Super King Firm Mattresses

A super king size measures 180 cm x 200 cm (72" x 78"), offering luxurious space for ultimate comfort. Perfect for couples who want extra room or individuals who enjoy sprawling out, it enhances any bedroom with its spacious design, providing a restful night’s sleep and stylish appeal.


A firm mattress is a firmness that offers very little give or sink, providing a very supportive sleeping surface and distributing your body weight more evenly than softer mattresses. Firm mattresses are perfect for front and back sleepers.

Sleep in total comfort with one of our luxury mattresses, hand picked to create a diverse range of comfort and support options from the very best manufacturers in the UK including Silentnight, Sleepeezee, Relyon and Giltedge.

With up to 60% off RRP and extra offers including free pillows this is the perfect time to upgrade your existing mattress and with 1000s in stock you can have it delivered next day with convenient time slots availavble and have your old mattress taken away at the same time!

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31 Results

  1. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Ortho Stripe 1000 Mattress

    From
    Special Price £403 .00 Regular Price £799.00
    Save £228.00
    50% off
    Rating:
    93%
    free-delivery

    Free delivery from Thursday 13th February

  2. Mattress Type:

    Miracoil Springs

    Miracoil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Silentnight Miracoil Ortho Mattress

    From
    Special Price £433 .21 Regular Price £869.00
    Save £227.75
    50% off
    Rating:
    94%
    free-delivery

    Free Delivery available within 7 - 14 Days

  3. Mattress Type:

    Pocket Springs

    1500 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Bronze 1500 Mattress

    From
    Special Price £799 .00 Regular Price £999.00
    Save £120.00
    23% off
    Rating:
    97%
    free-delivery

    Free delivery from Thursday 13th February

  4. Mattress Type:

    Foam

    Foam

    Giltedge Beds Flex 150 Firm Mattress

    From
    Special Price £302 .00 Regular Price £452.00
    Save £81.00
    34% off
    Rating:
    93%
    free-delivery

    Free delivery from Thursday 13th February

  5. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Ortho Pocket 1000 Mattress

    From
    Special Price £589 .00 Regular Price £799.00
    Save £170.00
    34% off
    free-delivery

    Free delivery from Thursday 13th February

  6. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Savoy Ortho 1000 Mattress

    From
    Special Price £463 .00 Regular Price £695.00
    Save £116.00
    33% off
    Rating:
    97%
    free-delivery

    Free delivery from Thursday 13th February

  7. Mattress Type:

    Open Coil Springs

    Open Coil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Mayfair Mattress

    From
    Special Price £403 .00 Regular Price £604.00
    Save £130.00
    33% off
    Rating:
    92%
    free-delivery

    Free delivery from Thursday 13th February

  8. Mattress Type:

    Open Coil Springs

    Open Coil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Cambridge Mattress

    From
    Special Price £464 .00 Regular Price £695.00
    Save £126.00
    33% off
    free-delivery

    Free delivery from Thursday 13th February

  9. Mattress Type:

    Miracoil Springs

    Miracoil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Silentnight Star Indulge Mattress

    From
    Special Price £403 .00 Regular Price £543.00
    Save £99.00
    26% off
    Rating:
    95%
    free-delivery

    Free Delivery available within 7 - 14 Days

  10. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Baroness Ortho 1000 Mattress

    From
    Special Price £524 .00 Regular Price £819.00
    Save £167.00
    36% off
    free-delivery

    Free delivery from Thursday 13th February

  11. Mattress Type:

    Open Coil Springs

    Open Coil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Shire Beds Eco Drift Mattress

    From
    Special Price £594 .00 Regular Price £802.00
    Save £102.00
    26% off
    Rating:
    90%
    free-delivery

    Free delivery from Friday 14th February

  12. Mattress Type:

    Miracoil Springs

    Miracoil Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Silentnight Miracoil Eco Aide Mattress

    From
    Special Price £463 .03 Regular Price £729.00
    Save £167.37
    36% off
    Rating:
    100%
    free-delivery

    Free Delivery available within 7 - 14 Days

  13. Mattress Type:

    Pocket Springs

    2000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Giltedge Beds Backcare Supreme 2000 Mattress

    From
    Special Price £706 .00 Regular Price £979.00
    Save £396.00
    50% off
    Rating:
    100%
    free-delivery

    Free delivery from Thursday 13th February

  14. Mattress Type:

    Pocket Springs

    1500 Pocket Springs

    Foam

    Foam

    Giltedge Beds Sicily 1500 Mattress

    From
    Special Price £706 .00 Regular Price £1,059.00
    Save £201.00
    33% off
    Rating:
    80%
    free-delivery

