Deeper Sleeper Sale
Up to 50% off
Ends in… 0dd 00hh 00mm 00ss
NOW ON

Extra Firm King Size Mattresses

Showing 13 to 24 of 35 Products
FILTER

Filter By

Filter By

Vispring Herald Superb King Size Mattress

VISPRING Herald Superb King Size Mattress

£3,331Save £1,184RRP £4,515Was £3,869
From £90.41 per month
  • Natural Fibre Filling
  • 1476 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Airsprung Posture Support King Size Mattress

AIRSPRUNG Posture Support King Size Mattress

Review Stars
4.5/5
(2 Reviews)
£289Save £140RRP £429Was £329
From £96.34 per month
From £7.26 per month
  • 1 Year Guarantee
Extra Firm
FREE Delivery in 3 to 5 Days
Lewis & Jones Lythe King Size Mattress

LEWIS & JONES Lythe King Size Mattress

£1,049Save £650RRP £1,699Was £1,169
From £349.67 per month
From £26.35 per month
  • Natural Fibre Filling
  • 2000 Pocket Spring
  • 5 Year Guarantee
  • Free Pillow Pair - RRP £69
Medium Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 7 to 10 Days
Vispring Bedstead Traditional King Size Mattress

VISPRING Bedstead Traditional King Size Mattress

Review Stars
4.3/5
(3 Reviews)
£1,748Save £612RRP £2,360Was £2,029
From £582.67 per month
From £47.45 per month
  • Natural Fibre Filling
  • 1254 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Hypnos Orthocare Classic King Size Mattress

HYPNOS Orthocare Classic King Size Mattress

£949Save £250RRP £1,199Was £1,059
From £316.34 per month
From £23.84 per month
  • Natural Fibre Filling
  • ReActive 6 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Hypnos Orthocare Support King Size Mattress

HYPNOS Orthocare Support King Size Mattress

£1,079Save £280RRP £1,359Was £1,199
From £359.67 per month
From £27.10 per month
  • Natural Fibre Filling
  • ReActive 7 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Hypnos Orthocare Superior King Size Mattress

HYPNOS Orthocare Superior King Size Mattress

£1,299Save £350RRP £1,649Was £1,449
From £433.00 per month
From £32.63 per month
  • Natural Fibre Filling
  • ReActive 8 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Vispring Bedstead Realm King Size Mattress

VISPRING Bedstead Realm King Size Mattress

Review Stars
5/5
(1 Reviews)
£2,359Save £826RRP £3,185Was £2,739
From £64.03 per month
  • Natural Fibre Filling
  • 1326 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Vispring Devonshire King Size Mattress

VISPRING Devonshire King Size Mattress

Review Stars
5/5
(3 Reviews)
£2,748Save £967RRP £3,715Was £3,189
From £74.58 per month
  • Natural Fibre Filling
  • 1326 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Healthbeds Ultra Ortho King Size Mattress

HEALTHBEDS Ultra Ortho King Size Mattress

£659Save £130RRP £789Was £729
From £219.67 per month
From £16.55 per month
  • 5 Year Warranty
Extra Firm
Removal and Recycle Available
FREE Delivery in 3 to 4 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Cool Refresh 1600 King Size Mattress

SLEEPEEZEE Cool Refresh 1600 King Size Mattress

£699Save £280RRP £979Was £839
From £233.0 per month
From £18.81 per month
  • Gel Foam Filling
  • 1600 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 14 Days
Vispring Bedstead Supreme King Size Mattress

VISPRING Bedstead Supreme King Size Mattress

Review Stars
5/5
(2 Reviews)
£3,516Save £1,244RRP £4,760Was £4,079
From £95.43 per month
  • Natural Fibre Filling
  • 1476 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Show more
Showing 13 to 24 of 35 Products

Get in the know with our buying guides

View all