Hidden 'winter' switch on doors that will keep cold out and save you a fortune on heating bills

As Brits brace for chilly weather leading up to the winter, cost-saving measures are top of mind for many tackling high heating bills amidst the cost of living challenges. During these tough times, a clever hack could be the key to saving money and retaining heat in your home.

This trick is particularly useful if you have a UPVC door, as it could banish drafts, bolster insulation and keep your living space snug as nights draw in. The hack is based on a 'hidden' switch likely unfamiliar to most, yet using it is very straightforward.

Home improvement enthusiast and content creator Aljacy took to social media, sharing the nifty advice with his followers online. His clear guide demonstrates that activating the 'summer and winter' switch pulls the door more snugly against the frame, sealing off any crevices that allow cold air to come in, leading to a much warmer abode.

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"Just a little tip if you have UPVC doors and they're a bit drafty, they have a summer and a winter setting. The sliders they have a little mark, you twist it out and then it will pull your seals tighter," he explained in the video which now has more than 3.4 million views.

Alternatively, during summer, adjusting for a bit ventilation allows air to circulate, and then when winter rolls around, tightening up ensures that precious heated air stays indoors, reports the Mirror.

The revelation left many social media users astounded, prompting comments such as: "Why don't they tell you this when they fit the door? " as another said: "Wait... 43 YEARS and now you're telling me this information?.

After trying it, a third added: "Actually does work, just done mine and I had a gap in