    Free delivery from Thursday 13th February

  15. Mattress Type:

    Pocket Springs

    2000 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Giltedge Beds Ultra Ortho 2000 Mattress

    From
    Special Price £736 .00 Regular Price £1,149.00
    Save £265.00
    36% off
    free-delivery

    Free delivery from Thursday 13th February

  16. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Bronze 1000 Mattress

    From
    Special Price £590 .00 Regular Price £984.00
    Save £241.00
    40% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  17. Mattress Type:

    Pocket Springs

    800 Pocket Springs

    Memory Gel

    Memory Gel

    Sleepeezee Jessica Support Mattress

    From
    Special Price £899 .00 Regular Price £1,349.00
    Save £242.00
    33% off
    Rating:
    95%
    free-delivery

    Free Delivery available within 7 - 21 Days

  18. Mattress Type:

    Pocket Springs

    1600 Pocket Springs

    Deluxe Comfort Layers

    Deluxe Comfort Layers

    Sleepeezee Ultra Firm 1600 Mattress

    From
    Special Price £799 .00 Regular Price £1,436.00
    Save £408.00
    45% off
    Rating:
    90%
    free-delivery

    Free delivery from Thursday 13th February

  19. Mattress Type:

    Pocket Springs

    2000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Firm 2000 Mattress

    From
    Special Price £899 .00 Regular Price £1,159.00
    Save £150.00
    21% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  20. Mattress Type:

    Pocket Springs

    3000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Shire Beds Eco Snug Mattress

    From
    Special Price £806 .00 Regular Price £1,088.00
    Save £190.00
    26% off
    Rating:
    90%
    free-delivery

    Free delivery from Friday 14th February

  21. Mattress Type:

    Pocket Springs

    1600 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Firm 1600 Mattress

    From
    Special Price £809 .00 Regular Price £999.00
    Save £250.00
    36% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  22. Mattress Type:

    Pocket Springs

    1000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Firm 1000 Mattress

    From
    Special Price £509 .00 Regular Price £849.00
    Save £90.00
    23% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  23. Mattress Type:

    Pocket Springs

    1400 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Perfectly British Strand 1400 Mattress

    From
    Special Price £971 .00 Regular Price £1,619.00
    Save £332.00
    40% off
    Rating:
    100%
    free-delivery

    Free Delivery available within 7 - 21 Days

  24. Mattress Type:

    Pocket Springs

    1600 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Silver 1600 Mattress

    From
    Special Price £726 .00 Regular Price £1,210.00
    Save £332.00
    40% off
    Rating:
    100%
    free-delivery

    Free Delivery available within 7 - 21 Days

  25. Mattress Type:

    Pocket Springs

    1400 Pocket Springs

    Natural Fillings

    Natural Fillings

    Silentnight Mirapocket 1400 Puriel Mattress

    From
    Special Price £887 .00 Regular Price £1,197.00
    Save £197.00
    26% off
    Rating:
    100%
    free-delivery

    Free Delivery available within 7 - 14 Days

  26. Mattress Type:

    Pocket Springs

    1200 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Wool Luxe 1200 Mattress

    From
    Special Price £719 .00 Regular Price £1,599.00
    Save £200.00
    29% off
    Rating:
    97%
    free-delivery

    Free Delivery available within 7 - 21 Days

  27. Mattress Type:

    Pocket Springs

    1600 Pocket Springs

    Memory Gel

    Memory Gel

    Sleepeezee Cool Refresh 1600 Mattress

    From
    Special Price £849 .00 Regular Price £1,499.00
    Save £150.00
    21% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  28. Mattress Type:

    Pocket Springs

    2000 Pocket Springs

    Natural Fillings

    Natural Fillings

    Sleepeezee Ortho Gold 2000 Mattress

    From
    Special Price £1052 .00 Regular Price £1,754.00
    Save £363.00
    40% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  29. Mattress Type:

    Pocket Springs

    800 Pocket Springs

    Memory Foam

    Memory Foam

    Sleepeezee Fusion Pro Mattress

    From
    Special Price £899 .00 Regular Price £1,361.00
    Save £332.00
    40% off
    free-delivery

    Free Delivery available within 7 - 21 Days

  30. Mattress Type:

    Pocket Springs

    2000 Pocket Springs

    Memory Foam

    Memory Foam

    Giltedge Beds Tranquility 2000 Mattress

    From
    Special Price £1009 .00 Regular Price £1,513.00
    Save £342.00
    33% off
    Rating:
    100%
    free-delivery

    Free delivery from Thursday 13th February

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