Ultrafast full fibre broadband across Cardiff
Carnival Internet is expanding its full fibre network across Cardiff, bringing ultrafast, reliable broadband to homes in Pontcanna, Roath, Canton, Llandaff, Cardiff Bay, Grangetown, Cathays and Penarth — and more areas every month.
Check coverage at your addressFull fibre broadband built for Cardiff
Cardiff is a city that runs on connectivity. Whether it is Cardiff residents working from home, students at Cardiff University studying and streaming, families keeping everyone entertained across multiple devices, or local businesses staying competitive — reliable, fast broadband is not optional any more.
Carnival Internet brings full fibre broadband — fibre all the way to your home, not just to the cabinet — to Cardiff. That means ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps, consistent performance throughout the day regardless of how many of your neighbours are online, and upload speeds that match your download speeds. Our network is growing across Wales every month, with new streets and postcodes coming online regularly.
We currently cover Pontcanna, Roath, Canton, Llandaff, Cardiff Bay, Grangetown, Cathays and Penarth — and we are expanding. If you are not yet in a covered area, enter your postcode to register your interest and we will notify you as soon as you can connect.
Full fibre broadband by neighbourhood in Cardiff
Our network covers the length and breadth of Cardiff. Check your postcode to confirm availability at your specific address.
Pontcanna
Full fibre broadband is available across Pontcanna, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Pontcanna →Roath
Full fibre broadband is available across Roath, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Roath →Canton
Full fibre broadband is available across Canton, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Canton →Llandaff
Full fibre broadband is available across Llandaff, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Llandaff →Cardiff Bay
Full fibre broadband is available across Cardiff Bay, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Cardiff Bay →Grangetown
Full fibre broadband is available across Grangetown, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Grangetown →Cathays
Full fibre broadband is available across Cathays, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Cathays →Penarth
Full fibre broadband is available across Penarth, bringing ultrafast speeds up to 1,000944 Mbpsnbsp;Mbps to homes and households throughout the area. Check your postcode to confirm availability at your address.
Check availability in Penarth →More areas coming soon
Our Cardiff network is growing every month. If your area is not yet listed, register your postcode and we will let you know as soon as full fibre reaches your street.
Register your interest →Why Cardiff is switching to full fibre
Most broadband connections in the UK — including many marketed as "fibre" — use fibre cables only as far as the street cabinet, then copper telephone wire for the final stretch to your home. That final copper section is the bottleneck that limits your speeds and causes the slowdowns and reliability issues that many Cardiff households experience.
Carnival Internet runs fibre all the way to your home — what the industry calls FTTP (fibre to the premises). There is no copper in the chain. The result is faster speeds, symmetrical upload and download performance, and a connection that stays consistent regardless of the time of day or how many people in your street are online.
For Cardiff residents — whether you are a family in Pontcanna, a student near Cardiff University, or a professional working from home in Roath — that difference is immediately noticeable.
Check your postcodeNetwork at a glance
- Speeds up to 1,000 Mbps
- Symmetrical upload and download
- Full fibre direct to your home (FTTP)
- Consistent speeds 24 hours a day
- Wi-Fi 6 or Wi-Fi 7 router included
- No mid-contract price rises
Full fibre for the way Cardiff lives
Students and young professionals
Cardiff University and the wider Cardiff student community rely on fast broadband for coursework, streaming, gaming, and video calls. Full fibre handles every demand simultaneously without any activity affecting another.
Families across Cardiff
When the whole family is online at once — parents working from home, kids streaming and gaming, smart home devices running in the background — only full fibre has the bandwidth to handle it all without anyone noticing.
Home workers and remote professionals
Cardiff has a growing remote and hybrid workforce. Full fibre's symmetrical upload speeds make video calls, VPN connections, and cloud tools perform as reliably at home as they do in the office.
A connected city
From streaming the Eisteddfod online to watching live events from the Principality Stadium, Cardiff's digital life demands broadband that keeps up. Carnival Internet is built exactly for that.
Ready for full fibre broadband in Cardiff?
Check your postcode to see if Carnival Internet is available at your address.
Check your postcode now