Clear
Close

Trending searches

Speak to a bed expert:
01928 242829
Sale banner Sales banner image
Ends in… 0ddays 00hhours 00mmins 00ssecs

Medium King Size Mattresses

Showing 37 to 48 of 162 Products
Filter

Filter By

Filter By

View Products (162)
Awards-Best-Seller
Relyon Athena King Size Mattress

Relyon Athena King Size Mattress

Relyon
Review Stars
4.7/5
(3 Reviews)
£1,179
Save £720
RRP £1,899
Was £1,299
From
£41.60
per month
Medium
  • Natural Fibre Filling
  • 1400 Pocket Spring
  • 15 Year Guarantee
FREE Delivery in 5 to 6 Weeks
Relyon Huxley Memory King Size Mattress

Relyon Huxley Memory King Size Mattress

Relyon
Review Stars
5/5
(1 Reviews)
£1,299
Save £790
RRP £2,089
Was £1,399
From
£44.80
per month
Medium
  • Natural Fibre Filling
  • 5500 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 5 to 6 Weeks
Awards-Top-Seller
ghi-award
Nectar Premier Hybrid King Size Mattress

Nectar Premier Hybrid King Size Mattress

Nectar
Review Stars
3.3/5
(4 Reviews)
£869
From
£27.83
per month
Medium
  • Memory Foam Filling
  • 832 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Millbrook Inspire Legacy King Size Mattress

Millbrook Inspire Legacy King Size Mattress

Millbrook
£899
Save £640
RRP £1,539
From
£28.79
per month
Medium
Firm
  • Natural Fibre Filling
  • 1030 Pocket Spring
  • 10 Year Warranty
FREE Delivery in 3 to 5 Days
Millbrook Alina Comfort King Size Mattress

Millbrook Alina Comfort King Size Mattress

Millbrook
£949
Save £650
RRP £1,599
From
£30.39
per month
Soft
Medium
Firm
  • Natural Fibre Filling
  • 1000 Pocket Spring
  • 10 Year Warranty
FREE Delivery within 4 Weeks
Hypnos Mirage Comfort King Size Mattress

Hypnos Mirage Comfort King Size Mattress

Hypnos
Review Stars
5/5
(4 Reviews)
£1,499
Save £950
RRP £2,449
Was £1,699
From
£54.41
per month
Medium
Medium Firm
  • Natural Fibre Filling
  • ReActivePro 7 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 4 to 5 Weeks
GHI-2025-Sized
Hypnos Legacy III King Size Mattress

Hypnos Legacy III King Size Mattress

Hypnos
Review Stars
5/5
(2 Reviews)
£1,969
Save £1,130
RRP £3,099
Was £2,189
From
£70.10
per month
Medium
Firm
Extra Firm
  • Natural Fibre Filling
  • ReActivePro 8 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 4 to 5 Weeks
Awards-Special-Buy
NBF Awards_Bed Manufacturer_Winner_F_D
Harrison Spinks Loop Original King Size Mattress

Harrison Spinks Loop Original King Size Mattress

Harrison Spinks
Review Stars
5/5
(6 Reviews)
£1,049
Save £320
RRP £1,369
From
£33.59
per month
Medium
Firm
  • 3250 Pocket Spring
  • 10 Year Warranty
FREE Delivery in 5 to 7 Weeks
Mattress-Trial-200-Nights-sized
Emma Original Foam King Size Mattress

Emma Original Foam King Size Mattress

Emma
Review Stars
4.9/5
(15 Reviews)
£539
Save £20
Was £559
From
£17.90
per month
Medium
  • Memory Foam Filling
  • Foam
  • 10 Year Guarantee
FREE Delivery in 10 Days
Mattress-Trial-200-Nights-sized
Emma Original Pro King Size Mattress

Emma Original Pro King Size Mattress

Emma
Review Stars
4.7/5
(13 Reviews)
£549
Save £250
RRP £799
Was £699
From
£22.38
per month
Medium
  • Memory Foam Filling
  • Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 10 Days
Emma Smart Hybrid Deluxe King Size Mattress

Emma Smart Hybrid Deluxe King Size Mattress

Emma
Review Stars
5/5
(3 Reviews)
£699
Save £550
RRP £1,249
Was £789
From
£25.27
per month
Medium
  • Memory Foam Filling
  • Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 10 Days
Sleepeezee Memory 3000 King Size Mattress

Sleepeezee Memory 3000 King Size Mattress

Sleepeezee
Review Stars
5/5
(1 Reviews)
£739
Save £350
RRP £1,089
Was £799
From
£25.59
per month
Medium
  • Memory Foam Filling
  • 3000 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 14 Days
Show more
Showing 37 to 48 of 162 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