Swansea · SA8

Plumbing compliance check in SA8 (Alltwen)? We'll point you the right way.

Covering Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy, including Allt-wen, Clydach, Godre'r Graig. Find plumbers nearby.

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SA8 (Alltwen) in a nutshell

SA8 covers Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy, in Neath Port Talbot and Swansea. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for SA8

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Two councils in one district

SA8 is split between Neath Port Talbot and Swansea. Some councils run their own landlord licensing, so check which one your home is in.

Where's this from?postcodes.io (ONSPD) local authority
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Give your full postcode

SA8 stretches across Allt-wen, Clydach, Godre'r Graig and more, so give your full postcode, not just 'SA8', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Older terraces, older pipes

Swansea has lots of terraced homes. In older ones, ask the plumber to look at shared supply pipes and any old tanks in the loft.

Where's this from?ONS Census 2021, Swansea: 30.2% terraced
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New to plumbing compliance checks? Here's what to expect, how to get ready and what it costs, in plain English. Read the quick guide →

Wales landlord rules: quick version

  • Fit to live in: keep water, drainage and heating in repair.
  • Legionella: assess the risk.

More detail on the Swansea page. Always double-check on GOV.WALES.

Next door to SA8

SA10 · AberdulaisSA7 · BirchgroveSA6 · ClaseSA11 · BlaengwrachSA9 · AbercrafSA12 · Aberafan

← Plumbing & water compliance across Swansea · all areas

Frequently asked questions

Which areas does SA8 cover?

SA8 (Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy) includes the wards of Allt-wen, Clydach, Godre'r Graig, Pontardawe, Rhos, Trebanos (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to SA8?

Neighbouring districts include SA10 (Aberdulais), SA7 (Birchgrove), SA6 (Clase), SA11 (Blaengwrach), SA9 (Abercraf) (ONS Postcode Directory via Doogal). A pro covering SA8 may well cover these too, so it's worth asking.

How many homes are in SA8?

About 5,282 households and 12,491 residents at the 2011 Census, across 306 active postcodes (Doogal / ONS Postcode Directory).

Which council area is SA8 in?

SA8 sits in Neath Port Talbot, Swansea (postcodes.io). Parliamentary constituency: Brecon, Radnor and Cwm Tawe, Gower, Neath and Swansea East.

📊 The numbers behind this page
Postcode district
SA8 1
Areas covered
Alltwen, Cwmtawe, Pontardawe, Rhos, Rhyd-y-fro, Trebanos, Ynysmeudwy 2
Active postcodes
306 3
Households (2011 Census, via Doogal)
5,282 2
Population (2011 Census, via Doogal)
12,491 2
Electoral wards
Allt-wen, Clydach, Godre'r Graig, Pontardawe, Rhos, Trebanos 4
Parliamentary constituencies
Brecon, Radnor and Cwm Tawe, Gower, Neath and Swansea East 4
Local authority
Neath Port Talbot, Swansea 4
Households in converted/shared houses (Swansea built-up area)
2.6% 5
  1. ONS Postcode Directory
  2. Doogal
  3. Doogal / ONSPD
  4. postcodes.io
  5. ONS Census 2021

Made with open data. See where it all comes from. Updated 26 October 2026.