Your home is your castle - so you deserve to sleep like a king or queen with our fantastic range of king size mattresses! Luxuriate and stretch out with all the space you need for a wonderful night's sleep on a king size mattress. Measuring 5' x 6'6" (150 cm x 200 cm), king size mattresses are the perfect size for couples and those looking for more sleeping space.
Of course, the king size mattress mainly suits average or larger bedrooms. But that shouldn't stop you from selecting the royalty of a king-sized mattress because of a little thing called space! So long as you have enough space to move around your room comfortably, you can still enjoy a blissful night's sleep and relish the luxurious space and comfort that only a king size mattress can offer.
Choose your king size mattress from our huge range, including Sealy, Rest Assured and Silentnight. There's something for everyone in our collection, which includes memory foam, pocket sprung and orthopaedic king size mattresses.
We're confident you will recognise the value and quality in every one of our carefully selected king size mattresses. Browse our collection today - and if you need any support choosing the perfect mattress for you, look no further than our helpful guides and advice.
All of our king size mattresses come with a discount offer of up to 65% off. Stocked and available now, all our king size mattresses include Free Delivery as standard. Many selected products include a complimentary Two Man Delivery Upgrade to any room of your choice. Order your king size mattress today and start sleeping in style - as early as tomorrow!
A king size mattress measures 5' x 6'6" (150 cm x 200 cm). They're perfect if you love to stretch out in a spacious bedroom. King size mattresses are also ideal for couples and families who enjoy having the extra space.
The best king size mattress will give you the ideal levels of comfort and support, depending on your sleeping position, weight and body shape. Our king size mattresses come in five firmness ratings so you can get the support you need.