L
Close
Clear

Trending searches

Speak to a bed expert:
01928 242829
Free UK Delivery Rated Excellent UK's Leading Independent Bed Retailer Pay by Finance Buy Now, Pay Later
Price Drop Sale
Up to 50% off
Ends in… 00dd 00hh 00mm 00ss
NOW ON

Sealy King Size Mattresses

Showing 13 to 24 of 30 Products
FILTER

Filter By

Filter By

View Products (30)
Mattress-Trial-100-Nights-sized
Sealy Helmsley King Size Mattress

SEALY Helmsley King Size Mattress

Review Stars
5/5
(4 Reviews)
£979Save £490RRP £1,469Was £1,089
From £326.34 per month
From £24.59 per month
  • Gel Foam Filling
  • 1000 Pocket Spring
  • 5 Year Guarantee
Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Middleton King Size Mattress

SEALY Middleton King Size Mattress

Review Stars
5/5
(6 Reviews)
£579Save £280RRP £859Was £649
From £193.00 per month
From £14.54 per month
  • Natural Fibre Filling
  • 5 Year Guarantee
Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Dreamworld Ortho Plus Memory King Size Mattress

SEALY Dreamworld Ortho Plus Memory King Size Mattress

Review Stars
5/5
(3 Reviews)
£569Save £280RRP £849Was £629
From £189.67 per month
From £14.29 per month
  • Memory Foam Filling
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 4 Weeks
GHK-2024
Sealy Webber King Size Mattress

SEALY Webber King Size Mattress

£1,599Save £620RRP £2,219Was £1,779
From £533.00 per month
From £40.17 per month
  • Memory Foam Filling
  • Foam
  • 7 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 4 Weeks
GHK-2024
Sealy Arden King Size Mattress

SEALY Arden King Size Mattress

£1,799Save £720RRP £2,519Was £1,999
From £599.67 per month
From £45.19 per month
  • Memory Foam Filling
  • Foam
  • 7 Year Guarantee
Soft Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Fleetwith King Size Mattress

SEALY Fleetwith King Size Mattress

Review Stars
5/5
(3 Reviews)
£499Save £280RRP £779Was £559
From £166.34 per month
From £12.53 per month
  • 5 Year Guarantee
Extra Firm
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Birkby King Size Mattress

SEALY Birkby King Size Mattress

Review Stars
5/5
(1 Reviews)
£669Save £320RRP £989Was £749
From £223.00 per month
From £16.81 per month
  • Memory Foam Filling
  • 5 Year Guarantee
Medium Firm
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Grandwood King Size Mattress

SEALY Grandwood King Size Mattress

£729Save £350RRP £1,079Was £799
From £243.00 per month
From £18.31 per month
  • Latex Filling
  • 5 Year Guarantee
Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Lexington King Size Mattress

SEALY Lexington King Size Mattress

£779Save £380RRP £1,159Was £869
From £259.67 per month
From £19.57 per month
  • Gel Foam Filling
  • 5 Year Guarantee
Soft Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Waterford King Size Mattress

SEALY Waterford King Size Mattress

£869Save £420RRP £1,289Was £969
From £289.67 per month
From £21.83 per month
  • Gel Foam Filling
  • 1000 Pocket Spring
  • 5 Year Guarantee
Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Mattress-Trial-100-Nights-sized
Sealy Addison King Size Mattress

SEALY Addison King Size Mattress

£989Save £480RRP £1,469Was £1,099
From £329.67 per month
From £24.84 per month
  • Gel Foam Filling
  • 1000 Pocket Spring
  • 5 Year Guarantee
Soft Medium
Removal and Recycle Available
FREE Delivery within 4 Weeks
Posturepedic
Sealy Blackwood King Size Mattress

SEALY Blackwood King Size Mattress

Review Stars
5/5
(3 Reviews)
£1,199Save £450RRP £1,649Was £1,299
From £399.67 per month
From £30.12 per month
  • Foam
  • 7 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery within 4 Weeks
Show more
Showing 13 to 24 of 30 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