SA31 3HL

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 3HJ 68 m
SA31 3EZ 97 m
SA31 3HH 97 m
SA31 3HU 113 m
SA31 3LY 134 m
Complete postcode fields and official codes
Postcode
SA31 3HL
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA31
Postcode sector
SA31 3
Latitude
51.852668
Longitude
-4.327397
British National Grid easting
239,803
British National Grid northing
219,680

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Parish or community
W04000494
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003442
Lower layer super output area
Carmarthenshire 008B · W01000642
Middle layer super output area
Carmarthenshire 008 · W02000149

Postcode source versions

Explore SA31

16 recorded sales at this postcode
Address Date Price
Woodbine Cottages, 6, Old St Clears Road, Johnstown, Carmarthen, SA31 3HL 14 November 2023 £412,500
Johnstown Filling Station, Old St Clears Road, Johnstown, Carmarthen, SA31 3HL 12 February 2021 £208,999
Caeberys, Old St Clears Road, Johnstown, Carmarthen, SA31 3HL 5 July 2019 £230,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
12
Primary
0
Secondary
0
  1. Johnstown C.P. School

    Welsh establishment

    232 m
  2. Model C.I.W. School

    Welsh establishment

    728 m
  3. St Mary's R.C. Primary School

    Welsh establishment

    728 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
1,710
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 774
  • Shoplifting 187
  • Anti social behaviour 157
  • Public order 150
  • Criminal damage and arson 137

Census 2021

Population and age profile

Postcode residents
37

17 female, 20 male

Postcode households
17
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+
91.3%
Ultrafast, 300 Mbit/s+
91.3%
Gigabit-capable
91.3%
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

  • MEDDYGFA PARC

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

    ODS code W92616

    623 m

  • FURNACE HOUSE SURGERY

    ST. ANDREWS ROAD, CARMARTHEN, SA31 1EX

    ODS code W92016

    1.7 km

  • ST PETER'S SURGERY

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

    ODS code W92050

    1.8 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

  • Garage

    BCT · Johnstown

    0.0 miles
  • Post Office

    BCT · Johnstown

    0.0 miles
  • San Tamara

    BCT · Johnstown

    0.0 miles
  • Llansteffan Road

    BCT · Johnstown

    0.1 miles
  • Post Office

    BCT · Johnstown

    0.1 miles

Evidence in context

Property market

The five-year median is £412,500 from 1 recorded sale in SA31 3HL. 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. Johnstown C.P. School is the nearest published school at 232 m.

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

Recorded crime

1,710 published events cover 12 months, averaging 142.5 events per published month. The largest recorded category is Violence and sexual offences with 774 events.

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