Cheap King Size Mattresses (5’)

At 150cm wide by 200cm long king size mattresses are designed to fit on UK standard king size bed frames. Here at BedzRus we have a wide range of cheap king size mattresses available, including standard sprung, luxury pocket sprung and memory foam mattresses. We have grouped all our mattresses into firmness categories for your convenience. Our range of king size mattresses include leading brands such as Sweet Dreams, Vogue Beds, Breasley and many more, all at very competitive prices which can assure great value. With our free pre-bookable delivery service, you can be assured of a speedy delivery time of your new mattress.
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With a Feefo overall customer service rating of 4.8 out of 5 based on 650 user reviews the past year. You can be assured of great value products, free delivery and fantastic customer support!.

  1. Luxury King Size Mattress Mattress firmness

    Luxury King Size Mattress

    £129.99
    RRP: £219.99 | Save £90.00 (41%)
    Next Day Delivery Available
    • Layer of High Density Base Foam
    • Layer of Memory Foam
    • Anti-bacterial
    Made in the UK
  2. Sareer Orthopaedic King Size Mattress Mattress firmness

    Sareer Orthopaedic King Size Mattress

    £129.99
    RRP: £179.99 | Save £50.00 (27%)
    Next Day Delivery Available
    • Open coil spring unit
    • Quilted panel and border
    • Damask fabric cover
  3. Sareer Orthopaedic Memory King Size Mattress Mattress firmness

    Sareer Orthopaedic Memory King Size Mattress

    £139.99
    RRP: £199.99 | Save £60.00 (30%)
    Next Day Delivery Available
    • 12mm memory foam
    • Open coil spring unit
    • Back support
    Best Seller Made in the UK
  4. Orthorest King Size Mattress Mattress firmness

    Orthorest King Size Mattress

    £149.99
    RRP: £219.99 | Save £70.00 (31%)
    FREE bookable delivery
    • Totally hypoallergenic fillings
    • Deep quilted mattress
    • King size mattress
    Made in the UK
  5. Reflex Plus Coil King Size Mattress Mattress firmness

    Reflex Plus Coil King Size Mattress

    £149.99
    RRP: £199.99 | Save £50.00 (25%)
    Next Day Delivery Available
    • Open coil spring unit
    • 1 inch reflex foam
    • Tufted
  6. Sussex King Size Mattress Mattress firmness

    Sussex King Size Mattress

    £159.99
    RRP: £235.99 | Save £76.00 (32%)
    Next Day Delivery Available
    • Luxury fillings
    • Hand tufted for even support
    • King size mattress
    Made in the UK
  7. Oxford King Size Mattress Mattress firmness

    Oxford King Size Mattress

    £159.99
    RRP: £269.99 | Save £110.00 (40%)
    Next Day Delivery Available
    • 12.5g Orthopaedic unit
    • 6 Gauge frame
    • No turn mattress
    Made in the UK
  8. Gel Relax Open Coil King Size Mattress Mattress firmness

    Gel Relax Open Coil King Size Mattress

    £179.99
    RRP: £269.99 | Save £90.00 (33%)
    Next Day Delivery Available
    • Open coil mattress
    • Gel Feel Foam
    • Quilted mattress border
  9. Derby King Size Mattress Mattress firmness

    Derby King Size Mattress

    £189.99
    RRP: £289.99 | Save £100.00 (34%)
    • 12.5g Active support bonnell unit
    • Rod edge
    • Quality damask
    Made in the UK
  10. Neptune Luxury King Size Mattress Mattress firmness

    Neptune Luxury King Size Mattress

    £194.99
    RRP: £299.99 | Save £105.00 (35%)
    Next Day Delivery Available
    • 50mm Layer of Memory Foam
    • 150mm Layer of Memory Foam
    • Hypoallergenic
    Best Seller Made in the UK
  11. Sleepwalk Trizone Gold King Size Mattress Mattress firmness

    Sleepwalk Trizone Gold King Size Mattress

    £199.99
    RRP: £299.99 | Save £100.00 (33%)
    Next Day Delivery Available
    • Trizone (3 phase support) spring unit
    • Soft white polyester fillings
    • No turn mattress
    Made in the UK
  12. Pluto King Size Mattress Mattress firmness

    Pluto King Size Mattress

    £199.99
    RRP: £319.99 | Save £120.00 (37%)
    Next Day Delivery Available
    • 150mm of Reflex Foam
    • 70mm of Memory Foam
    • Hypoallergenic
    Made in the UK
  13. Cambridgeshire King Size Mattress Mattress firmness

    Cambridgeshire King Size Mattress

    £199.99
    RRP: £314.99 | Save £115.00 (36%)
    Next Day Delivery Available
    • High loft 12" mattress
    • Hand tufted for even support
    • High quality Belgian damask
    Made in the UK
  14. Ashleigh King Size Mattress Mattress firmness

    Ashleigh King Size Mattress

    £199.99
    RRP: £249.99 | Save £50.00 (20%)
    • Hand tufted damask
    • 12.5 gauge springs
    • Medium-firm feel
    Made in the UK
  15. Visco Bonnell King Size Mattress Mattress firmness

    Visco Bonnell King Size Mattress

    £199.99
    RRP: £342.99 | Save £143.00 (41%)
    Next Day Delivery Available
    • 2" V60 memory foam
    • Soft fabric
    • King size mattress
    Made in the UK
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