Price Drop Sale
Up to 50% Off
Ends in… 3dd 14hh 40mm 53ss

Extra Firm King Size Mattresses

Showing 25 to 36 of 45 Products
FILTER

Filter By

Filter By

Hypnos Orthocare Classic King Size Mattress

HYPNOS Orthocare Classic King Size Mattress

£799Save £400RRP £1,199Was £929
From £266.34 per month
From £22.08 per month
  • Natural Filling
  • ReActive 6 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery within 5 Weeks
Hypnos Orthocare Support King Size Mattress

HYPNOS Orthocare Support King Size Mattress

£949Save £410RRP £1,359Was £1,099
From £316.34 per month
From £26.35 per month
  • Natural Filling
  • ReActive 7 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery within 5 Weeks
Hypnos Orthocare Superior King Size Mattress

HYPNOS Orthocare Superior King Size Mattress

£1,149Save £500RRP £1,649Was £1,319
From £383.0 per month
From £31.88 per month
  • Natural Filling
  • ReActive 8 Pocket Spring
  • 10 Year Guarantee
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery within 5 Weeks
Mattress-Trial-100-Nights-sized
Sealy Fleetwith King Size Mattress

SEALY Fleetwith King Size Mattress

5.0/5
(3 reviews)
£474Save £305RRP £779Was £559
From £158.0 per month
From £12.53 per month
  • PostureTech™ Core Support Spring
  • 5 Year Guarantee
Extra Firm
Removal and Recycle Available
FREE Delivery in 3 to 4 Weeks
Healthbeds Ultra Ortho King Size Mattress

HEALTHBEDS Ultra Ortho King Size Mattress

£599Save £190RRP £789Was £669
From £199.67 per month
From £15.05 per month
  • Traditional Spring
  • 5 Year Warranty
Extra Firm
Removal and Recycle Available
FREE Delivery in 3 to 4 Weeks
Awards-Clearance
Silentnight King Size - CLEARANCE STOCK - Cirrus King Size Mattress

SILENTNIGHT King Size - CLEARANCE STOCK - Cirrus King Size Mattress

£429Save £200RRP £629Was £559
From £143.00 per month
From £10.78 per month
  • Eco Fibre Filling
  • Miracoil Springs
  • 5 Year Guarantee
Extra Firm
Removal and Recycle Available
FREE Delivery in 7 Days
Mattress-Trial-60-Nights-sized
Sleepeezee Backcare Ultrafirm 1600 King Size Mattress

SLEEPEEZEE Backcare Ultrafirm 1600 King Size Mattress

4.9/5
(7 reviews)
£599Save £300RRP £899Was £749
From £199.67 per month
From £17.56 per month
  • 1600 Pocket Spring
  • 10 Year Guarantee
Extra Firm
Removal and Recycle Available
FREE Delivery within 3 Weeks
Vispring Bedstead Supreme King Size Mattress

VISPRING Bedstead Supreme King Size Mattress

5.0/5
(1 reviews)
£3,459Save £866RRP £4,325Was £3,719
From £86.89 per month
  • Natural Filling
  • 1476 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Vispring Bedstead Imperial King Size Mattress

VISPRING Bedstead Imperial King Size Mattress

5.0/5
(1 reviews)
£4,269Save £1,071RRP £5,340Was £4,589
From £107.24 per month
  • Natural Filling
  • 1720 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Vispring Regal Superb King Size Mattress

VISPRING Regal Superb King Size Mattress

£5,439Save £1,361RRP £6,800Was £5,849
From £136.63 per month
  • Natural Filling
  • 1720 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Vispring Bedstead Shetland King Size Mattress

VISPRING Bedstead Shetland King Size Mattress

£5,749Save £1,441RRP £7,190Was £6,179
From £144.41 per month
  • Natural Filling
  • 1720 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Vispring Shetland King Size Mattress

VISPRING Shetland King Size Mattress

£5,839Save £1,461RRP £7,300Was £6,249
From £146.68 per month
  • Natural Filling
  • 1720 Pocket Spring
  • 30 Year Guarantee
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 4 to 5 Weeks
Show more
Showing 25 to 36 of 45 Products

Get in the know with our buying guides