Sealy

The Sealy product range at Mattress Online has up to 70% off the typical high street price. Our Sealy range includes the Posturepedic, PostureTech and Posturepedic Pocket mattresses and divans all with free delivery within 2-3 weeks.
Showing products 1-47 of 47
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40% Off Massive Sale
Sealy Support Regular Mattress
  • Single

    3′ x 6′3″
    £139.95
    Next Day
  • Small Double

    4′ x 6′3″
    £189.95
    Next Day
  • Double

    4′6″ x 6′3″
    £189.95
    Next Day
  • King Size

    5′ x 6′6″
    £229.95
    Next Day
40% Off Massive Sale
Sealy Support Firm Mattress
  • Single

    3′ x 6′3″
    £139.95
    Next Day
  • Small Double

    4′ x 6′3″
    £189.95
    Next Day
  • Double

    4′6″ x 6′3″
    £189.95
    Next Day
  • King Size

    5′ x 6′6″
    £229.95
    Next Day
50% Off Massive Sale
Sealy Support Firm Mattress
  • Single

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

    4′6″ x 6′3″
    £229.95
    Next Day
  • King Size

    5′ x 6′6″
    £279.95
    Next Day
50% Off Massive Sale
Sealy Support Regular Mattress
  • Single

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

    4′6″ x 6′3″
    £229.95
    Next Day
  • King Size

    5′ x 6′6″
    £279.95
    Next Day
  • Single

    3′ x 6′3″
    £179.95
    Next Day
  • Small Double

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

    4′6″ x 6′3″
    £249.95
    Next Day
  • King Size

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

    6′ x 6′6″
    £409.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £409.95
    14-21 Days
  • Single

    3′ x 6′3″
    £399.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £499.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £599.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £749.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £749.95
    14-21 Days
65% Off Massive Sale
Sealy Simply Classic Mattress
  • King Size

    5′ x 6′6″
    £179.95
    Next Day
65% Off Massive Sale
Sealy Simply Supreme Mattress
  • King Size

    5′ x 6′6″
    £199.95
    Next Day
  • Single

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

    4′ x 6′3″
    £279.95
    Next Day
  • Double

    4′6″ x 6′3″
    £279.95
    Next Day
  • King Size

    5′ x 6′6″
    £314.95
    Next Day
  • Superking

    6′ x 6′6″
    £459.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £459.95
    14-21 Days
  • Single

    3′ x 6′3″
    £429.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £534.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £534.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £569.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £779.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £779.95
    14-21 Days
  • Single

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

    4′ x 6′3″
    £269.95
    Next Day
  • Double

    4′6″ x 6′3″
    £269.95
    Next Day
  • King Size

    5′ x 6′6″
    £309.95
    Next Day
  • Superking

    6′ x 6′6″
    £469.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £469.95
    14-21 Days
  • Single

    3′ x 6′3″
    £274.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £479.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £524.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £689.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £689.95
    14-21 Days
  • Single

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

    4′6″ x 6′3″
    £249.95
    Next Day
  • King Size

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

    6′ x 6′6″
    £479.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £479.95
    14-21 Days
  • Single

    3′ x 6′3″
    £344.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £464.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £544.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £754.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £754.95
    14-21 Days
  • Single

    3′ x 6′3″
    £229.95
    Next Day
  • Small Double

    4′ x 6′3″
    £319.95
    Next Day
  • Double

    4′6″ x 6′3″
    £319.95
    Next Day
  • King Size

    5′ x 6′6″
    £364.95
    Next Day
  • Superking

    6′ x 6′6″
    £459.95
    Next Day
  • Superking Zip and Link

    6′ x 6′6″
    £459.95
    14-21 Days
  • Single

    3′ x 6′3″
    £464.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £649.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £739.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £924.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £924.95
    14-21 Days
  • Double

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

    5′ x 6′6″
    £289.95
    Next Day
  • Single

    3′ x 6′3″
    £244.95
    Next Day
  • Double

    4′6″ x 6′3″
    £349.95
    Next Day
  • King Size

    5′ x 6′6″
    £379.95
    Next Day
  • Superking

    6′ x 6′6″
    £524.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £524.95
    14-21 Days
  • Single

