King Size Mattresses

Luxuriate in pure comfort night after night with a superbly comfortable king size mattress. Beautifully designed and incorporating the latest sleep research, you'll discover what a good night's sleep really means. From hand-tufted softness to mouldable memory foam, you're sure to find the best king size mattress for you.

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  • 50% off
    Save £350
    After Sale Price £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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  • 50% off
    Save £450
    After Sale Price £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 £300
    After Sale Price £599 Sale £299

    • Firm feel, amazing value, eco-friendly mattress 
    • Miracoil springs offer edge to edge support
    • Breathable fillings made from 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 £160
    Was £619 Sale £459
    • 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 1200 zoned pocket springs
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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 £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 £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 £200
    Was £799 Sale £599

    Wonderfully comfortable and supportive, the hypoallergenic Sealy Activsleep Memory Pocket 2400 mattress offers the support of pocket springs plus memory foam’s body-contouring comfort.

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  • Save £40
    Was £359 Sale £319

    The Silentnight Mattress-Now 7 Zone memory foam roll up mattress offers an array of innovative features at an outstanding price.

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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 £380
    Was £1499 Sale £1119

    It’s the advanced layers of comfort that make the Silentnight Serenity Cool Lux Gel 3000 Ultra mattress so incredibly comfortable.

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