Your broadband speed

Not sure about broadband speed, or why some connections are faster than others? Find out how broadband works and how to get the best possible speed from your connection.

What affects broadband speed

What affects broadband speed

The broadband speed you get depends on which type of broadband you have, how far you live from your local telephone exchange, and how your home is set up for broadband. ADSL broadband is the most common. To find out how broadband gets to your home, and how its journey affects the speed you experience, just click below.

See how broadband reaches your home

Optimising your broadband speed

If you're already a BT Broadband customer, you can use our speed-tester tool to check your broadband speed. We'll also give you some expert advice on how to optimise your speed.

Check your broadband speed

Other ways to improve your speed

If you're looking for other ways to improve your speed then it's worth considering getting BT Infinity (our super-fast fibre broadband). You could also consider getting a BT Broadband Accelerator to boost your broadband speed by up to 1.5Mb.

See if you can get BT Infinity

See if you can get BT Infinity

BT Infinity is our fibre broadband and gives you download speeds of up to 76Mb and upload speeds of up to 19Mb (dependent on line, time of day and location). We're rolling it out across the UK – see when it's going to be available in your area.

Learn more about BT Infinity

Already have BT Infinity?

Here's some great news for all our BT Infinity customers, your BT Infinity broadband could now go even faster. If so, we'll do it all for you at no extra cost.
Find out more

BT Broadband Accelerator

If you're not able to get BT Infinity yet or don't want to upgrade, you could try the BT Broadband Accelerator to boost your broadband speed by up to 1.5Mb. The BT Broadband Accelerator is a smart bit of equipment that simply fits into your existing telephone socket.

See if a BT Broadband Accelerator will
work for you

Find out about other ways to improve your broadband speed

The legal stuff

BT Broadband Accelerator – Available to BT Broadband customers only. A speed increase is not guaranteed.

BT Infinity – You'll need a BT line, BT Infinity Home Hub, minimum line speed and computer specification and to pay by Direct Debit. There's an 18 month minimum term and a £6.95 delivery charge for the Hub. Subject to availability and survey. Terms apply.

'Up to' speeds are based on the technology used to deliver broadband to your home and are faster at peak times. The actual speed you'll get also depends on your phone line and how far you are from the telephone exchange. Up to 76Mb speeds available if you live in a BT Infinity enabled area. Use our online speed checker to get your personalised broadband speed estimate before you order.

See how to fit a BT Accelerator

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