Sealy

Sealy Mattresses and Divans at MattressOnline. Become a deeper sleeper World-renowned for their expertise, innovation and high quality products, Sealy is one of the leading bed and mattress brands. Approved by the NBF, Sealy produces some of the most well-known, well-loved beds and mattresses the world over. Choose from our impressive collection of Sealy mattresses and beds, including Posturepedic pocket springs, PostureTech, memory foam, orthopaedic beds and much more - all with Free Delivery.
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  • Single

    3′ x 6′3″
    £249.95
    Next Day
  • Small Double

    4′ x 6′3″
    £314.95
    Next Day
  • Double

    4′6″ x 6′3″
    £314.95
    Next Day
  • King Size

    5′ x 6′6″
    £359.95
    Next Day
  • Superking

    6′ x 6′6″
    £419.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £419.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £239.95
    Next Day
  • King Size

    5′ x 6′6″
    £289.95
    Next Day
Up to 55% off
Sealy Posturepedic Aspen Mattress
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Small Double

    4′ x 6′3″
    £199.95
    Next Day
  • Double

    4′6″ x 6′3″
    £199.95
    Next Day
  • King Size

    5′ x 6′6″
    £239.95
    Next Day
  • Superking

    6′ x 6′6″
    £334.95
    Next Day
  • Single

    3′ x 6′3″
    £464.95
    Next Day
  • Double

    4′6″ x 6′3″
    £609.95
    Next Day
  • King Size

    5′ x 6′6″
    £699.95
    Next Day
  • Superking

    6′ x 6′6″
    £834.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £834.95
    3-4 Weeks
Up to 30% off
Sealy Support Regular Mattress
  • Single

    3′ x 6′3″
    £149.95
    Next Day
  • Small Double

    4′ x 6′3″
    £209.95
    Next Day
  • Double

    4′6″ x 6′3″
    £209.95
    Next Day
  • King Size

    5′ x 6′6″
    £254.95
    Next Day
Up to 30% off
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £149.95
    Next Day
  • Small Double

    4′ x 6′3″
    £209.95
    Next Day
  • Double

    4′6″ x 6′3″
    £209.95
    Next Day
  • King Size

    5′ x 6′6″
    £254.95
    Next Day
  • Single

    3′ x 6′3″
    £159.95
    Next Day
  • Small Double

    4′ x 6′3″
    £199.95
    Next Day
  • Double

    4′6″ x 6′3″
    £199.95
    Next Day
  • King Size

    5′ x 6′6″
    £239.95
    Next Day
  • Superking

    6′ x 6′6″
    £334.95
    Next Day
Up to 25% off
Sealy Posturepedic Rosie Mattress
  • Single

    3′ x 6′3″
    £219.95
    Next Day
  • Small Double

    4′ x 6′3″
    £259.95
    Next Day
  • Double

    4′6″ x 6′3″
    £259.95
    Next Day
  • King Size

    5′ x 6′6″
    £299.95
    Next Day
  • Superking

    6′ x 6′6″
    £399.95
    Next Day
  • Single

    3′ x 6′3″
    £219.95
    Next Day
  • Small Double

    4′ x 6′3″
    £259.95
    Next Day
  • Double

    4′6″ x 6′3″
    £259.95
    Next Day
  • King Size

    5′ x 6′6″
    £299.95
    Next Day
  • Superking

    6′ x 6′6″
    £399.95
    Next Day
  • Single

    3′ x 6′3″
    £659.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £879.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £974.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,169.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,169.95
    14-21 Days
Showing products 1-10 of 43
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