Broadband

What Broadband Speed Do I Actually Need?

Most UK homes overpay for speed they never use. Answer a few questions and get the Mbps you actually need — then stop paying for gigabit you don't.

Used to add a little smart-home headroom.
How many stream / game / call at once on a busy evening.
Each activity adds the bandwidth it typically needs. Gaming is included as bandwidth, but for gaming what really matters is latency, not speed.
On your bill or a speed test. Lets us check if you're overpaying.
£
Lets us estimate a rough annual saving.
Bandwidth weights are typical real-world figures (4K ~25 Mbps, HD ~5 Mbps, video calls ~5 Mbps). We scale by how many people are active at once and add ~20% headroom. This is a guide, not a quote — and not financial advice.
Adjust the inputs above to see your recommendation.

Remind me before my broadband contract ends

Broadband prices usually jump the day your deal expires. Leave your email and we'll nudge you ~30 days before your contract ends — the moment you can switch or haggle without exit fees, and buy only the speed you actually need.

Want the full picture? Check whether you're overpaying on broadband, energy & mobile with our UK Bills Benchmark.

How much broadband speed do you really need?

Broadband is sold on one big, shiny number: megabits per second (Mbps). Providers lead with it because it's easy to compare and easy to upsell — "why settle for 100 when you can have 900?" But speed is only one part of a good connection, and for the overwhelming majority of UK homes it stopped being the bottleneck years ago. The honest truth is that most households pay for far more speed than they ever use, then never notice the difference because the extra capacity simply sits idle.

What activities actually need

The numbers are smaller than the marketing suggests. Streaming in standard definition needs about 3 Mbps; HD around 5 Mbps; 4K/UHD around 25 Mbps. A work-from-home video call uses roughly 5 Mbps. Music streaming is about 1 Mbps. Online gaming needs only around 10 Mbps of bandwidth. Smart-home gadgets — bulbs, plugs, doorbells, speakers — collectively sip a couple of Mbps. Add those up for everything happening at the same time in your house on a busy evening, give it some breathing room, and you have your real requirement. For a typical two- or three-person home that total lands comfortably under 100 Mbps.

Why more speed rarely helps

Bandwidth is like the number of lanes on a motorway. Once you have enough lanes for the traffic at rush hour, adding more lanes does nothing — the cars still travel at the same speed. A Netflix 4K stream takes about 25 Mbps whether your line is 100 Mbps or 1,000 Mbps; the extra 900 Mbps go unused. This is why people who upgrade to gigabit so often report that "nothing feels different." Once your connection comfortably exceeds your household's peak demand, paying for more is paying for empty lanes.

Bandwidth versus latency — especially for gaming

For gamers, the most expensive mistake is buying speed to fix lag. Online games send tiny amounts of data, so bandwidth is almost never the issue — a 100 Mbps line handles gaming as well as a gigabit line. What matters is latency (your ping, measured in milliseconds), plus jitter and packet loss. A stable, low-latency full-fibre connection beats a high-latency gigabit one every time. If your games lag, the fix is usually a wired connection, a better router, or a lower-latency line — not more Mbps.

UK usage is more modest than you think

Ofcom's own data shows typical household data use is comfortably served by superfast speeds (30–100 Mbps), and that the speed most people actually receive is far below the headline gigabit tiers now being marketed. The 30–100 Mbps band covers the realistic needs of most UK homes — including plenty that stream, work from home and game. Ultrafast (100–300 Mbps) is useful for genuinely busy, multi-person 4K households; gigabit (1,000 Mbps) is a niche product dressed up as a default.

Full fibre versus part fibre

The technology behind the speed matters more than the speed itself. Full fibre (FTTP) runs fibre optic cable all the way to your home: it's fast, consistent and far more reliable. So-called "fibre broadband" is often part fibre (FTTC) — fibre to the green street cabinet, then ageing copper for the last stretch to your house, which throttles speed and consistency the further you live from the cabinet. When you compare deals, a full-fibre line at a modest speed will usually serve you better than a higher-advertised part-fibre package. Buy the technology, not just the number.

How you get upsold — and how to switch

Higher tiers are more profitable, so the sales journey is designed to walk you up the menu. The defence is simple: work out the Mbps you actually need first, then buy the cheapest reliable (ideally full-fibre) package that comfortably covers it. The other half of the win is timing. The biggest broadband overpayment in Britain is the loyalty penalty — when your introductory deal ends, your price quietly jumps and you roll onto an out-of-contract rate. In the 30 days before your contract ends you can leave without exit fees, so that's the window to switch or to phone up, quote a competitor and haggle a retention discount. Note your contract-end date, set a reminder, and act on it. That single habit saves most households more than any speed upgrade ever could.

FAQ

What broadband speed do I actually need?

Most UK homes need far less than they pay for. One or two people streaming HD and doing video calls are well served by 30–60 Mbps. A busy household with several people streaming 4K at once might want 100–200 Mbps. Very few homes genuinely need gigabit (1000 Mbps) — it is rarely the bottleneck for normal use.

Is gigabit broadband worth it?

For most people, no. Once your speed comfortably exceeds what your household actually uses at peak, extra Mbps make no noticeable difference to streaming, browsing, calls or even most gaming. Gigabit only helps if you regularly move very large files or have many heavy simultaneous users. Otherwise you are paying a premium for headroom you never touch.

Does more broadband speed make gaming better?

Mostly no. Online gaming needs surprisingly little bandwidth (around 10 Mbps is plenty) — what matters is latency (ping), jitter and a stable connection. A low-latency full-fibre line at 100 Mbps will beat a high-latency gigabit line for gaming. Buying more speed rarely fixes lag.

What is the difference between full fibre and part fibre?

Full fibre (FTTP) runs fibre all the way to your home and is fast and reliable. Part-fibre "fibre broadband" (FTTC) uses fibre to the street cabinet then old copper to your house, which limits speed and consistency. When comparing deals, full fibre at a modest speed often beats a higher-advertised part-fibre package.

Why am I being upsold gigabit broadband?

Higher tiers are more profitable, so providers market speed as the headline figure and nudge you upward. In reality speed is only one factor and most homes never use a gigabit. Work out the Mbps you actually need first, then buy the cheapest reliable package that comfortably covers it.

How do I switch broadband and avoid the loyalty penalty?

Note when your contract ends, because prices usually jump once your deal expires. In the 30 days before contract-end you can switch or haggle without exit fees. Compare full-fibre deals at the speed you actually need, and either move provider or use a competitor quote to negotiate a retention discount. Leave your email and we will remind you before your contract ends.