King-size Mattresses Handmade in the UK

A standard UK king-size mattress is 5ft wide by 6ft 6in long. A double is 4ft 6in wide by 6ft 3in long; a super king is 6ft wide by 6ft 6in long. Check the outer dimensions of your bed frame as well as the mattress size.

Yes. We can make a king-size mattress to a length of up to 8ft. Tell us the mattress dimensions you need, and check the bed frame and route to your room before ordering.

Choose a king-size bed frame designed for a 5ft wide mattress. The frame’s outside dimensions will be larger because the mattress sits within it. Check the dimensions of your chosen wooden bed and the access route to your room.

We generally recommend zip-link construction for heavier Diamond king-size models, and we may recommend it for another model if stairs, turns or doorways make access difficult. Two 2ft 6in-wide sections zip together on the bed. We will check the model, weight and delivery route with you. An additional charge applies for zip-link mattresses in king size and smaller.

Yes. Delivery and installation are free when you order a mattress on its own; you do not need to buy a bed frame as well. We can also remove and recycle your old mattress for an additional fee when you buy a new one. Read about mattress recycling.

Henry Smeaton mattresses have a five-year guarantee, except the Diamond 14,000, which has a ten-year guarantee. Check the terms for the model you choose.

These mattresses are rotate only and should not be turned over, apart from the Next Generation Memory Foam model, which does not need rotating. The Next Generation Pocket Memory Foam model does need rotating. Follow your model’s care instructions.

No. The Next Generation Memory Foam mattress is non-turn and does not need rotating. The Next Generation Pocket Memory Foam mattress is also non-turn, but it does need rotating. Follow the care instructions for your chosen model.