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King Size Memory Foam Mattresses

King size memory foam mattresses add a luxury element to your sleep, providing you with a large comfortable surface to sleep on. The memory foam king size mattress range available here at My Next Mattress has a wide variety of styles and comfort levels to meet all of your individual requirements. Offering outstanding support with its soft elastic properties, our memory foam king mattresses mould perfectly to your body to result in a more comfortable and supportive night’s sleep. If you are looking for a more luxurious sleep a king size memory foam mattresses will meet all of your desires.

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  1. Next Day
    SleepSoul Space 2000 Mattress
    Rating:
    95%
    SleepSoul Space Mattress
    Now £396.00 Was £699.00 Save £303.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/best-selling-mattress.png
    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
    • https://www.mynextmattress.co.uk/media/option_images/ps.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    Next Day Delivery

    From only £15.49pm

  2. Next Day
    Emma Premium Mattress - Buy Online at MyNextMattress
    Rating:
    89%
    Emma Premium Mattress
    Now £509.00 Was £1,299.00 Save £790.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/best-selling-mattress.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    • https://www.mynextmattress.co.uk/media/option_images/200.png
    Next Day Delivery

    From only £19.91pm

  3. Next Day
    Komfi Unity Comfort Mattress
    Rating:
    85%
    Komfi Unity Regular Mattress
    Now £139.00 Was £199.00 Save £60.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10yr.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-springs.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    Next Day Delivery

    From only £5.44pm

  4. Next Day
    SleepSoul Heaven
    Rating:
    88%
    SleepSoul Heaven Mattress
    Now £284.00 Was £499.00 Save £215.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
    • https://www.mynextmattress.co.uk/media/option_images/best-selling-mattress.png
    • https://www.mynextmattress.co.uk/media/option_images/ps.png
    • https://www.mynextmattress.co.uk/media/option_images/gel.png
    Next Day Delivery

    From only £11.11pm

  5. Next Day
    Komfi Unity Comfort Mattress
    Rating:
    88%
    Komfi Unity Comfort Mattress
    Now £139.00 Was £199.00 Save £60.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10yr.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-springs.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    Next Day Delivery

    From only £5.44pm

  6. 56 Day
    Relaxsan Moon Firm Mattress
    Rating:
    91%
    Relaxsan Moon Firm Mattress
    Now £239.00 Was £299.00 Save £60.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/8yr.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-springs.png
    • https://www.mynextmattress.co.uk/media/option_images/extra-firm.png
    56 Day Dispatch

    From only £9.35pm

  7. 14 Day
    Emma One mattress - buy online today
    Emma One Mattress
    Now £295.00 Was £399.00 Save £104.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-springs.png
    • https://www.mynextmattress.co.uk/media/option_images/200.png
    14 Day Dispatch

    From only £11.54pm

  8. 35 Day
    Uno Pocket 1000
    Rating:
    100%
    Uno Memory Pocket 1000 Mattress
    Now £279.00 Was £569.00 Save £290.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/5yr_1.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/ps.png
    35 Day Dispatch

    From only £10.92pm

  9. 7 Day
    Nicheli Arctic Ortho 1950 Mattress
    Rating:
    100%
    Nicheli Arctic Ortho 1950 Mattress
    Now £749.00 Was £949.00 Save £200.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/ps.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    7 Day Dispatch

    From only £29.30pm

  10. 7 Day
    Hybrid Mattress
    Rating:
    100%
    Octaspring Hybrid Mattress
    Now £929.00 Was £1,599.00 Save £670.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/20yr.png
    • https://www.mynextmattress.co.uk/media/option_images/ps.png
    • https://www.mynextmattress.co.uk/media/option_images/foam.png
    • https://www.mynextmattress.co.uk/media/option_images/best-selling-mattress.png
    7 Day Dispatch

    From only £36.35pm

  11. Next Day
    Emma Original Mattress - Buy online at MyNextMattress
    Rating:
    94%
    Emma Original Mattress
    Now £446.00 Was £849.00 Save £403.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-turn.png
    • https://www.mynextmattress.co.uk/media/option_images/200.png
    Next Day Delivery

    From only £17.45pm

  12. 56 Day
    Relaxsan Vision Mattress
    Rating:
    97%
    Relaxsan Vision Mattress
    Now £399.00 Was £449.00 Save £50.00
    • Firmness
    • Soft
    • Medium
    • Firm
    • Super Soft
    • Soft
    • Medium Soft
    • Medium
    • Medium Firm
    • Firm
    • Extra Firm
    • https://www.mynextmattress.co.uk/media/option_images/10-year.png
    • https://www.mynextmattress.co.uk/media/option_images/mf.png
    • https://www.mynextmattress.co.uk/media/option_images/no-springs.png
    • https://www.mynextmattress.co.uk/media/option_images/turn.png
    56 Day Dispatch

    From only £15.61pm

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Learn More About Our King Size Memory Foam Mattresses

Learn More About Our King Size Memory Foam Mattresses

In the king size memory foam mattress range, we have an amazing variety of soft, medium-firm and firm mattresses, so can find the right comfort level to fit your individual needs. So, whether you require greater support due to aching joints and muscles or you are looking for a more comfortable mattress, we have the perfect mattress to meet your demands. The memory foam king size mattress collection consists of all of the most well-regarded bed brands from Uno to Sleep Shaper and Shire Beds to Birlea beds, so high quality and performance is guaranteed with our mattresses. Browse our king size memory foam mattresses now to find your next mattress or contact us today to find out further information about our memory foam king mattresses.

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Trusted by over 4800 customers

Fantastic service!

Chetan Patel

Verfied Buyer

Great service from start to finish. We had worried about buying a mattress online, but we should not have. Service was excellent and we saved a small fortune!

Very good service!

Fiona Harris

Verfied Buyer

Im a very happy customer! Very happy with the product, the price and the service. A special thank you to the delivery men who took a very heavy mattress to the room!

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