SA3

2 recorded sales at this postcode
Address Date Price
Life Boat Cottage, Mumbles Road, Mumbles, Swansea, SA3 4JT 6 June 2024 £250,000
Life Boat Cottage, Mumbles Road, Mumbles, Swansea, SA3 4JT 5 June 2020 £180,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0
  1. Oystermouth Primary School

    Welsh establishment

    1.8 km
  2. Grange Primary School

    Welsh establishment

    2.5 km
  3. St David's Catholic Primary School

    Welsh establishment

    2.5 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
139
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 57
  • Public order 22
  • Anti social behaviour 15
  • Criminal damage and arson 10
  • Shoplifting 9

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.

Fixed broadband coverage

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

Superfast, 30 Mbit/s+
100%
Ultrafast, 100 Mbit/s+
100%
Ultrafast, 300 Mbit/s+
100%
Gigabit-capable
100%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
100%
Decent broadband available from fixed wireless
33.3%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

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

GP practices

3

within 5 km straight-line

  • KINGS ROAD SURGERY

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

    ODS code W98055

    1.7 km

  • THE MUMBLES MEDICAL PRACTICE

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

    ODS code W98033

    2.3 km

  • UNIVERSITY HEALTH CENTRE

    PENMAEN RESIDENCES, SINGLETON PARK, SWANSEA, SA2 8PG

    ODS code W98053

    4.9 km

Nearby transport

  • Bracelet Bay

    BCT · Bracelet Bay

    0.1 miles
  • Pier Hotel

    BCT · Bracelet Bay

    0.2 miles
  • Plunch Lane (Bottom)

    BCT · Limeslade

    0.2 miles
  • Plunch Lane (Bottom)

    BCT · Limeslade

    0.2 miles
  • Pier Hotel

    BCT · Bracelet Bay

    0.2 miles

Evidence in context

Property market

The five-year median is £250,000 from 1 recorded sale in SA3 4JT. 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

8 open schools are in scope, including 0 primary and 0 secondary schools. Oystermouth Primary School is the nearest published school at 1.1 miles.

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

Recorded crime

139 published events cover 12 months, averaging 11.583 events per published month. The largest recorded category is Violence and sexual offences with 57 events.

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