Merthyr Tydfil · CF48
Gas safety certificate in CF48 (Cyfarthfa)? We'll point you the right way.
Covering Cyfarthfa, Pant, Merthyr Vale, Troed-y-rhiw, Vaynor, Pentrebach, including Darran Valley, Dowlais and Pant, Gurnos. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in CF48 (Cyfarthfa)
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Request a gas safety certificate in CF48 (Cyfarthfa)
How to check a gas safety engineer is registered: see the Merthyr Tydfil page.
CF48 (Cyfarthfa) in a nutshell
CF48 covers Cyfarthfa, Pant, Merthyr Vale, Troed-y-rhiw, Vaynor, Pentrebach, in Caerphilly and Merthyr Tydfil and Powys and Rhondda Cynon Taf. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.
Local tips for CF48
Two councils in one district
CF48 is split between Caerphilly and Merthyr Tydfil and Powys and Rhondda Cynon Taf. 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
CF48 stretches across Cyfarthfa, Darran Valley, Dowlais and Pant and more, so give your full postcode, not just 'CF48', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Merthyr Tydfil run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Merthyr Tydfil: 84.6% 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 Merthyr Tydfil page. Always double-check on GOV.WALES.
Next door to CF48
Frequently asked questions
Which areas does CF48 cover?
CF48 (Cyfarthfa, Pant, Merthyr Vale, Troed-y-rhiw, Vaynor, Pentrebach) includes the wards of Cyfarthfa, Darran Valley, Dowlais and Pant, Gurnos, Hirwaun, Penderyn and Rhigos, Merthyr Vale, Park, Plymouth, Talybont-on-Usk, Town, Twyn Carno, Vaynor (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CF48?
Neighbouring districts include CF47 (Merthyr Tydfil), CF45 (Mountain Ash), CF44 (Aberdare), NP22 (Tredegar), CF46 (Treharris) (ONS Postcode Directory via Doogal). A pro covering CF48 may well cover these too, so it's worth asking.
How many homes are in CF48?
About 11,288 households and 27,177 residents at the 2011 Census, across 753 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CF48 in?
CF48 sits in Caerphilly, Merthyr Tydfil, Powys, Rhondda Cynon Taf (postcodes.io). Parliamentary constituency: Blaenau Gwent and Rhymney, Brecon, Radnor and Cwm Tawe, Merthyr Tydfil and Aberdare.
📊 The numbers behind this page
- Postcode district
- CF48 1
- Areas covered
- Cyfarthfa, Pant, Merthyr Vale, Troed-y-rhiw, Vaynor, Pentrebach 2
- Active postcodes
- 753 3
- Households (2011 Census, via Doogal)
- 11,288 2
- Population (2011 Census, via Doogal)
- 27,177 2
- Electoral wards
- Cyfarthfa, Darran Valley, Dowlais and Pant, Gurnos, Hirwaun, Penderyn and Rhigos, Merthyr Vale, Park, Plymouth … 4
- Parliamentary constituencies
- Blaenau Gwent and Rhymney, Brecon, Radnor and Cwm Tawe, Merthyr Tydfil and Aberdare 4
- Local authority
- Caerphilly, Merthyr Tydfil, Powys, Rhondda Cynon Taf 4
- Households heated by mains gas only (Merthyr Tydfil built-up area)
- 84.6% 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.