Cardiff · CF15

EPC 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 accredited domestic energy assessors nearby.

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Request an EPC in CF15 (Pentyrch)

No EPC assessor listed for CF15 (Pentyrch) yet. Tell us what you need and we'll find you a registered EPC assessor, free.

Request an EPC in CF15 (Pentyrch)

How to check an EPC assessor is registered: see the Cardiff page.

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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

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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 authority
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Give 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) wards
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Terrace and semi country

Most homes here are terraces or semis. Insulation and heating upgrades are the usual way to nudge a rating up, so have receipts ready.

Where's this from?ONS Census 2021, Cardiff: 30.4% terraced, 30.2% semi-detached
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New to EPCs? 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

  • When you let: give contract-holders a valid EPC.
  • Minimum E: generally applies to private lets.

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

Next door to CF15

CF5 · ElyCF14 · WhitchurchCF38 · Llantwit FardreCF83 · CaerphillyCF37 · PontypriddCF63 · Barry

← Energy Performance Certificate (EPC) across Cardiff · all areas

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 privately renting (Cardiff built-up area)
24.3% 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.