L
Close
Clear

Trending searches

Speak to a bed expert:
01928 242829
Back
Free UK Delivery Rated Excellent UK's Leading Independent Bed Retailer Pay by Finance Buy Now, Pay Later
Early Bird Black Friday Sale
Up to 50% Off
Ends in… 00dd 00hh 00mm 00ss

Medium Firm King Size Mattresses

Showing 1 to 12 of 95 Products
FILTER

Filter By

Filter By

View Products (95)
Good-Housekeeping-24
Simba Hybrid Pro King Size Mattress
Guaranteed Xmas Delivery

SIMBA Hybrid Pro King Size Mattress

5/5
(5 Reviews)
£999Save £800RRP £1,799Was £1,479
From £333.0 per month
From £33.38 per month
  • Memory Foam Filling
  • 4800 Pocket Spring
  • 10 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery in 5 Days
Awards-Best-Seller
Good-Housekeeping-Getting-Greener
Silentnight Amelia King Size Mattress
Guaranteed Xmas Delivery

SILENTNIGHT Amelia King Size Mattress

4.8/5
(72 Reviews)
£599Save £210RRP £809Was £669
From £199.67 per month
From £15.05 per month
  • Eco Fibre Filling
  • 1216 Mirapocket Springs
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery in 14 Days
Good-Housekeeping-24
Simba Hybrid Original King Size Mattress
Guaranteed Xmas Delivery

SIMBA Hybrid Original King Size Mattress

4.7/5
(7 Reviews)
£749Save £500RRP £1,249Was £1,099
From £249.67 per month
From £25.09 per month
  • Memory Foam Filling
  • 1900 Pocket Spring
  • 10 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery in 5 Days
Mattress-Trial-60-Nights-sized
Dormeo Octasmart Premium Classic King Size Mattress
Guaranteed Xmas Delivery

DORMEO Octasmart Premium Classic King Size Mattress

4.9/5
(25 Reviews)
£467Save £312RRP £779Was £559
From £155.67 per month
From £13.04 per month
  • Foam Filling
  • Octaspring
  • 18 Year Warranty
Medium Firm
FREE Delivery in 10 to 14 Days
Silentnight Clarita Geltex Ultra 3000 King Size Mattress
Guaranteed Xmas Delivery

SILENTNIGHT Clarita Geltex Ultra 3000 King Size Mattress

5/5
(8 Reviews)
£1,199Save £440RRP £1,639Was £1,339
From £399.67 per month
From £30.12 per month
  • Gel Filling
  • 3045 Mirapocket Springs
  • 5 Year Guarantee
Soft Medium
Medium Firm
Removal and Recycle Available
FREE Delivery in 14 Days
Most-Comfortable-sized
Sleepeezee Ortho Elite King Size Mattress
Guaranteed Xmas Delivery

SLEEPEEZEE Ortho Elite King Size Mattress

4.9/5
(39 Reviews)
£539Save £140RRP £679Was £649
From £179.67 per month
From £15.05 per month
  • Memory Foam Filling
  • 1200 Pocket Spring
  • 10 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 3 Weeks
Awards-Best-Seller
Healthbeds Elworth Latex 1400 King Size Mattress
Guaranteed Xmas Delivery

HEALTHBEDS Elworth Latex 1400 King Size Mattress

4.8/5
(5 Reviews)
£729Save £310RRP £1,039Was £799
From £243.00 per month
From £18.31 per month
  • Latex Filling
  • 1400 Pocket Spring
  • 5 Year Warranty
Medium Firm
Removal and Recycle Available
FREE Delivery in 3 to 4 Weeks
Mattress-Trial-60-Nights-sized
Viva Eco Hybrid King Size Mattress
Guaranteed Xmas Delivery

VIVA Eco Hybrid King Size Mattress

4.5/5
(2 Reviews)
£879Save £260RRP £1,139Was £979
From £293.00 per month
From £22.08 per month
  • Memory Foam Filling
  • 1697 Pocket Spring
  • 10 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 3 Weeks
Hypnos Cambridge Deluxe King Size Mattress

HYPNOS Cambridge Deluxe King Size Mattress

4.8/5
(6 Reviews)
£959Save £280RRP £1,239Was £1,069
From £319.67 per month
From £24.09 per month
  • Natural Filling
  • ReActive 7 Pocket Spring
  • 10 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery in 8 to 9 Weeks
Mattress-Trial-100-Nights-sized
Sealy Memory Deluxe Ortho King Size Mattress

SEALY Memory Deluxe Ortho King Size Mattress

5/5
(1 Reviews)
£773Save £306RRP £1,079Was £959
From £257.67 per month
From £21.58 per month
  • Memory Foam Filling
  • PostureTech™ Core Support Spring
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 7 Weeks
Mattress-Trial-100-Nights-sized
Sealy Richfield King Size Mattress

SEALY Richfield King Size Mattress

5/5
(1 Reviews)
£971Save £488RRP £1,459Was £1,199
From £323.67 per month
From £27.10 per month
  • Memory Foam Filling
  • 1800 Pocket Spring
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 7 Weeks
Mattress-Trial-100-Nights-sized
Sealy Knightsbridge King Size Mattress

SEALY Knightsbridge King Size Mattress

5/5
(1 Reviews)
£1,142Save £597RRP £1,739Was £1,399
From £380.67 per month
From £31.88 per month
  • Memory Foam Filling
  • 2400 Pocket Spring
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 7 Weeks
Show more
Showing 1 to 12 of 95 Products

Get in the know with our buying guides

View all
Happy woman sat on bed
How to Choose the Right Mattress
Find the right mattress for your needs with our ultimate guide
Person putting on mattress protector
Ultimate Guide to the Best Mattress Protector
Choosing the right mattress protector for your bed
Man sleeping in facemask
Choosing the Right Pillow for You
Ensure you have the right pillow to enhance your sleep
Boy sitting under a duvet
Ultimate Guide to Picking the Best Duvet
Don't feel overwhelmed, let us help you choose