SA18 1SB

Cwarter Bach · Carmarthenshire · Wales

Updated September 2026

Compare this postcode

Location overview

Drag to pan. Use + or - to zoom. Open larger map
Post town
Ammanford
Local authority
Carmarthenshire
Constituency
Caerfyrddin
Postcode district
SA18
Postcode sector
SA18 1

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA18 1SG 62 m
SA18 1TA 128 m
SA18 1SH 153 m
SA18 1SD 156 m
SA18 1BD 206 m
Complete postcode fields and official codes
Postcode
SA18 1SB
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA18
Postcode sector
SA18 1
Latitude
51.809705
Longitude
-3.870876
British National Grid easting
271,119
British National Grid northing
213,996

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Parish or community
W04000554
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003863
Lower layer super output area
Carmarthenshire 010D · W01000718
Middle layer super output area
Carmarthenshire 010 · W02000151

Postcode source versions

Explore SA18

4 recorded sales at this postcode
Address Date Price
132, Heolygelynen, Upper Brynamman, Ammanford, SA18 1SB 7 August 2018 £65,000
144, Heolygelynen, Upper Brynamman, Ammanford, SA18 1SB 21 November 2002 £24,500
110, Heolygelynen, Upper Brynamman, Ammanford, SA18 1SB 9 April 2002 £24,500

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
5
Primary
0
Secondary
0
  1. Brynaman C P School

    Welsh establishment

    829 m
  2. YGG Gwaun-Cae-Gurwen

    Welsh establishment

    1.9 km
  3. Tairgwaith Primary School

    Welsh establishment

    2.1 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
225
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 129
  • Anti social behaviour 23
  • Public order 21
  • Criminal damage and arson 12
  • Drugs 10

Census 2021

Population and age profile

Postcode residents
79

38 female, 41 male

Postcode households
37
Residents per household
2.1
SA18 1 residents
9,107

Age bands in SA18 1

Wider postcode sector
Age 0 to 14
16.9%

1,604 residents

Age 15 to 24
10.2%

967 residents

Age 25 to 44
22.5%

2,135 residents

Age 45 to 64
27.8%

2,639 residents

Age 65 and over
22.7%

2,163 residents

This postcode contained 0.9% of the sector's usual residents on Census Day. The age profile describes the wider SA18 1 sector, not people in this individual postcode.

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
0%

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

2

within 5 km

  • AMMAN TAWE PARTNERSHIP

    1 GRAIG ROAD, GWAUN CAE GURWEN, AMMANFORD, SA18 1EG

    ODS code W00142

    2.1 km

  • AMMAN TAWE PARTNERSHIP

    4 GWILYM ROAD, CWMLLYNFELL, SWANSEA, SA9 2GH

    ODS code W00143

    3.8 km

Main GP practices only; branch surgeries are excluded. Distances are straight-line. Contact the practice to check registration, services, opening hours and appointments.

Source acquired on 2026-09-05. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Brynamman Cinema

    BCT · Brynamman

    0.1 miles
  • Brynamman Cinema

    BCT · Brynamman

    0.1 miles
  • Brynamman Fair Ground

    BCT · Brynamman

    0.1 miles
  • Fair Ground

    BCT · Brynamman

    0.1 miles
  • Heol Gelynen

    BCT · Brynamman

    0.2 miles

Evidence in context

Schools

5 open schools are in scope, including 0 primary and 0 secondary schools. Brynaman C P School is the nearest published school at 829 m.

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

Recorded crime

225 published events cover 12 months, averaging 18.75 events per published month. The largest recorded category is Violence and sexual offences with 129 events.

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