Swansea · SA8
Gas safety certificate 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 Gas Safe registered engineers nearby.
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Request a gas safety certificate in SA8 (Alltwen)
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Request a gas safety certificate in SA8 (Alltwen)
How to check a gas safety engineer is registered: see the Swansea page.
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
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 authorityGive 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) wardsMostly mains gas round here
Most homes in Swansea run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Swansea: 81.6% mains gas onlyWales landlord rules: quick version
- Every year: a gas safety check by a Gas Safe registered engineer.
- CO alarm: needed where there's a gas, oil or solid fuel appliance.
- Register: with Rent Smart Wales.
More detail on the Swansea page. Always double-check on GOV.WALES.
Next door to SA8
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 heated by mains gas only (Swansea built-up area)
- 81.6% 5
- ONS Postcode Directory
- Doogal
- Doogal / ONSPD
- postcodes.io
- ONS Census 2021
Made with open data. See where it all comes from. Updated 26 October 2026.