King Size Mattresses

King size mattresses offer complete comfort. Forget sleeping like sardines, you and your other half will never argue about bed hogging with this 5’ x 6’6” mattress. A king size mattress is perfect if you have a large bedroom. Why choose any other than a king size mattress if you’ve got the space to play with? You’ll sleep better at night as you’ll have the freedom to toss and turn without disturbing your partner’s sleep.

Sleep Like a King on a King Size Mattress

You’re certain to sleep well on this mattress. Here at Happy Beds, there’s something for everyone. Browse our selection of king size mattresses today and find the right one for you.
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    • Super Ortho Spring Reflex Foam Orthopaedic Medium Firm Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £189.99
      From £109.99
    • Signature Silver 1400 Pocket Sprung Orthopaedic Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £314.99
      From £164.99
    • Ortho Royale Spring Orthopaedic Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £179.99
      From £104.99
    • Signature Crystal 3000 Pocket Sprung Orthopaedic Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £439.99
      From £229.99
    • Signature Platinum 2000 Pocket Sprung Orthopaedic Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £379.99
      From £199.99
    • Signature 2000 Pocket Sprung Pillow Top Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £429.99
      From £224.99
    • Pocket Comfort 3000 Individual Sprung Reflex Foam Support Orthopaedic Rolled Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £219.99
      From £119.99
    • Mirage Spring Quilted Bamboo Fabric Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £204.99
      From £119.99
    • Supreme Ortho Spring Reflex Foam Orthopaedic Extra Firm Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £199.99
      From £114.99
    • Majestic 1000 Pocket Sprung Orthopaedic Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £224.99
      From £129.99
    • Pocket Flexi 1000 Individual Sprung Reflex Foam Orthopaedic Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £215.00
      From £104.99
    • Bamboo Vitality 2000 Pocket Sprung Memory and Reflex Foam Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £424.99
      From £234.99
    • Star Spring Quilted Fabric Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £144.99
      From £74.99
    • Richmond 3000 Pocket Sprung Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £369.99
      From £204.99
    • Flex 1000 Reflex Foam Orthopaedic Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £170.00
      From £84.99
    • Aloe Vera 1500 Pocket Sprung Memory and Reflex Foam Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £344.99
      From £189.99
    • Memory Foam 5000 Reflex Support Orthopaedic Medium Tension Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £200.00
      From £99.99
    • Ultimate Ortho Reflex Foam Support Orthopaedic Rolled Extra Firm Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £219.99
      From £119.99
    • Neptune Spring Quilted Cotton Fabric Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £164.99
      From £94.99
    • Pinerest Spring Semi-Orthopaedic Quilted Fabric Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £164.99
      From £94.99
    • Maestro Spring Memory Foam Tufted Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £224.99
      From £129.99
    • Gold Tufted Orthopaedic Spring Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £154.99
      From £89.99
    • Pocket Memory Foam 3000 Individual Sprung Orthopaedic Rolled Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £224.99
      From £124.99
    • Tennyson 4000 Twin Pocket Sprung Air Flow Orthopaedic Natural Fillings Mattress

      This mattress is not suitable for the selected bodyweight
      Soft
      Medium
      Firm
      RRP FROM £649.99
      From £339.99
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