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Firm King Size Mattresses

Showing 37 to 48 of 149 Products
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Mattresses
Divan Beds
Hotel Beds
Hotel Mattresses
Mattress Toppers

Sizes

Small Single
2ft 6in x 6ft 3in / 75 x 190cm
Small Single Long
2ft 6in x 6ft 6in / 75 x 200cm
Single
3ft x 6ft 3in / 90 x 190cm
Long Single
3ft x 6ft 6in / 90 x 200cm
Small Double
4ft x 6ft 3in / 120 x 190cm
Small Double Long
4ft x 6ft 6in / 120 x 200cm
Double
4ft 6in x 6ft 3in / 135 x 190cm
Long Double
4ft 6in x 6ft 6in / 135 x 200cm
European Double
4ft 8in x 6ft 6in / 140 x 200cm
King Size
5ft x 6ft 6in / 150 x 200cm
King Size Zip & Link
2 x 2ft 6in x 6ft 6in / 2 x 75 x 200cm
European King Size
5ft 3in x 6ft 6in / 160 x 200cm
Super King Size
6ft x 6ft 6in / 180 x 200cm
Super King Size Zip & Link
2 x 3ft x 6ft 6in / 2 x 90 x 200cm
Small Emperor
6ft 6in x 6ft 6in / 200 x 200cm
Small Emperor Zip & Link
2 x 3ft 3in x 6ft 6in / 2 x 100 x 200cm
Emperor
7ft x 7ft / 215 x 215cm
Emperor Zip & Link
2 x 3ft 6in x 7ft / 2 x 107.5 x 215cm
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Firmness

Soft
Good for side sleepers. The softest level of support.
Soft Medium
Good for side sleepers who require a little more support.
Medium
Good all rounder for front, side or back sleepers.
Medium Firm
Good for people who change sleeping position.
Firm
Good for people who sleep on their front or back.
Extra Firm
The firmest level of support. Also known as orthopaedic.

Support System

Foam
Pocket Spring

Comfort Filling

Natural Fibre
Latex
Memory Foam
Gel Foam

Features

Roll Up / Vacuum Packed
Pillow Top
Award Winning
Cooling
Eco Friendly
Anti Allergy and Hypoallergenic
Orthopaedic

Depth

Up to 19cm
20cm - 29cm
30cm and above

Mattress Type

Hybrid
Kids

Brands

Airsprung
Breasley
Duvalay
Emma
Gainsborough
Harrison Spinks
Healthbeds
Hypnos
Komfi
Land Of Beds
Lewis & Jones
Millbrook
Nectar
Relyon
Rest Assured
Sealy
Silentnight
Sleepeezee
Tempur
Vispring
Viva
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Delivery Times

Next Day Delivery
Delivery Within 7 Days
Delivery Within 14 Days
Delivery Within 21 Days
Delivery Within 28 Days

Price Range

£0 - £249
£250 - £499
£500 - £749
£750 - £999
£1000 - £1499
£1500 - £1999
£2000 and above

Special Offers

Special Buy
Deeper Sleeper Sale
Eden-Project
Hypnos Rainforest King Size Mattress

HYPNOS Rainforest King Size Mattress

£2,699Save £1,490RRP £4,189Was £2,999
From £67.80 per month
  • Natural Fibre Filling
  • ReActivePro 10 Pocket Spring
  • 10 Year Guarantee
Medium
Firm
Removal and Recycle Available
FREE Delivery within 6 Weeks
Eden-Project
Hypnos Mediterranean King Size Mattress

HYPNOS Mediterranean King Size Mattress

£3,099Save £1,760RRP £4,859Was £3,459
From £77.85 per month
  • Natural Fibre Filling
  • ReActivePro 10 Pocket Spring
  • 10 Year Guarantee
Medium
Firm
Removal and Recycle Available
FREE Delivery within 6 Weeks
Eden-Project
Hypnos Wild Cornwall King Size Mattress

HYPNOS Wild Cornwall King Size Mattress

£3,499Save £2,020RRP £5,519Was £3,899
From £87.89 per month
  • Natural Fibre Filling
  • ReActivePro 10 Pocket Spring
  • 10 Year Guarantee
Medium
Firm
Removal and Recycle Available
FREE Delivery within 6 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Crystal Firm King Size Mattress

SLEEPEEZEE Crystal Firm King Size Mattress

£639Save £190RRP £829Was £699
From £213.00 per month
From £16.05 per month
  • Gel Foam Filling
  • 950 Pocket Spring
  • 10 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Strand 1400 King Size Mattress

SLEEPEEZEE Strand 1400 King Size Mattress

Review Stars
4.7/5
(3 Reviews)
£849Save £310RRP £1,159Was £949
From £283.00 per month
From £21.33 per month
  • Natural Fibre Filling
  • 1400 Pocket Spring
  • 10 Year Guarantee
Medium
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Eco 1400 King Size Mattress

SLEEPEEZEE Eco 1400 King Size Mattress

£879Save £260RRP £1,139Was £979
From £293.00 per month
From £22.08 per month
  • Latex Filling
  • 1400 Pocket Spring
  • 10 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Memory Luxe Bronze King Size Mattress

SLEEPEEZEE Memory Luxe Bronze King Size Mattress

£879Save £260RRP £1,139Was £979
From £293.00 per month
From £22.08 per month
  • Memory Foam Filling
  • 2000 Pocket Spring
  • 10 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Eco 1800 King Size Mattress

SLEEPEEZEE Eco 1800 King Size Mattress

£979Save £300RRP £1,279Was £1,089
From £326.34 per month
From £24.59 per month
  • Latex Filling
  • 1800 Pocket Spring
  • 10 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Mattress-Trial-60-Nights-sized
Sleepeezee Heritage 2000 King Size Mattress

SLEEPEEZEE Heritage 2000 King Size Mattress

£1,039Save £320RRP £1,359Was £1,159
From £346.34 per month
From £26.10 per month
  • Natural Fibre Filling
  • 2000 Pocket Spring
  • 10 Year Guarantee
Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Awards-Best-Seller
Vispring Elite King Size Mattress

VISPRING Elite King Size Mattress

Review Stars
5/5
(21 Reviews)
£1,715Save £545RRP £2,260Was £1,929
From £571.67 per month
From £45.19 per month
  • Natural Fibre Filling
  • 1254 Pocket Spring
  • 30 Year Guarantee
  • Free Vispring Mattress Protector - RRP From £269
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Vispring Baronet Superb King Size Mattress

VISPRING Baronet Superb King Size Mattress

Review Stars
5/5
(4 Reviews)
£2,382Save £753RRP £3,135Was £2,689
From £62.77 per month
  • Natural Fibre Filling
  • 1326 Pocket Spring
  • 30 Year Guarantee
  • Free Vispring Mattress Protector - RRP From £269
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
Vispring Herald Superb King Size Mattress

VISPRING Herald Superb King Size Mattress

£3,431Save £1,084RRP £4,515Was £3,869
From £90.41 per month
  • Natural Fibre Filling
  • 1476 Pocket Spring
  • 30 Year Guarantee
  • Free Vispring Mattress Protector - RRP From £269
Soft
Medium
Firm
Extra Firm
Removal and Recycle Available
FREE Delivery in 2 to 3 Weeks
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Showing 37 to 48 of 149 Products

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