    3′ x 6′3″
    £369.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £549.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £549.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £599.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £799.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £799.95
    14-21 Days
70% Off Massive Sale
Sealy Millionaire Elite Mattress
  • Double

    4′6″ x 6′3″
    £249.95
    Next Day
  • King Size

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

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

    4′ x 6′3″
    £399.95
    Next Day
  • Double

    4′6″ x 6′3″
    £399.95
    Next Day
  • King Size

    5′ x 6′6″
    £429.95
    Next Day
  • Superking

    6′ x 6′6″
    £559.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £559.95
    14-21 Days
  • Single

    3′ x 6′3″
    £389.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £569.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £569.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £609.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £789.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £789.95
    14-21 Days
  • Single

    3′ x 6′3″
    £249.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £339.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £399.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £529.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £529.95
    14-21 Days
  • Single

    3′ x 6′3″
    £284.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £429.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £429.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £469.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £599.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £599.95
    14-21 Days
  • Single

    3′ x 6′3″
    £399.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £639.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £639.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £699.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £914.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £914.95
    14-21 Days
  • Single

    3′ x 6′3″
    £324.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £414.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £489.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £614.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £614.95
    14-21 Days
  • Single

    3′ x 6′3″
    £554.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £739.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £834.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Single

    3′ x 6′3″
    £369.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £524.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £524.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £559.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £699.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £699.95
    14-21 Days
  • Single

    3′ x 6′3″
    £494.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £734.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £734.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £789.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,009.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,009.95
    14-21 Days
40% Off Massive Sale
Autumn Mist Mattress
  • Single

    3′ x 6′3″
    £379.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £539.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £539.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £579.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £659.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £659.95
    14-21 Days
40% Off Massive Sale
Autumn Mist Divan Bed from Sealy
  • Single

    3′ x 6′3″
    £484.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £654.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £654.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £694.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £899.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £899.95
    14-21 Days
  • Single

    3′ x 6′3″
    £389.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £499.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £549.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £689.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £689.95
    14-21 Days
  • Single

    3′ x 6′3″
    £389.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £499.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £549.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £689.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £689.95
    14-21 Days
  • Single

    3′ x 6′3″
    £394.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £549.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £549.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £599.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £744.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £744.95
    14-21 Days
  • Single

    3′ x 6′3″
    £554.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £744.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £744.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £834.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Single

    3′ x 6′3″
    £399.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £484.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £524.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £654.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £654.95
    14-21 Days
  • Single

    3′ x 6′3″
    £534.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £654.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £739.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £919.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £919.95
    14-21 Days
  • Single

    3′ x 6′3″
    £429.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £524.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £569.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £699.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £699.95
    14-21 Days
  • Single

    3′ x 6′3″
    £524.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £699.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £784.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £959.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £959.95
    14-21 Days
  • Single

    3′ x 6′3″
    £484.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £654.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £654.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £694.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £869.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £869.95
    14-21 Days
  • Single

    3′ x 6′3″
    £649.95
    14-21 Days
  • Small Double

    4′ x 6′3″
    £834.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £834.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £929.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,154.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,154.95
    14-21 Days
  • Single

    3′ x 6′3″
    £499.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £609.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £699.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £829.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £829.95
    14-21 Days
  • Single

    3′ x 6′3″
    £589.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £784.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £874.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,049.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,049.95
    14-21 Days
  • Single

    3′ x 6′3″
    £554.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £739.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £829.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,039.95
    14-21 Days
  • Single

    3′ x 6′3″
    £759.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £1,014.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £1,109.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,384.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,384.95
    14-21 Days
  • Single

    3′ x 6′3″
    £624.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £829.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £924.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,129.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,129.95
    14-21 Days
  • Single

    3′ x 6′3″
    £834.95
    14-21 Days
  • Double

    4′6″ x 6′3″
    £1,109.95
    14-21 Days
  • King Size

    5′ x 6′6″
    £1,204.95
    14-21 Days
  • Superking

    6′ x 6′6″
    £1,499.95
    14-21 Days
  • Superking Zip and Link

    6′ x 6′6″
    £1,499.95
    14-21 Days
Showing products 1-47 of 47
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