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.

Refine Your Results By:

Size
Price range
Mattress Type
Comfort
Delivery
Brand
More Filters
Sort By
Sort

Filter Applied filters Clear filters

Applied filters Clear filters
Size King Size Comfort Firm Brand Sealy Sleep Story Vispring + 3
Filter by
Applied filters Clear filters
Size King Size Comfort Firm Brand Sealy Sleep Story Vispring + 3
Sort
Applied filters Clear filters
Size King Size Comfort Firm Brand Sealy Sleep Story Vispring + 3
  • top20_white_icon_v2
    "Our best loved, best rated, best selling mattresses"
    Shop our top 20 mattresses
    top20_mattress
  • National Bed Retailer of the Year
    Three-time winner of National Bed Retailer of the Year
  • Delivered in 14 days
    17% OFF
    EXTRA 10% off
    Save £100
    Special Buy £599 Extra Sale Offer £499

    Designed for anyone who sleeps better on a medium mattress, the Sleep Story Ergo 1000 layers pocket springs with body-responsive foam and superior medical-grade fillings.

    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • 24% OFF
    Save £496
    RRP £2145 Sale £1649

    Elevate your bedroom to new heights of luxury with the Vispring Traditional pocket sprung mattress.

    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • 25% OFF
    Save £696
    RRP £2895 Sale £2199
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, bamboo and cotton
    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • 24% OFF
    Save £1241
    RRP £5340 Sale £4099
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, horsehair, bamboo and cotton
    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • 24% OFF
    Save £1026
    RRP £4325 Sale £3299
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, horse hair and cotton
    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • 23% OFF
    Save £1716
    RRP £7715 Sale £5999
    • Luxurious 23cm mattress in a choice of three comfort levels
    • Wonderful support from 1440 vanadium steel springs
    • Springs, each with six coils, hand-nested in calico pockets 
    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • Delivered in 14 days
    11% OFF
    EXTRA 10% off
    Save £48
    Special Buy £479 Extra Sale Offer £431

    A combination of open coil springs and foam makes the Sleep Story Cool Sleep mattress a cool and comfortable place to sleep.

    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • Delivered in 14 days
    11% OFF
    EXTRA 10% off
    Save £110
    Special Buy £1099 Extra Sale Offer £989

    Superb mattress technology meets luxurious comfort in the Sleep Story Hybrid 3000 mattress.

    from per month (0% APR)
    Quick view
    Firm
    null
    null
  • Delivered in 28 days
    Special Buy £699

    You can count on Sealy for value and comfort. The Sealy Sterling mattress has personalised pocket spring support, cushioning Geltex filling and a smooth quilted surface.

    from per month (0% APR)
    Quick view
    Firm
    null
    null