Cardiff · CF15
Gas safety certificate in CF15 (Pentyrch)? We'll point you the right way.
Covering Pentyrch, Gwaelod-y-Garth, Creigiau, Radyr, Morganstown, Tongwynlais, Taffs Well, Nantgarw, including Hawthorn and Lower Rhydfelen, Pentyrch and St Fagans, Penyrheol. Find Gas Safe registered engineers nearby.
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Request a gas safety certificate in CF15 (Pentyrch)
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Request a gas safety certificate in CF15 (Pentyrch)
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CF15 (Pentyrch) in a nutshell
CF15 covers Pentyrch, Gwaelod-y-Garth, Creigiau, Radyr, Morganstown, Tongwynlais, Taffs Well, Nantgarw, in Caerphilly and Cardiff 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 CF15
Two councils in one district
CF15 is split between Caerphilly and Cardiff 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
CF15 stretches across Hawthorn and Lower Rhydfelen, Pentyrch and St Fagans, Penyrheol and more, so give your full postcode, not just 'CF15', when you ask for quotes.
Where's this from?
postcodes.io (ONSPD) wardsMostly mains gas round here
Most homes in Cardiff run on mains gas, so a standard boiler-and-hob check is what most people need.
Where's this from?
ONS Census 2021, Cardiff: 79.2% 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 Cardiff page. Always double-check on GOV.WALES.
Next door to CF15
Frequently asked questions
Which areas does CF15 cover?
CF15 (Pentyrch, Gwaelod-y-Garth, Creigiau, Radyr, Morganstown, Tongwynlais, Taffs Well, Nantgarw) includes the wards of Hawthorn and Lower Rhydfelen, Pentyrch and St Fagans, Penyrheol, Radyr, Taff's Well, Ton-teg, Whitchurch and Tongwynlais (ONS Postcode Directory via postcodes.io).
Which postcode districts are next to CF15?
Neighbouring districts include CF5 (Ely), CF14 (Whitchurch), CF38 (Llantwit Fardre), CF83 (Caerphilly) (ONS Postcode Directory via Doogal). A pro covering CF15 may well cover these too, so it's worth asking.
How many homes are in CF15?
About 7,393 households and 17,987 residents at the 2011 Census, across 513 active postcodes (Doogal / ONS Postcode Directory).
Which council area is CF15 in?
CF15 sits in Caerphilly, Cardiff, Rhondda Cynon Taf (postcodes.io). Parliamentary constituency: Caerphilly, Cardiff North, Cardiff West, Pontypridd.
📊 The numbers behind this page
- Postcode district
- CF15 1
- Areas covered
- Pentyrch, Gwaelod-y-Garth, Creigiau, Radyr, Morganstown, Tongwynlais, Taffs Well, Nantgarw 2
- Active postcodes
- 513 3
- Households (2011 Census, via Doogal)
- 7,393 2
- Population (2011 Census, via Doogal)
- 17,987 2
- Electoral wards
- Hawthorn and Lower Rhydfelen, Pentyrch and St Fagans, Penyrheol, Radyr, Taff's Well, Ton-teg, Whitchurch and Tongwynlais 4
- Parliamentary constituencies
- Caerphilly, Cardiff North, Cardiff West, Pontypridd 4
- Local authority
- Caerphilly, Cardiff, Rhondda Cynon Taf 4
- Households heated by mains gas only (Cardiff built-up area)
- 79.2% 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.