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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  1. Milan King Size Mattress Mattress firmness

    Milan King Size Mattress

    £119.99
    RRP: £179.99 | Save £60.00 (33%)
    FREE bookable delivery
    • Totally hypoallergenic fillings
    • 9 gauge frame
    • King size mattress
    Made in the UK
  2. Sareer Economical King Size Mattress Mattress firmness

    Sareer Economical King Size Mattress

    £129.99
    RRP: £169.99 | Save £40.00 (23%)
    • Open coil spring unit
    • Quilted panel and border
    • Removable washable cover
  3. Cosy Plus King Size Mattress Mattress firmness

    Cosy Plus King Size Mattress

    £149.99
    RRP: £229.99 | Save £80.00 (34%)
    Next Day Delivery Available
    • Medium gauge spring unit with rod edge frame
    • Hypoallergenic fillings
    • No turn mattress
    Made in the UK
  4. Sareer Value Memory Foam King Size Mattress Mattress firmness

    Sareer Value Memory Foam King Size Mattress

    £149.99
    RRP: £219.99 | Save £70.00 (31%)
    • 12.5mm memory foam
    • Hypo-allergenic
    • Reflex foam
    Made in the UK
  5. Sareer Orthopaedic King Size Mattress Mattress firmness

    Sareer Orthopaedic King Size Mattress

    £149.99
    RRP: £219.99 | Save £70.00 (31%)
    • Open coil spring unit
    • Quilted panel and border
    • Damask fabric cover
    Best Seller
  6. Sareer Pocket Sprung King Size Mattress Mattress firmness

    Sareer Pocket Sprung King Size Mattress

    £149.99
    RRP: £289.99 | Save £140.00 (48%)
    • Pocket spring unit
    • Damask fabric cover
    • Tufted
  7. Reflex Plus Coil King Size Mattress Mattress firmness

    Reflex Plus Coil King Size Mattress

    £149.99
    RRP: £199.99 | Save £50.00 (25%)
    • Open coil spring unit
    • 1 inch reflex foam
    • Tufted
  8. Celina King Size Mattress Mattress firmness

    Celina King Size Mattress

    £149.99
    RRP: £249.99 | Save £100.00 (40%)
    FREE bookable delivery
    • Totally hypo-allergenic fillings
    • Quality damask fabric
    • King size mattress
    Made in the UK
  9. 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
  10. Sareer Orthopaedic Memory King Size Mattress Mattress firmness

    Sareer Orthopaedic Memory King Size Mattress

    £159.99
    RRP: £229.99 | Save £70.00 (30%)
    • 12mm memory foam
    • Open coil spring unit
    • Back support
    Best Seller Made in the UK
  11. Sareer Memory Coil King Size Mattress Mattress firmness

    Sareer Memory Coil King Size Mattress

    £159.99
    RRP: £239.99 | Save £80.00 (33%)
    • Open coil spring unit
    • 12mm Memory foam
    • Damask stretch fabric cover
    Best Seller
  12. Reflex Plus King Size Mattress Mattress firmness

    Reflex Plus King Size Mattress

    £159.99
    RRP: £219.99 | Save £60.00 (27%)
    • 5 inch reflex foam
    • Reflex fabric
    • Removable washable cover
  13. Oxford King Size Mattress Mattress firmness

    Oxford King Size Mattress

    £169.99
    RRP: £269.99 | Save £100.00 (37%)
    Next Day Delivery Available
    • 12.5g Orthopaedic unit
    • 6 Gauge frame
    • No turn mattress
    Best Seller Made in the UK
  14. Sareer Memory Foam King Size Mattress Mattress firmness

    Sareer Memory Foam King Size Mattress

    £169.99
    RRP: £249.99 | Save £80.00 (32%)
    • 5 inch reflex foam
    • 1 inch memory foam
    • Removable washable cover
    Best Seller
  15. Wise Choice Valencia King Size Mattress Mattress firmness

    Wise Choice Valencia King Size Mattress

    £179.99
    RRP: £249.99 | Save £70.00 (28%)
    • 13.5 gauge spring system
    • Rod edge
    • Hand tufted
    Made in the UK
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