Porth · CF39

Plumbing compliance check in CF39 (Porth)? We'll point you the right way.

Covering Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown, including Blackmill, Cymer, Gilfach-goch. Find plumbers nearby.

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CF39 (Porth) in a nutshell

CF39 covers Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown, in Bridgend 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 CF39

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Two councils in one district

CF39 is split between Bridgend 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 authority
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Give your full postcode

CF39 stretches across Blackmill, Cymer, Gilfach-goch and more, so give your full postcode, not just 'CF39', when you ask for quotes.

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

Porth 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, Porth: 63.0% 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 Porth page. Always double-check on GOV.WALES.

Next door to CF39

CF40 · TonypandyCF43 · FerndaleCF37 · PontypriddCF72 · PontyclunCF41 · PentreCF45 · Mountain Ash

← Plumbing & water compliance across Porth · all areas

Frequently asked questions

Which areas does CF39 cover?

CF39 (Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown) includes the wards of Blackmill, Cymer, Gilfach-goch, Porth, Tonyrefail East, Tonyrefail West, Tylorstown and Ynyshir (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CF39?

Neighbouring districts include CF40 (Tonypandy), CF43 (Ferndale), CF37 (Pontypridd), CF72 (Pontyclun), CF41 (Pentre) (ONS Postcode Directory via Doogal). A pro covering CF39 may well cover these too, so it's worth asking.

How many homes are in CF39?

About 12,213 households and 28,868 residents at the 2011 Census, across 558 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CF39 in?

CF39 sits in Bridgend, Rhondda Cynon Taf (postcodes.io). Parliamentary constituency: Rhondda and Ogmore.

📊 The numbers behind this page
Postcode district
CF39 1
Areas covered
Porth, Llwyncelyn, Cymmer, Glynfach, Trebanog, Ynyshir, Wattstown, Dinas, Tonyrefail, Coed Ely, Thomastown, Gilfach Goch, Evanstown 2
Active postcodes
558 3
Households (2011 Census, via Doogal)
12,213 2
Population (2011 Census, via Doogal)
28,868 2
Electoral wards
Blackmill, Cymer, Gilfach-goch, Porth, Tonyrefail East, Tonyrefail West, Tylorstown and Ynyshir 4
Parliamentary constituencies
Rhondda and Ogmore 4
Local authority
Bridgend, Rhondda Cynon Taf 4
Households in converted/shared houses (Porth built-up area)
0.7% 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.