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The main types of UK broadband
| Type | How it reaches you | Streaming verdict |
|---|---|---|
| Full fibre (FTTP) | Fibre all the way into your home | Excellent: fast, stable and consistent in the evening |
| Part fibre (FTTC, "superfast") | Fibre to the street cabinet, copper to your home | Good for HD; 4K depends on distance from the cabinet |
| Cable (Virgin Media) | Coaxial cable from the street | Very fast; can slow at peak times in busy areas |
| Standard broadband (ADSL) | Copper all the way | Often too slow for more than one HD stream |
| 4G / 5G home broadband | Mobile signal to a home router | Good on strong 5G; varies with signal and data allowances |
| Satellite internet | Satellite dish | Useful in remote areas; check latency and data limits |
How much speed you need per screen is covered in our internet speed guide.
Why consistency beats headline speed
Live streams need a steady flow for hours. Lines shared by many homes, or long copper runs from a cabinet, can deliver a great speed test at noon and struggle at 9pm. Full fibre is the most consistent because nothing else shares the copper and the capacity is huge. Our article on why streaming buffers in the evening explains peak-time congestion.
Checking what you can get
- Enter your postcode on provider sites or comparison tools to see which technologies reach your address.
- Look for a minimum guaranteed speed when you sign up: providers that follow Ofcom’s voluntary code must give one, and let you leave if it is not met.
- Check the contract length, mid-contract price rises and whether the router supports modern Wi-Fi.
Making the most of the line you have
- Connect the main TV by Ethernet. See Wi-Fi or Ethernet.
- Choose HD rather than 4K on part-fibre lines far from the cabinet.
- Schedule large downloads and backups overnight.
- Restart an older router weekly.
Questions to ask before you switch
- What is the minimum guaranteed speed for my address, and what happens if you do not meet it?
- How long is the contract, and how are mid-contract price rises worked out? Since January 2025, Ofcom has required any rises built into new contracts to be set out in pounds and pence.
- Is the router included, and does it support current Wi-Fi standards?
- Is there any traffic management or fair-use policy at peak times?
Switching without a gap in service
Ofcom’s One Touch Switch process lets your new provider manage most switches between broadband networks, so you no longer have to contact your old provider first. Ask the new provider to confirm the switch date, keep your old router until the new line is working, and run an evening speed test in the first week so any problem is caught early.
Frequently asked questions
What is the best broadband for streaming in the UK?
Full fibre where available: it is the fastest and most consistent at peak times. Cable is a strong alternative; part fibre works well for HD if you are close to the cabinet.
Is 5G home broadband good for IPTV?
It can be excellent on a strong 5G signal. Check coverage at your address, place the router near a window and watch your data allowance.
Do I need full fibre for 4K?
Not necessarily, but you need a consistent 25 Mbps or so per 4K screen in the evening. Full fibre makes that easy; part fibre may or may not.