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King Size Mattresses

Turn your bedroom into a sleep sanctuary with a brand-new mattress from Bensons for Beds. Whether you’re looking for a single guest mattress, a double memory foam mattress or a king size pocket-sprung mattress, we have a range of sleeping aids to suit a range of sleeping styles.

How big is a king size mattress?

A king size mattress is 5 feet wide (160cm) and 6 feet 6 inches (200cm) long, making it a foot smaller than a super king mattress.

What king size mattresses are there?

Bensons for Beds stock a range of king size mattresses from renowned brands like Silentnight, Sealy and iGel. We also have a range of exclusive king size mattresses from our in-house brands including Sensaform and Rollo.


Designed in the US to solve the issue of hot sweats or night-time chills, iGel’s intelligent temperature-regulating technology features in all their king size beds.


Exclusive to Bensons for Beds, Sensaform’s Airstream Memory Collection comes with a natural copper infusion to help keep you cool night after night. Meanwhile, the spring and memory foam work together for pressure-relieving bliss.

For more information about king size mattresses, visit your local store or call Bensons for Beds on 0808 144 6160.