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SA31 3NX

Carmarthen Town North and South · Carmarthenshire · Wales

Updated September 2026

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Location overview

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Post town
Carmarthen
Ward
Carmarthen Town North and South
Local authority
Carmarthenshire
Constituency
Caerfyrddin
Postcode district
SA31
Postcode sector
SA31 3

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA31 3NS 32 m
SA31 3PU 55 m
SA31 3PH 74 m
SA31 3NY 79 m
SA31 3PB 98 m
Complete postcode fields and official codes
Postcode
SA31 3NX
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA31
Postcode sector
SA31 3
Latitude
51.845102
Longitude
-4.325758
British National Grid easting
239,889
British National Grid northing
218,835

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Electoral ward
Carmarthen Town North and South · W05001183
Parish or community
W04000494
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003444
Lower layer super output area
Carmarthenshire 008B · W01000642
Middle layer super output area
Carmarthenshire 008 · W02000149

Postcode source versions

Explore SA31

Property

View all property records
24 recorded sales at this postcode
Address Date Price
68, Heol Drindod, Johnstown, Carmarthen, SA31 3NX 6 February 2026 £190,000
50, Heol Drindod, Johnstown, Carmarthen, SA31 3NX 29 August 2025 £190,000
68, Heol Drindod, Johnstown, Carmarthen, SA31 3NX 10 December 2021 £135,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
12
Primary
0
Secondary
0

  1. Queen Elizabeth High

    Welsh establishment

    298 m

  2. Carmarthenshire Secondary Teaching and Learning Centre Carmarthen

    Welsh establishment

    428 m

  3. Johnstown C.P. School

    Welsh establishment

    688 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
928
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 458
  • Public order 89
  • Shoplifting 79
  • Criminal damage and arson 71
  • Anti social behaviour 67

Census 2021

Population and age profile

Postcode residents
40

23 female, 17 male

Postcode households
18
Residents per household
2.2
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 0.5% 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+
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

3

within 5 km

  • MEDDYGFA PARC

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

    ODS code W92616

    1.4 km

  • FURNACE HOUSE SURGERY

    ST. ANDREWS ROAD, CARMARTHEN, SA31 1EX

    ODS code W92016

    2.2 km

  • ST PETER'S SURGERY

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

    ODS code W92050

    2.3 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

  • Carmarthen Leisure Centre

    BCT · Johnstown

    0.1 miles

  • Queen Elizabeth High School

    BCT · Johnstown

    0.1 miles

  • Ystrad Close

    BCT · Johnstown

    0.2 miles

  • Cambria School

    BCT · Johnstown

    0.2 miles

  • Queen Elizabeth High School

    BCT · Johnstown

    0.2 miles

Evidence in context

Property market

The five-year median is £190,000 from 3 recorded sales in SA31 3NX. 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. Queen Elizabeth High is the nearest published school at 298 m.

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

Recorded crime

928 published events cover 12 months, averaging 77.333 events per published month. The largest recorded category is Violence and sexual offences with 458 events.

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