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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  • 50% off
    Save £450
    Was £899 Sale £449

    • Luxuriously comfy eco-friendly mattress at a great value price 
    • Temperature regulating, hypoallergenic Eco Comfort Fibre™ layer
    • 800 zoned pocket springs plus 1000 responsive mini-springs

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  • 50% off
    Save £350
    Was £699 Sale £349

    • Great value eco-friendly mattress with 800 zoned pocket springs 
    • Temperature regulating, hypoallergenic Eco Comfort Fibre™ layer
    • Innovative comfort layer made from 100% recycled bottles

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  • Save £140
    Was £539 Sale £399

    The Silentnight Mirapocket Serenity 1200 mattress is an award winner and it’s easy to see why. Rated a Best Buy by Which?, it scores top marks for comfort as well as value.

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  • Save £140
    Was £549 Sale £409
    • Fantastic value pocket spring and memory foam mattress from Silentnight
    • Edge-to-edge support means more sleep space with no ‘roll together’
    • Mirapocket technology with 1000 zoned pocket springs
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  • Save £100
    Was £389 Sale £289

    Offering outstanding orthpaedic support with an extra firm feel, the Silentnight Miracoil Serenity Ortho mattress is your kind of comfort at a fantastic value price.

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  • Save £180
    Was £699 Sale £519

    Top to bottom and side to side, the Silentnight Mirapocket Serenity 2000 Memory mattress provides incredible comfort at a fantastic value price.

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  • Save £150
    Was £569 Sale £419
    • Fantastic value Silentnight Mirapocket Serenity Ortho mattress
    • Edge-to-edge support means more sleep space with no ‘roll together’
    • Mirapocket technology with 1400 zoned pocket springs
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  • Save £90
    Was £349 Sale £259
    • Fantastic value spring divan mattress from Silentnight
    • Edge-to-edge support for more personal space with no ‘roll together’
    • The Miracoil® spring system in 3 zones aligns your spine perfectly
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  • Save £90
    Was £339 Sale £249

    Offering layers of superb comfort, the Sleep Story pocket 1000 mattress is a great-value, intelligently designed roll up mattress.

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  • Special Buy £439

    If you like the feel of a traditional mattress, you’ll love the Sleep Story Ortho Pocket 1000 mattress.

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  • Special Buy £799

    Fall asleep with ease, and wake fully rested, with the luxuriously deep Sleep Story Pillow Pocket 3000 mattress.

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  • Special Buy £899

    It’s the blend of natural layers and engineered pocket springs that make the Sleep Story Hybrid 2000 mattress so comfortable.

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