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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  • FREE upgrade to King size
    Save £180
    Was £509 Sale £379 Extra Offer Price £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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  • FREE upgrade to King size
    Save £190
    Was £539 Sale £399 Extra Offer Price £349

    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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  • FREE upgrade to King size
    Save £570
    Was £1499 Sale £1119 Extra Offer Price £929

    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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  • FREE upgrade to King size
    Save £170
    Was £449 Sale £329 Extra Offer Price £279
    • 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
    or as low as per month (0% APR)
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  • FREE upgrade to King size
    Save £120
    Was £389 Sale £289 Extra Offer Price £269

    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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  • FREE upgrade to King size
    Save £230
    Was £619 Sale £459 Extra Offer Price £389
    • 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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  • FREE upgrade to King size
    Save £280
    Was £699 Sale £519 Extra Offer Price £419

    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 £120
    Was £469 Sale £349

    If you like a firmer mattress, you’ll sleep better on the hypoallergenic Sealy Activsleep Ortho Extra Firm mattress.

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  • Save £150
    Was £599 Sale £449

    Advanced sleep technology ensures that the Sealy Activsleep Ortho Posture Pillow Top mattress is the perfect combination of pressure-relieving support and comfortable softness.

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  • Save £190
    Was £739 Sale £549

    Featuring an innovative spring unit plus sumptuous memory foam, the Sealy Activsleep Memory Pocket 1800 mattress guarantees a superb night’s sleep.

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  • FREE upgrade to King size
    Save £210
    Was £569 Sale £419 Extra Offer Price £359
    • 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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  • FREE upgrade to King size
    Save £70
    Was £299 Sale £269 Extra Offer Price £229

    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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