SA31 2AX

Carmarthen Town North and South · Carmarthenshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Carmarthen
Local authority
Carmarthenshire
Constituency
Caerfyrddin
Postcode district
SA31
Postcode sector
SA31 2

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA31 2AT 76 m
SA31 2AD 91 m
SA31 2DE 105 m
SA31 2AU 108 m
SA31 2AA 144 m
Complete postcode fields and official codes
Postcode
SA31 2AX
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA31
Postcode sector
SA31 2
Latitude
51.867235
Longitude
-4.288042
British National Grid easting
242,564
British National Grid northing
221,214

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Parish or community
W04000494
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003441
Lower layer super output area
Carmarthenshire 007D · W01000640
Middle layer super output area
Carmarthenshire 007 · W02000148

Postcode source versions

Explore SA31

33 recorded sales at this postcode
Address Date Price
16, Nash Avenue, Carmarthen, SA31 2AX 12 September 2025 £195,000
11, Nash Avenue, Carmarthen, SA31 2AX 8 August 2025 £142,500
10, Nash Avenue, Carmarthen, SA31 2AX 1 August 2025 £153,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
12
Primary
0
Secondary
0
  1. Richmond Park Primary School

    Welsh establishment

    1.2 km
  2. Abergwili VCP

    Welsh establishment

    1.3 km
  3. Myrddin C.P. School

    Welsh establishment

    1.9 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
771
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 409
  • Criminal damage and arson 73
  • Public order 54
  • Other theft 49
  • Anti social behaviour 49

Census 2021

Population and age profile

Postcode residents
49

28 female, 21 male

Postcode households
21
Residents per household
2.3
SA31 2 residents
4,442

Age bands in SA31 2

Wider postcode sector
Age 0 to 14
16.2%

679 residents

Age 15 to 24
8.7%

363 residents

Age 25 to 44
21.6%

902 residents

Age 45 to 64
24.9%

1,041 residents

Age 65 and over
28.6%

1,194 residents

This postcode contained 1.1% of the sector's usual residents on Census Day. The age profile describes the wider SA31 2 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+
40.9%
Ultrafast, 300 Mbit/s+
40.9%
Gigabit-capable
40.9%
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

3

within 5 km

  • ST PETER'S SURGERY

    ST. PETERS SURGERY, ST. PETERS STREET, CARMARTHEN, SA31 1AH

    ODS code W92050

    1.3 km

  • FURNACE HOUSE SURGERY

    ST. ANDREWS ROAD, CARMARTHEN, SA31 1EX

    ODS code W92016

    1.4 km

  • MEDDYGFA PARC

    MEDDYGFA PARC, BUILDING 8, PARC DEWI SANT, JOB'S WELL ROAD, CARMARTHEN, SA31 3HB

    ODS code W92616

    3.3 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

  • Nash Avenue

    BCT · Tanerdy

    0.0 miles
  • Abergwili Roundabout

    BCT · Tanerdy

    0.1 miles
  • Brynderwen

    BCT · Tanerdy

    0.1 miles
  • Abergwili Ambulance Station

    BCT · Tanerdy

    0.1 miles
  • Glangwili Hospital

    BCT · Tanerdy

    0.1 miles

Evidence in context

Property market

The five-year median is £167,500 from 10 recorded sales in SA31 2AX. This is a recorded-sale statistic, not a current valuation.

The latest UK House Price Index average for Carmarthenshire is £197,547 in June 2026, up 6.1% year on year.

Schools

12 open schools are in scope, including 0 primary and 0 secondary schools. Richmond Park Primary School is the nearest published school at 0.7 miles.

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

Recorded crime

771 published events cover 12 months, averaging 64.25 events per published month. The largest recorded category is Violence and sexual offences with 409 events.

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