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Full fibre vs fibre broadband: what's the difference?

By Chris Davies · Updated

Quick answer"Fibre broadband" usually means FTTC: fibre runs to the green street cabinet and copper telephone wire covers the last stretch to your home, giving up to about 80Mbps. Full fibre (FTTP) runs fibre all the way into your property, giving 100Mbps to 2Gbps or more, much faster uploads and better reliability.

Three ways broadband reaches your home

TypeHow it's connectedTypical top downloadTypical upload
Standard (ADSL)Copper all the way from the exchangeUp to ~17Mbps (often less)Under 1Mbps
Fibre to the cabinet (FTTC / "superfast")Fibre to the street cabinet, copper to your homeUp to ~80MbpsUp to ~20Mbps
Full fibre (FTTP / "gigabit")Fibre all the way into your home100Mbps–2Gbps+20Mbps–2Gbps

Cable broadband (Virgin Media's older network) uses coaxial cable for the last part and can also reach gigabit speeds. Ofcom groups full fibre and cable together as "gigabit-capable".

Why the copper part matters

Copper loses signal over distance. On FTTC, a home 200 metres from the cabinet may get close to 80Mbps, while one a kilometre away might get 20Mbps. Full fibre doesn't fade like that, so the speed you're sold is much closer to the speed you get, at any time of day.

Is full fibre worth it?

Watch the wording in adverts

The Advertising Standards Authority still allows FTTC to be called "fibre broadband". Look for "full fibre", "FTTP" or "fibre to the premises" if you want fibre into your home.

How to check what you can get

Availability changes street by street, and even between neighbours. Enter your postcode in Cooper's checker and pick your address. We show Ofcom's predicted speeds for copper, superfast and full fibre at that property, then match you with deals that fit.

Let Cooper find your match

Answer a few quick questions and see the deals that reach your address.

Frequently asked questions

Is fibre broadband the same as full fibre?

No. "Fibre broadband" usually means fibre to the cabinet (FTTC), with copper wire for the last stretch. Full fibre (FTTP) is fibre all the way into your home and is much faster and more reliable.

How do I know if I have full fibre?

Full fibre usually has an optical network terminal (ONT): a small box where the fibre enters your home, separate from your router. If your router plugs into a phone socket, you are on copper or FTTC.

Does full fibre need a phone line?

No. Full fibre doesn't use a copper phone line. If you want a landline it is provided over the internet as digital voice, using your router.

Will full fibre installation damage my home?

Usually not. An engineer typically runs a thin cable from the nearest pole or underground duct and drills one small hole to fit a box inside. Installs often take two to four hours.

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What broadband speed do I need? (UK guide)Work out how much broadband speed your household really needs for streaming, gaming, video calls and working from home, with simple rules of thumb.The landline switch-off and digital voice explainedThe UK's old copper phone network is being retired. What digital voice means for your landline, telecare alarms and broadband, and what you need to do.What is an altnet? Independent full fibre explainedAltnets are independent full fibre networks building alongside Openreach and Virgin Media. How they work, pros and cons, and examples across the UK.