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Super King Size Mattresses

Super Kingsize mattresses measure 180cm x 200cm (6ft x 6ft 6). We offer a range of luxurious mattresses from quality brands, including pressure relieving memory foam or orthopaedic pocket sprung mattresses, with free delivery and great discounts as standard.

Our Top Picks

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  1. Sleepsnug Economy Mattress

    Sleepsnug

    Now From: £129.00

    Next Day Delivery

    The Sleepsnug Economy Mattress is an affordable open coil mattress which measures 15cm deep. The Economy features a 13.5 gauge spring system and a quilted top. For occasional use.

  2. Sleepsnug Twilight Mattress

    Sleepsnug

    Now From: £139.00

    Next Day Delivery

    The Sleepsnug Twilight Mattress is an open coil mattress which has a 13.5 gauge spring system offering a soft to medium feel. Turnable and with a quilted cover, this is a good budget mattress.

  3. Relyon Easy Support Mattress

    Relyon

    Was: £349.00

    You Save: £180.00 (51.6%)

    Now Only: £169.00

    Next Day Delivery

    The Relyon Easy Support mattress is great for people who want Relyon luxury but are on a budget. It's hypo-allergenic and anti dust mite properties will benefit people with allergies or asthma and it arrives rolled for easy lifting.

  4. CLEARANCE - Sleepsnug Ortho Classic Mattress

    Sleepsnug

    Was: £480.00

    You Save: £311.00 (64.8%)

    Now Only: £169.00

    Next Day Delivery

    The Sleepsnug Ortho Classic Mattress is a medium to firm orthopaedic mattress, for those who prefer a firmer feel. Featuring a 12.5 gauge spring unit, this is great for those of above average stature looking for a bargain.

  5. Relyon Firm Support Mattress

    Relyon

    Was: £349.00

    You Save: £180.00 (51.6%)

    Now Only: £169.00

    Next Day Delivery

    The Relyon Firm Support mattress is an orthopaedic, 15cm hypo-allergenic foam mattress made from Relyon's own Superflex comfort foam. This budget mattress from a trusted brand is great for back support and allergy sufferers.

  6. Visco Sensations Memory Flex 1500

    Visco Sensations

    Was: £499.00

    You Save: £329.01 (65.9%)

    Now Only: £169.99

    Next Day Delivery

    The Visco Sensations Memory Flex 1500 is an excellent children's bunk or cabin bed mattress and is designed especially for kids, with a safer, thinner layer of memory foam which is 20mm deep and an overall depth of 15cm.

  7. Contoura Luxury Memory Foam Mattress

    Contoura

    Now From: £169.99

    Next Day Delivery

    The Contoura Luxury Memory Foam Mattress is an excellent budget memory foam mattress, allowing everyone to enjoy the fabulous benefits of this revolutionary material. The 25mm of memory foam on a 12.5 cm reflex foam base provides pressure relief and support.

  8. Visco Sensations Comfort 1500 Mattress

    Visco Sensations

    Was: £499.00

    You Save: £319.01 (63.9%)

    Now Only: £179.99

    Next Day Delivery

    If you're looking for a mattress for a child or a teenager, then the Visco Sensations Comfort 1500 Mattress is an ideal choice. With a reflex foam base that is 15cm deep, this mattress offers excellent support features and anti-allergenic features that will help your son or daughter enjoy a restful sleep every night. The Visco Sensations Comfort 1500 also comes with a 5 year warranty so you can buy with confidence.

  9. Sleepsnug Backcare Mattress

    Sleepsnug

    Was: £520.00

    You Save: £301.00 (57.9%)

    Now Only: £219.00

    Next Day Delivery

    The Sleepsnug Backcare Mattress is an orthopaedic open coil mattress with a 12.5 gauge spring unit, which will provide you with back support so you can enjoy a better night's rest. With a medium to firm feel and measuring 20cm deep, this mattress is an ideal choice for anyone who regularly suffers from back pain. It also features tufting and vents, for a longer lasting mattress and countless restful, supported nights.

  10. Breasley Value Visco 500 Mattress - with Free Pillows

    Breasley

    Was: £599.00

    You Save: £379.01 (63.3%)

    Now Only: £219.99

    Next Day Delivery

    With a luxuriously deep 50mm layer of memory foam sitting on top of a supportive reflex foam base this a supremely comfortable mattress and a great price. The benefits of memory foam, such as pressure relief, usually come at a price but with this mattress you needn't break the bank to improve you sleep and subsequently your health. Comes with one free pillow in the single and two in the larger sizes.

  11. Midnight Beds Viscount Mattress

    Midnight Beds

    Now From: £240.00

    Next Day Delivery

    The Midnight Beds Viscount Mattress has a depth of 25cm and a 12.5 gauge spring unit, which gives you a medium-soft tension. It also has super-soft jersey fabric for further comfort.

  12. Midnight Beds Countess Mattress

    Midnight Beds

    Now From: £240.00

    Next Day Delivery

    The Midnight Beds Countess Mattress is 25cm deep and has a gauge of 12.5, therefore a medium tension. It also features micro-quilting and super-soft fabric for greater comfort.

  13. Relyon Easy Support Supreme Mattress

    Relyon

    Was: £499.00

    You Save: £250.00 (50.1%)

    Now Only: £249.00

    Next Day Delivery

    The Relyon Easy Support Supreme Mattress is one of the best reflex foam mattresses available, at 18cm deep it is deeper than most, providing better support. It also features a Coolmax cover to help regulate your body temperature through the night. It is an affordable way to ensure you get the support you need through the night.

