Cardiff · CF11

EPC in CF11 (Cardiff city centre)? We'll point you the right way.

Covering Cardiff city centre, Canton, Cardiff Bay, Grangetown, including Butetown, Dinas Powys, Llandaff. Find accredited domestic energy assessors nearby.

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Request an EPC in CF11 (Cardiff city centre)

No EPC assessor listed for CF11 (Cardiff city centre) yet. Tell us what you need and we'll find you a registered EPC assessor, free.

Request an EPC in CF11 (Cardiff city centre)

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

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CF11 (Cardiff city centre) in a nutshell

CF11 covers Cardiff city centre, Canton, Cardiff Bay, Grangetown, in Cardiff and Vale of Glamorgan. Give your full postcode when you ask for quotes, so the pro can confirm they cover your street.

Local tips for CF11

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Two councils in one district

CF11 is split between Cardiff and Vale of Glamorgan. 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

CF11 stretches across Butetown, Canton, Dinas Powys and more, so give your full postcode, not just 'CF11', when you ask for quotes.

Where's this from?postcodes.io (ONSPD) wards
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Postcodes change here

Lots of old CF11 postcodes have been retired. If an old letter shows a different postcode, use your current one.

Where's this from?Doogal/ONSPD: 870 of 1,477 postcodes active
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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 CF11

CF10 · Cardiff city centreCF24 · Cardiff city centreCF64 · PenarthCF14 · WhitchurchCF5 · Ely

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

Frequently asked questions

Which areas does CF11 cover?

CF11 (Cardiff city centre, Canton, Cardiff Bay, Grangetown) includes the wards of Butetown, Canton, Dinas Powys, Grangetown, Llandaff, Llandough, Riverside (ONS Postcode Directory via postcodes.io).

Which postcode districts are next to CF11?

Neighbouring districts include CF10 (Cardiff city centre) (ONS Postcode Directory via Doogal). A pro covering CF11 may well cover these too, so it's worth asking.

How many homes are in CF11?

About 15,695 households and 36,147 residents at the 2011 Census, across 870 active postcodes (Doogal / ONS Postcode Directory).

Which council area is CF11 in?

CF11 sits in Cardiff, Vale of Glamorgan (postcodes.io). Parliamentary constituency: Cardiff South and Penarth, Cardiff West.

📊 The numbers behind this page
Postcode district
CF11 1
Areas covered
Cardiff city centre, Canton, Cardiff Bay, Grangetown 2
Active postcodes
870 3
Households (2011 Census, via Doogal)
15,695 2
Population (2011 Census, via Doogal)
36,147 2
Electoral wards
Butetown, Canton, Dinas Powys, Grangetown, Llandaff, Llandough, Riverside 4
Parliamentary constituencies
Cardiff South and Penarth, Cardiff West 4
Local authority
Cardiff, Vale of Glamorgan 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.