As Britain braces for freezing temperatures , people are starting to crank their heating up - but this £1 trick will help keep your home warmer than ever. With the rising cost of bills and no end in sight for the sub-zero conditions, it's no wonder people are conscious of keeping their heating on, but this simple hack will help you make the most of your central heating when it is on. It helps to add "extra" heat to any room, and the best part is that it'll cost just £1.45 and TikToker @the.