Switch to LED fairy lights to cut your power bill this year end

Replacing old light bulbs with modern LEDs will save you money, experts say. Photo: picture alliance/dpa

It's that time of the year when fairy lights, gathering dust since being stuffed in a box in January, will be making their appearance again in many homes.

Christmas lights and other fairy lights can last for years, and that means they’re often made up of old, inefficient incandescent light bulbs. So, is it worth replacing them?