Clear
Close

Trending searches

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

Medium Firm King Size Mattresses

Showing 13 to 24 of 69 Products
Filter

Filter By

Filter By

View Products (69)
Good-Housekeeping-24
Simba Hybrid Luxe King Size Mattress

Simba Hybrid Luxe King Size Mattress

Simba
Review Stars
4.4/5
(10 Reviews)
£1,329
Save £470
RRP £1,799
From
£42.56
per month
Medium Firm
  • Memory Foam Filling
  • 5800 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 3 Days
Good-Housekeeping-24
Simba Hybrid Ultra King Size Mattress

Simba Hybrid Ultra King Size Mattress

Simba
£1,879
Save £620
RRP £2,499
From
£60.17
per month
Medium Firm
  • Memory Foam Filling
  • 7300 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 14 Days
Double-Mattresses-August-2022-Sized
Nectar Memory Foam King Size Mattress

Nectar Memory Foam King Size Mattress

Nectar
Review Stars
5/5
(3 Reviews)
£489
Save £170
RRP £659
From
£15.98
per month
Medium Firm
  • Memory Foam Filling
  • 10 Year Guarantee
FREE Delivery in 14 Days
Mattress-Trial-60-Nights-sized
Viva Eco Hybrid King Size Mattress

Viva Eco Hybrid King Size Mattress

Viva
Review Stars
4.7/5
(3 Reviews)
£899
Save £290
RRP £1,189
Was £999
From
£28.79
per month
Medium Firm
  • Memory Foam Filling
  • 1697 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 2 to 3 Weeks
Hypnos Sahara Deluxe King Size Mattress

Hypnos Sahara Deluxe King Size Mattress

Hypnos
Review Stars
5/5
(4 Reviews)
£1,499
Save £700
RRP £2,199
Was £1,689
From
£48.00
per month
Medium
Medium Firm
  • Natural Fibre Filling
  • ReActivePro 7 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 6 to 7 Weeks
Hypnos Mirage Comfort King Size Mattress

Hypnos Mirage Comfort King Size Mattress

Hypnos
Review Stars
5/5
(2 Reviews)
£1,699
Save £750
RRP £2,449
Was £1,899
From
£54.41
per month
Medium
Medium Firm
  • Natural Fibre Filling
  • ReActivePro 7 Pocket Spring
  • 10 Year Guarantee
FREE Delivery in 6 to 7 Weeks
Awards-Great-Value
Mattress-Trial-100-Nights-sized
Sealy Hambleton King Size Mattress

Sealy Hambleton King Size Mattress

Sealy
Review Stars
4.9/5
(7 Reviews)
£529
Save £460
RRP £989
Was £769
From
£20.14
per month
Medium Firm
  • Memory Foam Filling
  • 5 Year Guarantee
FREE Delivery in 14 Days
mattress-trial-40-nights
Tempur Pro SmartCool Medium Firm King Size Mattress

Tempur Pro SmartCool Medium Firm King Size Mattress

Tempur
Review Stars
5/5
(2 Reviews)
£1,899
Save £1,550
RRP £3,449
Was £2,789
From
£66.25
per month
Medium Firm
  • Memory Foam Filling
  • 10 Year Guarantee
FREE Delivery in 3 to 4 Weeks
mattress-trial-40-nights
Tempur Pro Plus SmartCool Medium Firm King Size Mattress

Tempur Pro Plus SmartCool Medium Firm King Size Mattress

Tempur
Review Stars
5/5
(2 Reviews)
£2,199
Save £1,850
RRP £4,049
Was £3,299
From
£78.42
per month
Medium Firm
  • Memory Foam Filling
  • 10 Year Guarantee
FREE Delivery in 3 to 4 Weeks
mattress-trial-40-nights
Tempur Pro Luxe SmartCool Medium Firm King Size Mattress

Tempur Pro Luxe SmartCool Medium Firm King Size Mattress

Tempur
£2,699
Save £2,250
RRP £4,949
Was £4,049
From
£95.07
per month
Medium Firm
  • Memory Foam Filling
  • 10 Year Guarantee
FREE Delivery in 4 to 5 Weeks
Awards-Eco-Choice
Silentnight Just Breathe King Size Mattress

Silentnight Just Breathe King Size Mattress

Silentnight
£449
Save £190
RRP £639
Was £559
From
£15.98
per month
Medium Firm
  • 1000 Pocket Spring
  • 10 Year Warranty
FREE Delivery in 2 to 3 Weeks
Silentnight Idina King Size Mattress

Silentnight Idina King Size Mattress

Silentnight
Review Stars
5/5
(1 Reviews)
£620
Save £429
RRP £1,049
Was £939
From
£22.06
per month
Medium Firm
  • Memory Foam Filling
  • 1000 Pocket Spring
  • 5 Year Guarantee
FREE Delivery in 2 to 3 Weeks
Show more
Showing 13 to 24 of 69 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