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SA15 4SL

Hengoed · Carmarthenshire · Wales

Updated September 2026

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Location overview

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Post town
Llanelli
Ward
Hengoed
Local authority
Carmarthenshire
Constituency
Llanelli
Postcode district
SA15
Postcode sector
SA15 4

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA15 4SJ 41 m
SA15 4SN 80 m
SA15 4SS 83 m
SA15 4SG 130 m
SA15 4SR 166 m
Complete postcode fields and official codes
Postcode
SA15 4SL
Status
Current
Introduced
1 May 1994
Terminated
Not published
Postcode area
SA
Postcode district
SA15
Postcode sector
SA15 4
Latitude
51.682809
Longitude
-4.176479
British National Grid easting
249,632
British National Grid northing
200,470

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Electoral ward
Hengoed · W05001197
Parish or community
W04001086
Westminster constituency
Llanelli · W07000098
Output area
W00003600
Lower layer super output area
Carmarthenshire 023F · W01001925
Middle layer super output area
Carmarthenshire 023 · W02000164

Postcode source versions

Explore SA15

Property

View all property records
18 recorded sales at this postcode
Address Date Price
2, Heron Avenue, Llanelli, SA15 4SL 31 October 2025 £250,000
6, Heron Avenue, Llanelli, SA15 4SL 2 August 2019 £212,000
16, Heron Avenue, Llanelli, SA15 4SL 25 May 2017 £280,000

Schools

Within 3.1 miles of this postcode

View all nearby schools
Open schools
25
Primary
0
Secondary
0

  1. Ysgol Gyfun Y Strade

    Welsh establishment

    587 m

  2. Ysgol Gymraeg Ffwrnes

    Welsh establishment

    696 m

  3. Pentip V.A. C.I.W. Primary School

    Welsh establishment

    731 m

Recorded crime

Within 1 mile of this postcode

View all nearby crime records
Published events
2,464
Months covered
12
Latest month
June 2026

Most recorded categories in this period

  • Violence and sexual offences 1,045
  • Criminal damage and arson 270
  • Anti social behaviour 250
  • Shoplifting 217
  • Public order 189

Census 2021

Population and age profile

Postcode residents
33

16 female, 17 male

Postcode households
16
Residents per household
2.1
SA15 4 residents
5,618

Age bands in SA15 4

Wider postcode sector
Age 0 to 14
16%

883 residents

Age 15 to 24
9.7%

536 residents

Age 25 to 44
23%

1,274 residents

Age 45 to 64
26.6%

1,473 residents

Age 65 and over
24.6%

1,362 residents

This postcode contained 0.6% of the sector's usual residents on Census Day. The age profile describes the wider SA15 4 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

6

within 5 km

  • FAIRFIELD SURGERY

    1 PARK CRESCENT, LLANELLI, SA15 3AE

    ODS code W92021

    694 m

  • AVENUE VILLA SURGERY

    BRYNMOR ROAD, LLANELLI, SA15 2TJ

    ODS code W92037

    775 m

  • TY ELLI GROUP PRACTICE

    VAUXHALL, LLANELLI, SA15 3BD

    ODS code W92052

    875 m

  • ASH GROVE MEDICAL CENTRE

    THOMAS STREET, LLANELLI, SA15 3JH

    ODS code W00133

    985 m

  • LLWYNHENDY HEALTH CENTRE

    LLWYNHENDY ROAD, LLANELLI, SA14 9BN

    ODS code W00134

    3.7 km

  • MEDDYGFA TYWYN BACH

    PARC Y MINOS STREET, BURRY PORT, SA16 0BN

    ODS code W92031

    5.0 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

  • Sandpiper Roundabout

    BCT · Sandy

    0.1 miles

  • Sandpiper Roundabout

    BCT · Sandy

    0.1 miles

  • Maesycoed

    BCT · Sandy

    0.1 miles

  • Maesycoed

    BCT · Sandy

    0.2 miles

  • Denham Avenue South

    BCT · Sandy

    0.2 miles

Evidence in context

Property market

The five-year median is £250,000 from 1 recorded sale in SA15 4SL. 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

25 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gyfun Y Strade is the nearest published school at 587 m.

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

Recorded crime

2,464 published events cover 12 months, averaging 205.333 events per published month. The largest recorded category is Violence and sexual offences with 1,045 events.

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