Our standard double sizes are 4ft 6 inches wide – providing plenty of extra wiggle room - while our children’s double mattresses are slightly smaller at 4 ft 4 inches. Choose from our wide selection of styles and designs,… [ Read more ] from traditional double pocket sprung mattresses to more form fitting double memory foam mattresses designed to support support you throughout the night, no matter how much you roll about. If it's a touch of luxury you're after why not opt for a double pillow top mattress, combining great comfort and firm support for that ultimate nights sleep. Unsure what size mattress you need? Why not browse all of our mattresses, single mattresses or larger king size mattresses. . [ Read less ]