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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  • The Big Home Clearance
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    "Our best loved, best rated, best selling mattresses"
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  • National Bed Retailer of the Year
    Three-time winner of National Bed Retailer of the Year
  • Delivered in 72 hours
    Save £480
    Was £959 Sale £479

    • 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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  • Delivered in 14 days
    Save £200
    Was £729 Sale £529
    • 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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  • Delivered in 7 days
    Save £600
    Was £1199 Sale £599

    • 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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  • Delivered in 72 hours
    Save £400
    Was £799 Sale £399

    • Firm feel, amazing value, eco-friendly mattress 
    • Miracoil springs offer edge to edge support
    • Breathable fillings made from recycled bottles

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    Extra firm
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  • Delivered in 72 hours
    Save £130
    Was £479 Sale £349

    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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  • Delivered in 14 days
    Save £220
    Was £819 Sale £599

    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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  • Delivered in 72 hours
    Save £100
    Was £399 Sale £299

    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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  • Delivered in 14 days
    Save £170
    Was £649 Sale £479

    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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  • Delivered in 14 days
    Save £100
    Was £379 Sale £279
    • 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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  • Delivered in 14 days
    Save £130
    Was £479 Sale £349

    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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    Extra firm
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  • Delivered in 14 days
    Save £180
    Was £679 Sale £499
    • 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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    Extra firm
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  • Delivered in 14 days
    Save £130
    Was £499 Sale £369
    • 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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