Schools
9 open schools are in scope, including 0 primary and 0 secondary schools. Llandybie Primary is the nearest published school at 923 m.
Counts describe active establishment records. They do not assess admissions, catchments or quality.
SA18 3JN
Llandybie · Carmarthenshire · Wales
Updated September 2026
Compare this postcodeLocation overview
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- Post town
- Ammanford
- Ward
- Llandybie
- Local authority
- Carmarthenshire
- Constituency
- Caerfyrddin
- Postcode district
- SA18
- Postcode sector
- SA18 3
Nearby postcodes
Complete postcode fields and official codes
- Postcode
- SA18 3JN
- Status
- Current
- Introduced
- 1 January 1980
- Terminated
- Not published
- Postcode area
- SA
- Postcode district
- SA18
- Postcode sector
- SA18 3
- Latitude
- 51.827301
- Longitude
- -4.021969
- British National Grid easting
- 260,758
- British National Grid northing
- 216,231
Statistical and administrative geographies
- Country
- Wales · W92000004
- Region
- W99999999
- Local authority district
- Carmarthenshire · W06000010
- Electoral ward
- Llandybie · W05001204
- Parish or community
- W04000515
- Westminster constituency
- Caerfyrddin · W07000087
- Output area
- W00003664
- Lower layer super output area
- Carmarthenshire 011B · W01000681
- Middle layer super output area
- Carmarthenshire 011 · W02000152
Postcode source versions
- Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
- Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
- Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence
Explore SA18
Property
6 recorded
sales at this postcode
| Address | Date | Price |
|---|---|---|
| Ffynnonlas, Pentregwenlais, Ammanford, SA18 3JN | 25 January 2021 | £290,000 |
| Ffynnonlas, Pentregwenlais, Ammanford, SA18 3JN | 14 December 2010 | £230,000 |
| Dumfries Villa, Pentregwenlais, Ammanford, SA18 3JN | 2 February 2004 | £92,750 |
Schools
Within 3.1 miles of this postcode
- Open schools
- 9
- Primary
- 0
- Secondary
- 0
- 923 m
Llandybie Primary
Welsh establishment
- 2.4 km
Ysgol Gynradd Blaenau
Welsh establishment
- 3.5 km
Penygroes C.P. School
Welsh establishment
Recorded crime
Within 1 mile of this postcode
- Published events
- 111
- Months covered
- 12
- Latest month
- June 2026
Most recorded categories in this period
- Violence and sexual offences 58
- Criminal damage and arson 12
- Public order 8
- Drugs 7
- Anti social behaviour 7
Census 2021
Population and age profile
- Postcode residents
- 11
- Postcode households
- 7
- Residents per household
- 1.6
- SA18 3 residents
- 10,937
6 female, 5 male
Age bands in SA18 3
Wider postcode sector- Age 0 to 14
- 16.1%
- Age 15 to 24
- 10.3%
- Age 25 to 44
- 21.7%
- Age 45 to 64
- 27%
- Age 65 and over
- 24.9%
1,789 residents
1,145 residents
2,417 residents
3,007 residents
2,771 residents
This postcode contained 0.1% of the sector's usual residents on Census Day. The age profile describes the wider SA18 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+
- 0%
- Ultrafast, 100 Mbit/s+
- 0%
- Ultrafast, 300 Mbit/s+
- 0%
- Gigabit-capable
- 0%
- Unable to receive decent fixed or FWA broadband
- 0%
- Next Generation Access
- 0%
- 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 PENYGROES
BRIDGE STREET, PENYGROES, LLANELLI, SA14 7RP
ODS code W92051
3.4 km
BRYNTEG SURGERY
BRYNMAWR AVENUE, AMMANFORD, SA18 2DA
ODS code W92036
4.0 km
MARGARET STREET PRACTICE
MARGARET STREET, AMMANFORD, SA18 2PJ
ODS code W92040
4.3 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
- 0.1 miles
Pentregwenlais
BCT · Pentre-Gwenlais
- 0.1 miles
Pentregwenlais
BCT · Pentre-Gwenlais
- 0.4 miles
Pant y Llyn Junction
BCT · Pentre-Gwenlais
- 0.4 miles
Pant y Llyn Junction
BCT · Pentre-Gwenlais
- 0.5 miles
Pentregwenlais Turn
BCT · Pentre-Gwenlais
Evidence in context
Recorded crime
111 published events cover 12 months, averaging 9.25 events per published month. The largest recorded category is Violence and sexual offences with 58 events.
The source publishes anonymised street-level events. These figures are not a measure of safety for an individual address.