Switching when you're still in contract

Yes. A minimum term is a promise to pay, not a padlock on the line. Since One Touch Switch arrived in September 2024, every residential broadband switch works the same way: you contact the new provider, and only the new provider, and they manage the whole move. No notice to your current provider, no cancellation call, no twenty minutes on hold while somebody in retention finds the script.

Mid contract, the process actually does you a favour. Once you give the new provider your details, your current provider must automatically send you switching information, including any early termination charges and what the switch means for other services on your account. The figure arrives in writing before you have committed to anything. If you stop there, nothing happens and nothing is charged. It is a free quote for your own exit.

Every other protection applies as normal. You do not pay for the old service past the switch date, Ofcom's switching rules say any loss of service should not exceed one working day, and compensation kicks in if the switch goes wrong. The wire under the pavement does not care how many months were left on your old deal.

So the question was never really whether you can switch. It is what leaving costs and whether the new deal covers it.

An early termination charge is the price of leaving during the minimum term. Ofcom's rule is blunt: the charges must be set out in your contract. How they are calculated is each provider's own recipe, usually built from the monthly payments you have left, sometimes with a discount because they no longer have to supply you. The formula varies by provider, so take the number from your switching information or your own contract rather than from a forum post written in 2023.

Then the sum itself, which is shorter than the dread suggests. Say you pay £29 a month with eight months left. The worst case is eight times £29, which is £232. Now price the other side. If the new deal saves £10 a month across a 24-month term, that is £240 over the contract, plus whatever you save by not absorbing your old provider's next price rise. £240 against £232 is a coin flip. £240 against a discounted exit fee of £120 is not a decision, it is admin.

Three things tilt the maths further. First, the fewer months you have left, the smaller the fee, so a deal that fails the test in month six can pass it comfortably in month sixteen. Second, if you are not sure what you should be paying in the first place, check whether you are overpaying before you price the escape. Third, some providers run switching offers that promise to cover part of your exit fee. The offers are real, but the small print is load-bearing, so read the claim window and the conditions before you count the money.

And if the sum genuinely does not work, the boring answer is to set a reminder for two months before your end date. Switching once the contract is up costs nothing at all.

Now the part the retention department would rather you skipped. There are four situations where you can leave mid contract without paying a penny in exit fees.

A price rise your contract did not spell out. Since 17 January 2025, new and renewed contracts must state any future rises in pounds and pence, and inflation-linked percentage clauses are banned. If your provider raises the price without having specified it, or by more than it specified, Ofcom says you can exit without penalty, and you must get at least a month's notice first. That notice window is your switching window. One honest caveat: a rise you agreed to in pounds and pence at sign-up does not qualify, because you agreed to it. How the pounds and pence rule works, and which older contracts still carry inflation clauses, is a story of its own.

A change to your terms that is not to your benefit. Providers can rewrite a contract mid-term, which is a strange privilege when you consider how the arrangement would go in reverse. The trade is a month's notice and a free exit if the change leaves you worse off. Purely administrative tweaks and changes required by law do not count.

Speed below the minimum you were guaranteed. If your provider signed Ofcom's speeds code (BT, EE, Plusnet, Sky, TalkTalk and Virgin Media are among the signatories) and your speed falls below the minimum guaranteed at the point of sale, they get 30 days to fix it. If they cannot, you can leave penalty free, bundled services included. The detail of minimum guaranteed speeds matters here, because the guarantee is against that figure, not the one in the advert.

The first 14 days. This one exists for the contract you started regretting before the router arrived. Sign up online or over the phone and the Consumer Contracts Regulations give you 14 days from the day the contract was entered into to cancel, paying only a proportionate amount for any service you asked to start early.

These four are exits from the fee, not from the switching process, which carries on as normal. And they are not the whole rulebook either. The full menu of ways to leave without paying a fee is worth ten minutes before you pay anyone anything.

Here is the whole job, in order.

1. Find your end date and your price. Both are in your provider's app or on a recent bill. If the end date is within a couple of months, the maths almost always says wait.
2. Start the switch with the new provider. This triggers the switching information from your current provider, including the exact exit fee. You are not committed at this point. Treat it as a quote.
3. Check the four exits. A recent price rise notice, a changed term, a speed problem or a brand-new contract may make the fee vanish. If one applies, say so plainly and keep the evidence, whether that is the notice letter or your speed test results.
4. Do the sum. Exit fee against total saving over the new term. If it is close, remember the fee is paid once and the saving repeats every month.
5. Confirm and pick your date. The new provider manages the rest, and the day itself is usually a brief blip rather than an outage. Your old billing must stop at the switch date, so check the final bill actually does.

That is the whole job. The admin stopped being the hard part in September 2024. The contract, the fee and the sum are the whole game now.

Mid contract is the expensive corner of switching. The rest of it costs nothing but attention. Everything else about switching, from the day itself to what happens when it goes wrong, sits alongside this piece, and the rules underneath it, on price rises, exit rights and compensation, live under pricing and regulation.