SA33 6DS

Trelech · Carmarthenshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Post town
Carmarthen
Ward
Trelech
Local authority
Carmarthenshire
Constituency
Caerfyrddin
Postcode district
SA33
Postcode sector
SA33 6

Nearby postcodes

Nearby postcode distances
Postcode Distance
SA33 6DP 243 m
SA33 6DT 535 m
SA33 6EA 755 m
SA33 5PH 1.4 km
SA33 5PQ 1.4 km
Complete postcode fields and official codes
Postcode
SA33 6DS
Status
Current
Introduced
1 January 1980
Terminated
Not published
Postcode area
SA
Postcode district
SA33
Postcode sector
SA33 6
Latitude
51.886724
Longitude
-4.509376
British National Grid easting
227,402
British National Grid northing
223,883

Statistical and administrative geographies

Country
Wales · W92000004
Region
W99999999
Local authority district
Carmarthenshire · W06000010
Electoral ward
Trelech · W05001223
Parish or community
W04000542
Westminster constituency
Caerfyrddin · W07000087
Output area
W00003905
Lower layer super output area
Carmarthenshire 003D · W01000728
Middle layer super output area
Carmarthenshire 003 · W02000144

Postcode source versions

Explore SA33

21 recorded sales at this postcode
Address Date Price
Myrtle Hill, Gellywen, Carmarthen, SA33 6DS 15 October 2025 £385,000
Myrtle Hill, Gellywen, Carmarthen, SA33 6DS 15 October 2025 £385,000
Penhenrhiw, Gellywen, Carmarthen, SA33 6DS 15 October 2025 £385,000

Schools

Within 3.1 miles of this postcode

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

    Welsh establishment

    3.6 km

Census 2021

Population and age profile

Postcode residents
25

14 female, 11 male

Postcode households
13
Residents per household
1.9
SA33 6 residents
3,634

Age bands in SA33 6

Wider postcode sector
Age 0 to 14
12.1%

437 residents

Age 15 to 24
8.7%

316 residents

Age 25 to 44
17.7%

641 residents

Age 45 to 64
32.6%

1,177 residents

Age 65 and over
28.9%

1,043 residents

This postcode contained 0.7% of the sector's usual residents on Census Day. The age profile describes the wider SA33 6 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+
87.5%
Ultrafast, 100 Mbit/s+
87.5%
Ultrafast, 300 Mbit/s+
87.5%
Gigabit-capable
87.5%
Unable to receive decent fixed or FWA broadband
0%
Next Generation Access
87.5%
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.

Nearby transport

  • Ainon Chapel

    BCT · Gellywen

    0.2 miles
  • Caerlleon

    BCT · Llangynin

    1.6 miles
  • Caerlleon Cross

    BCT · Goetre-fawr

    1.6 miles
  • Cwmbach Cross

    BCT · Maesygrove

    1.9 miles
  • Cwmbach Cross

    BCT · Maesygrove

    1.9 miles

Evidence in context

Property market

The five-year median is £385,000 from 5 recorded sales in SA33 6DS. 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

1 open schools are in scope, including 0 primary and 0 secondary schools. Meidrim C.P. School is the nearest published school at 2.3 miles.

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