Winter heating costs can mean a huge blow to our finances. And, with the energy cap set to rocket by a chunky 10% from October, countless Brits are looking for clever ways to slash their bills.

Fortunately, a specialist has shone a light on one hack that could save you ‘25%’ on energy during the colder months. Samantha Mant, CEO of Halcyan Water Conditioners, claimed it all comes down to fixing a specific household issue which may be ‘adding £500 or more’ to your expenses every year.

“As…