King Size Mattresses

Luxuriate in pure comfort night after night with a beautiful 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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Applied filters Clear filters Size King Size Brand Millbrook Beds Silentnight Tempur + 2
  • EXTRA £200 off + 2 FREE pillows
    Save £950
    Was £2499 Sale £1749 Stock Offer £1549

    The name says it all. Providing incredible softness with support, the Tempur® Cloud Supreme mattress is like sleeping on a cloud.

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  • EXTRA £200 off + 2 FREE pillows
    Save £1050
    Was £2799 Sale £1949 Stock Offer £1749

    Superbly soft but with wonderful support, the Tempur® Cloud Elite mattress is, indeed, like sleeping on a cloud.

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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 £30
    Was £299 Sale £269

    A Which? Magazine Best Buy, the Silentnight Mattress-Now 3 Zone memory foam roll up mattress offers wide range of features at a great price.

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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 £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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  • 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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  • EXTRA £200 off + 2 FREE pillows
    Save £1050
    Was £2799 Sale £1949 Stock Offer £1749

    If you like a bouncier mattress feel but want body-contouring support, the Tempur® Sensation Elite mattress could be the one for you.

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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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  • EXTRA £200 off + 2 FREE pillows
    Save £1050
    Was £2799 Sale £1949 Stock Offer £1749
    • The perfect combination of fillings for a fantastic night’s sleep
    • Foam base layer, and further layers of viscoelastic material
    • Conforms to your shape and weight for personalised comfort
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  • Save £270
    Was £1039 Sale £769

    It’s the advanced layers of comfort that make the medium-firm Silentnight Serenity Latex 1400 mattress such a wonderful sleeping experience.

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  • Save £120
    Was £449 Sale £329
    • Fantastic value spring and memory foam mattress from Silentnight
    • Edge-to-edge support, more personal space, no ‘roll together’
    • Miracoil zoned spring system aligns your spine perfectly
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