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SA18 2UN

Llandybie · Carmarthenshire · Wales

Updated September 2026

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Location overview

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Post town
Ammanford
Ward
Llandybie
Local authority
Carmarthenshire
Constituency
Caerfyrddin
Postcode district
SA18
Postcode sector
SA18 2

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA18 2UH 375 m
SA18 2UW 409 m
SA18 2UR 619 m
SA18 2US 799 m
SA18 2UG 813 m
Complete postcode fields and official codes
Postcode
SA18 2UN
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA18
Postcode sector
SA18 2
Latitude
51.808862
Longitude
-3.966585
British National Grid easting
264,519
British National Grid northing
214,076

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
W00003660
Lower layer super output area
Carmarthenshire 011A · W01000680
Middle layer super output area
Carmarthenshire 011 · W02000152

Postcode source versions

Explore SA18

Use the wider postcode district to compare the same evidence across more locations.

Property

At this postcode

View all property records
32 recorded sales at this postcode
Address Date Price
Y Garth, Heol Ddu, Ammanford, SA18 2UN 1 May 2026 £375,000
Y Garth, Heol Ddu, Ammanford, SA18 2UN 1 May 2026 £375,000
Y Garth, Heol Ddu, Ammanford, SA18 2UN 1 May 2025 £350,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
8
Primary
0
Secondary
0

  1. Ysgol Dyffryn Aman

    Welsh establishment

    2.0 km

  2. Ysgol Feithrin Rhydaman

    Welsh establishment

    2.2 km

  3. Ysgol Gymraeg Rhydaman

    Welsh establishment

    2.2 km

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
36
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 11
  • Criminal damage and arson 5
  • Other crime 4
  • Other theft 4
  • Public order 4

Census 2021

Population and age profile

Postcode residents
57

32 female, 25 male

Postcode households
24
Residents per household
2.4
SA18 2 residents
10,384

Age bands in SA18 2

Wider postcode sector
Age 0 to 14
16.5%

1,601 residents

Age 15 to 24
10.1%

983 residents

Age 25 to 44
21.2%

2,053 residents

Age 45 to 64
27%

2,621 residents

Age 65 and over
25.1%

2,434 residents

This postcode contained 0.5% of the sector's usual residents on Census Day. The age profile describes the wider SA18 2 sector, not people in this individual postcode.

How to read these estimates
The standard postcode headcounts and the commissioned age table are separate ONS outputs. Small counts are disclosure-controlled, and totals can differ slightly between tables. Coverage is England and Wales only.

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+
96.4%
Ultrafast, 100 Mbit/s+
96.4%
Ultrafast, 300 Mbit/s+
96.4%
Gigabit-capable
96.4%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
96.4%
Decent broadband available from fixed wireless
0%
Coverage is a modelled postcode-level snapshot, not a speed test or a guarantee for a named property. Check availability with providers before making a decision. Ofcom does not publish postcode-level full-fibre coverage in this release for commercial-confidentiality reasons.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

NHS ODS

GP practices

2

within 5 km

  • BRYNTEG SURGERY

    BRYNMAWR AVENUE, AMMANFORD, SA18 2DA

    ODS code W92036

    2.0 km

  • MARGARET STREET PRACTICE

    MARGARET STREET, AMMANFORD, SA18 2PJ

    ODS code W92040

    2.2 km

Organisation records, not service availability
These are records marked active in NHS England's Organisation Data Service for England and Wales. Branch surgeries, pharmacies, dentists and hospitals are not included. They do not confirm patient registration, services, opening hours, appointments or care quality. Distances are straight-line from the postcode point.

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

Nearby transport

  • Perrivale Inn

    BCT · Pontamman

    0.8 miles

  • Perrivale Inn

    BCT · Pontamman

    0.8 miles

  • Pontamman Road

    BCT · Pontamman

    0.9 miles

  • Pontamman Road

    BCT · Pontamman

    0.9 miles

  • Wernddu Road

    BCT · Pontamman

    1.0 miles

Evidence in context

A factual reading of the data in this report's scope. It is not a location score or a recommendation.

Property market

Recorded sales

The five-year median is £362,500 from 8 recorded sales in SA18 2UN. 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

Published establishments

8 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Dyffryn Aman is the nearest published school at 1.2 miles.

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

Recorded crime

Published police records

36 published events cover 12 months, averaging 3 events per published month. The largest recorded category is Violence and sexual offences with 11 events.

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