SA31 3AX

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 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA31 3FF 58 m
SA31 3BE 113 m
SA31 3BD 122 m
SA31 3AR 133 m
SA31 3BG 140 m
Complete postcode fields and official codes
Postcode
SA31 3AX
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA31
Postcode sector
SA31 3
Latitude
51.855180
Longitude
-4.313585
British National Grid easting
240,763
British National Grid northing
219,929

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Parish or community
W04000494
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003451
Lower layer super output area
Carmarthenshire 008A · W01000641
Middle layer super output area
Carmarthenshire 008 · W02000149

Postcode source versions

Explore SA31

20 recorded sales at this postcode
Address Date Price
3, Morfa Lane, Carmarthen, SA31 3AX 12 October 2023 £277,500
5, Morfa Lane, Carmarthen, SA31 3AX 29 April 2022 £145,000
9, Morfa Lane, Carmarthen, SA31 3AX 26 April 2021 £166,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
12
Primary
0
Secondary
0
  1. St Mary's R.C. Primary School

    Welsh establishment

    387 m
  2. Myrddin C.P. School

    Welsh establishment

    646 m
  3. Ysgol y Dderwen

    Welsh establishment

    646 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,297
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,005
  • Shoplifting 286
  • Anti social behaviour 199
  • Public order 195
  • Criminal damage and arson 177

Census 2021

Population and age profile

Postcode residents
42

24 female, 18 male

Postcode households
11
Residents per household
3.8
SA31 3 residents
7,557

Age bands in SA31 3

Wider postcode sector
Age 0 to 14
18.5%

1,401 residents

Age 15 to 24
13.4%

1,015 residents

Age 25 to 44
26.5%

2,010 residents

Age 45 to 64
23.4%

1,777 residents

Age 65 and over
18.2%

1,382 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider SA31 3 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+
77.3%
Ultrafast, 300 Mbit/s+
77.3%
Gigabit-capable
77.3%
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

  • FURNACE HOUSE SURGERY

    ST. ANDREWS ROAD, CARMARTHEN, SA31 1EX

    ODS code W92016

    780 m

  • ST PETER'S SURGERY

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

    ODS code W92050

    874 m

  • MEDDYGFA PARC

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

    ODS code W92616

    1.3 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 2026-09-03. Contains information from NHS England, licenced under the current version of the Open Government Licence.

Nearby transport

  • Golden Lion

    BCT · Carmarthen

    0.1 miles
  • Rose and Crown

    BCT · Carmarthen

    0.2 miles
  • County Court Offices

    BCT · Carmarthen

    0.2 miles
  • Barracks

    BCT · Carmarthen

    0.2 miles
  • Carmarthen Bus Station Stand 11

    BCS · Carmarthen

    0.2 miles

Evidence in context

Property market

The five-year median is £211,250 from 2 recorded sales in SA31 3AX. 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. St Mary's R.C. Primary School is the nearest published school at 387 m.

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

Recorded crime

2,297 published events cover 12 months, averaging 191.417 events per published month. The largest recorded category is Violence and sexual offences with 1,005 events.

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