Broadband, TV, cellular and landline telephone corporations should inform clients when their contract is coming to an finish and present them the most effective offers out there underneath new guidelines.
Telecoms regulator Ofcom introduced the transfer as a part of its equity for patrons programme.
The change implies that from subsequent yr, suppliers should ship tailor-made data to tens of millions of particular person clients, together with the contract finish date, the value earlier than this date, any proposed adjustments and the most effective offers supplied by their supplier.
The brand new guidelines might see as much as 20 million clients profit by switching suppliers or agreeing a brand new cope with their present one.
Ofcom mentioned individuals who bundle their landline and broadband companies collectively pay on common round 20% extra when they’re out of contract, rising to 26% amongst clients who bundle of their pay-TV companies.
It mentioned that round one in seven clients didn’t know whether or not they have been nonetheless tied to the unique deal.
Ofcom’s client group director, Lindsey Fussell, mentioned: “We’re ensuring clients are handled pretty, by making corporations give them the knowledge they want, after they want it.
“This can put energy within the palms of tens of millions of people who find themselves paying greater than crucial after they’re now not tied to a contract.”
Ofcom mentioned the brand new guidelines wouldn’t come into drive till 15 February subsequent yr, giving corporations 9 months to make the required adjustments to their methods and processes to verify they “get this proper”.