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Thick Mattress Toppers

Snuggle up with our thick mattress toppers from trusted brands such as Silentnight, Slumberdown, and Panda London. Choose from memory foam and anti-allergy designs, cooling bamboo covers and hotel-inspired comfort. Perfect for adding extra cushioning, support or a plush finish to any size mattress: sleep just got an upgrade.

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      43 products
      Silentnight Airmax 8cm Mattress Topper
      Rating 4.5 out of 5, from 1435 reviews
      From
      £45.00
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      Silentnight Airmax 5cm Mattress Topper
      Rating 4.5 out of 5, from 4756 reviews
      From
      £35.00
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      Habitat Anti-Allergy 3cm Mattress Topper
      Rating 4.4 out of 5, from 113 reviews
      From
      £28.00
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      Aidapt Cool 5cm Mattress Topper
      Rating 4.7 out of 5, from 835 reviews
      From
      £40.00
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      Silentnight Deep Sleep 2.5cm Mattress Topper
      Rating 4.6 out of 5, from 2794 reviews
      From
      £24.00
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      Silentnight Hotel 10cm Mattress Topper
      Rating 4.6 out of 5, from 88 reviews
      From
      £55.00
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      Silentnight Deep Sleep 10cm Mattress Topper
      Rating 4.6 out of 5, from 197 reviews
      From
      £49.00
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      Silentnight Anti-Allergy 2.5cm Mattress Topper
      Rating 4.6 out of 5, from 1029 reviews
      From
      £24.00
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      Silentnight Hotel 2.5cm Mattress Topper
      Rating 4.6 out of 5, from 1943 reviews
      From
      £28.00
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      Panda Memory Foam 5cm Mattress Topper
      Rating 4.8 out of 5, from 6700 reviews
      From
      £100.00
      Free Delivery
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      Silentnight Soft Like 2.5cm Mattress Topper
      Rating 4.6 out of 5, from 545 reviews
      From
      £25.00
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      Slumberdown Airstream 4.5cm Mattress Topper
      Rating 4.4 out of 5, from 576 reviews
      From
      £78.00
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      Silentnight Super Snuggly 10cm Mattress Topper
      Rating 4.8 out of 5, from 153 reviews
      From
      £48.00
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      Habitat Supersoft 2cm Mattress Topper
      Rating 4.5 out of 5, from 243 reviews
      From
      £22.00
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      Slumberdown Soft & Huggable 2cm Mattress Topper
      Rating 4.4 out of 5, from 133 reviews
      From
      £24.00
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      Silentnight Airmax 5cm Mattress Topper
      Rating 4.4 out of 5, from 55 reviews
      From
      £40.00
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      INFO free delivery
      Silentnight Impress 7cm Mattress Topper
      Rating 4.7 out of 5, from 140 reviews
      From
      £169.00
      Free Delivery
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      Silentnight 5cm Mattress Topper
      Rating 4.5 out of 5, from 1401 reviews
      From
      £110.00
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      INFO free delivery
      Sealy Anti Allergy 4cm Mattress Topper
      Rating 4.6 out of 5, from 61 reviews
      From
      £28.00
      Free Delivery
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      INFO free delivery
      Silentnight Orthopaedic 3cm Mattress Topper
      Rating 4.5 out of 5, from 74 reviews
      From
      £46.00
      Free Delivery
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      Silentnight Bounceback 2.5 Mattress Topper
      Rating 4.3 out of 5, from 83 reviews
      From
      £24.00
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      CLEARANCE BADGE
      Silentnight  Wellbeing 3cm Mattress Topper
      Rating 4.0 out of 5, from 74 reviews
      From
      £22.66
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      The Fine Bedding Company Spundown 3cm Mattress Topper
      Rating 4.8 out of 5, from 55 reviews
      From
      £70.00
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      Silentnight 2.5cm Mattress Topper
      Rating 4.4 out of 5, from 1143 reviews
      From
      £70.00
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      Slumberdown Super Support 4cm Mattress Topper
      Rating 4.2 out of 5, from 735 reviews
      From
      £39.00
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      Dormeo Octasmart Essential 5cm Mattress Topper
      Rating 4.2 out of 5, from 3767 reviews
      From
      £129.00
      Free Delivery
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      Dormeo Octaspring Classic 7cm Mattress Topper
      Rating 4.2 out of 5, from 240 reviews
      From
      £230.00
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      Dormeo Octasmart 7cm Mattress Topper
      Rating 4.2 out of 5, from 406 reviews
      From
      £179.00
      Free Delivery
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      Silentnight Heat Genie 2cm Mattress Topper
      Rating 4.4 out of 5, from 35 reviews
      From
      £32.00
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      CLEARANCE BADGE
      Silentnight Ultrabounce 2.5cm Mattress Topper - Double
      Rating 4.5 out of 5, from 18 reviews
      £21.33
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      Silentnight Wellbeing 8cm Mattress Topper
      Rating 4.0 out of 5, from 32 reviews
      From
      £199.00
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      Silentnight Hungarian Goose Feather and Down 3cm Mattress Topper
      Rating 4.5 out of 5, from 2 reviews
      From
      £135.00
      Free Delivery
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      Silentnight Cooling Copper 2.5cm Mattress Topper
      From
      £44.00
      Free Delivery
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      Slumberdown Wonderful Wool 2cm Mattress Topper
      From
      £50.00
      Free Delivery
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      Slumberdown Gel Memory Foam 5cm Mattress Topper
      From
      £65.00
      Free Delivery
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      Snuggledown Temperature Control 2.5cm Mattress Topper
      From
      £34.00
      Free Delivery
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      CLEARANCE BADGE
      Argos Home 3cm Mattress Topper - Single
      £45.00
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      CLEARANCE BADGE
      Argos Home 3cm Mattress Topper - Kingsize
      Save 25%
      £40.00
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      Emma Sleep Original Pro Memory Foam 9cm Mattress Topper
      Rating 3.9 out of 5, from 106 reviews
      From
      £228.00
      Free Delivery
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      Slumberdown Thermal Nights 2.5cm Mattress Topper
      Rating 3.7 out of 5, from 6 reviews
      From
      £24.00
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      Emma Sleep Flip 6cm Mattress Topper
      Rating 3.8 out of 5, from 103 reviews
      From
      £146.00
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      Snuggledown Anti Allergy 2.5cm Mattress Topper
      From
      £34.00
      Free Delivery
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      See more related results forthick mattress topper

      CLEARANCE BADGE
      Silentnight Coverless 10cm Mattress Topper - Single
      £22.50
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      Related categories

      Buy Mattress Toppers OnlineSingle Mattress ToppersDouble Mattress ToppersKing Size Mattress ToppersSilentnight Mattress ToppersMattress ProtectorsSmall Double Mattress ToppersMemory Foam Mattress ToppersWaterproof Mattress Protectors
      Thick Mattress Toppers | Argos