  14. Relyon Memory Original Mattress

    Relyon

    Was: £499.00

    You Save: £240.00 (48.1%)

    Now Only: £259.00

    Next Day Delivery

    The Relyon Memory Original offers the pressure relieving properties of memory foam from one of the finest manufacturers in the world without breaking the bank. It's 18cm deep with 30mm of memory foam and features a Coolmax cover to stop you getting too hot.

  15. Relyon Memory Excellence Mattress

    Relyon

    Was: £549.00

    You Save: £290.00 (52.8%)

    Now Only: £259.00

    Next Day Delivery

    The Relyon Memory Excellence is a 20cm hypo allergenic and no turn mattress featuring 50mm of pressure relieving memory foam. We think that the depth of this mattress, coupled with the heat regulation of a Coolmax cover make this a great all rounder from Relyon.

  16. Relyon Pocket Sensation Mattress

    Relyon

    Was: £549.00

    You Save: £290.00 (52.8%)

    Now Only: £259.00

    Next Day Delivery

    1050 individual pocket springs, supported by Superflex foam will support high pressure areas and your spine. A coolmax cover completes this incredible value mattress and all from one of the best manufacturers in the world.

  17. Contoura Memory Pocket 1000 Mattress

    Contoura

    Now From: £269.99

    Next Day Delivery

    The Contoura Memory Pocket 1000 Mattress is a classic combination of pocket springs and memory foam, to provide you with tailored comfort and support throughout the night. Both the pocket springs and the memory foam work in harmony with specific areas of your body to provide optimum support and pressure relief. It is also great for allergy sufferers thanks to itsa hypo-allergenic properties.

  18. Midnight Pocket 800 Mattress

    Midnight Beds

    Was: £400.00

    You Save: £130.01 (32.5%)

    Now Only: £269.99

    Next Day Delivery

    The Midnight Pocket 800 Mattress is a comfortable pocket sprung mattress which is sure to offer you a good night's sleep at a great price. With 800 pocket springs, its 20cm depth and additional benefits such as edge to edge support, this mattress is a great choice if you're looking for a supportive medium to firm mattress.<

  19. Contoura Pocket Eco 1000 Mattress

    Contoura

    Now From: £269.99

    Next Day Delivery

    The entry-level Pocket Eco 1000 Mattress from Contoura brings you the benefit of pocket springs at an affordable price. This 17cm deep mattress comes with 1000 pocket springs, which are individually wrapped for greater support and comfort.

  20. Relyon Memory Pocket Sensation Mattress

    Relyon

    Was: £599.00

    You Save: £310.00 (51.8%)

    Now Only: £289.00

    Next Day Delivery

    35mm of pressure relieving memory foam on top of 1050 individual pocket springs, supported by Superflex foam make this a comfortable and supportive mattress. A Coolmax cover completes this excellent budget pocket sprung and memory foam mattress, an excellent affordable way to enjoy the benefits of this great combination of technologies.

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Most recent reviews in Super Kingsize (6ft)

  • Review for Relyon Memory Original Mattress

    Superb product and service

    Bought a mattress from a local bed shop,at a much dearer price had it a month before giving it to a charity. Cannot believe the comfort and quality of the Relyon mattress,the speed it was delivered and the service I received from the lady I spoke to.

    posted by Dave (18/05/2014)

    Quality
    Price
    Comfort
  • Review for SALE - Sleepeezee Cool Comfort 1400 Mattress

    Love this mattress.

    High quality mattress, really comfortable. I would say it feels more firm than medium, but it is very comfortable. I am really pleased with the mattress and the quick delivery. The delivery man was very helpful . Definitely recommend this product and company.

    posted by Miss Turner (14/05/2014)

    Quality
    Price
    Comfort
  • Review for Shire eco SOUND Mattress

    Lovely good quality mattress, firm but moulds to the body

    Lovely mattress, best I've ever had. Slightly firm at first but in the night your body moulds in to it. Can't fault anything except its a heavy mattress.

    posted by Fionavu (20/04/2014)

    Comfort
    Quality
    Price

More on Super King Mattresses

Super King size mattresses are slightly growing in popularity today and are the largest standard size in the UK. If you share a bed with a partner, you should go for a Superking mattress as it will offer you both a royal sleeping surface. The more space you have to yourself in the bed, the better quality sleep you are likely to get.

 

When choosing a new mattress, bear in mind that mattress sizes in the UK remain the same whichever manufacturer makes the mattress. This is sometimes not the case for divans and besteads but always the case for mattresses. The industry standard for a superking size mattress is 180cm x 200cm, which is 6’. European and North American sizes for Superking mattresses can differ so be aware of this if you have imported your bed.

 

While mattress sizes are standardised in the UK bed industry, the depth of a superking size mattress will depend on the structure and the fillings within the mattress. In most cases manufacturers use combinations of different fillings to offer different support and comfort levels on the various sleeping parts of the mattress.

 

Airsprung, Relyon, Relyon or Silentsleep - whichever brand you choose, nearly all their mattresses will be available in a 6ft and you can choose from a variety of comfort levels, firmnesses, fillings, finishes and types. Including pocket sprung, memory foam and latex.