King Size Mattresses

Relax in luxurious comfort night after night with a superb king size mattress, beautifully designed and incorporating the latest sleep research. Choose from hand-tufted softness to body-cushioning memory foam and discover what a good night's sleep really means. Shop our range and find the best king mattress for you.

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Size King Size Brand Jay-Be Mammoth Sealy Sleep Story + 3
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  • National Bed Retailer of the Year
    Three-time winner of National Bed Retailer of the Year
  • 14% OFF
    Save £150
    Was £1099 Sale £949

    Mammoth, the brand preferred by athletes, has created this medium-feel sport mattress just for us. It combines the pressure-relieving comfort of Medical Grade™ Foam with pocket spring support.

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  • Delivered in 28 days
    Special Buy £899

    It’s the combination of individually pocketed springs, a pressure-relieving gel layer and a luxurious pillowtop that makes this handmade Sealy mattress so special.

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  • 16% OFF
    Save £150
    Was £999 Sale £849

    You don’t have to be an athlete to appreciate this Mammoth Sport mattress. Individually pocketed springs and layers of Medical Grade™ Foam promise pressure-relieving comfort.

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  • Delivered in 14 days
    11% OFF
    EXTRA 10% off
    Save £48
    Special Buy £479 Extra Sale Offer £431

    A combination of open coil springs and foam makes the Sleep Story Cool Sleep mattress a cool and comfortable place to sleep.

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  • Delivered in 14 days
    11% OFF
    EXTRA 10% off
    Save £110
    Special Buy £1099 Extra Sale Offer £989

    Superb mattress technology meets luxurious comfort in the Sleep Story Hybrid 3000 mattress.

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  • Delivered in 28 days
    Special Buy £499

    With a built-in powerpack for targeted lumbar pain relief and Sealy’s PostureTech Ortho spring system at its core, this incredible-value double-sided mattress promises better sleep.

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  • Delivered in 14 days
    11% OFF
    EXTRA 10% off
    Save £130
    Special Buy £1299 Extra Sale Offer £1169

    • Deep natural latex and pocket sprung comfort designed to relieve pressure 
    • AdvantEdge® support system for maximum sleeping space 
    • Handcrafted in Britain 

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  • Delivered in 14 days
    EXTRA 10% off
    Special Buy £1449

    • All-natural luxury comfort with a 100% British wool layer
    • 4000 individually encased pocket springs in three tiers for incredible support
    • Handcrafted in Britain 

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  • Delivered in 14 days
    11% OFF
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    Special Buy £1049 Extra Sale Offer £944

    •    Advanced Equasleep© technology for effective temperature regulation 
    •    Fully encapsulated border provides a maximum sleep surface 
    •    Handmade in Britain 

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  • Delivered in 28 days
    Special Buy £599

    Superb support and exceptional comfort that precisely adapts to your body’s weight and movement – that’s the beauty of the great-value Sealy Claremont mattress.

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  • Delivered in 28 days
    Special Buy £529

    If you suffer from back pain, this mattress is for you. Offering medium support with the comfort of memory foam, it has a built-in powerpack for targeted lumbar pain relief.

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  • Delivered in 14 days
    11% OFF
    Save £95
    Special Buy £949 Extra Sale Offer £854

    There’s just something about the softness of a mattress layered with natural fillings that makes tucking yourself up in bed such a treat. This one’s a beauty – made just for us by Highgrove – and yours at a really great price.

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