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Firm Mattresses

Firm mattresses offer solid, stable support - perfect for front and back sleepers. Find your open coil, memory foam or orthopaedic match today. Shop top UK brands like Silentnight and Sealy with free next day delivery and a 60-Night Comfort Trial.

1-20 of 67 products

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Silentnight Seoul Miracoil Memory Mattress
4.6
4.6 out of 5 filled stars
429
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Firm
Miracoil Springs
Memory Foam
In the Sale
Up to 20% Off
From£269.95

RRP £352.00

Free Delivery
Mlily Bamboo+ Ortho Memory 800 Pocket Mattress
4.3
4.3 out of 5 filled stars
14
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Firm
Pocket Springs
Memory Foam
In the Sale
Up to 50% Off
From£259.95

RRP £520.00

Free Delivery
Romantica Serenade Ortho Mattress
4.8
4.8 out of 5 filled stars
812
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Firm
Traditional Open Coil Springs
Soft White Fibres
In the Sale
From£154.95
Free Delivery
SleepSoul Space 4000 Pocket Orthopaedic Gel Mattress
4.8
4.8 out of 5 filled stars
17
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Firm
Pocket Springs
Gel Foam
In the Sale
Up to 40% Off
From£534.95

RRP £899.99

Free Delivery
SleepSoul Luna 1500 Ortho Pillow Top Mattress
5.0
5 out of 5 filled stars
3
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Firm
Pocket Springs
Memory Foam
In the Sale
Up to 30% Off
From£359.95

RRP £509.99

Free Delivery
Sealy Alford Advantage Mattress
4.6
4.6 out of 5 filled stars
851
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Firm
PostureTech Core Support Springs
Soft White Fibres
In the Sale
Up to 25% Off
From£314.95

RRP £429.00

Free Delivery
Sealy Harlow Ortho Plus Mattress
4.5
4.5 out of 5 filled stars
375
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Firm
PostureTech Core Support Springs
Soft White Fibres
In the Sale
Up to 20% Off
From£314.95

RRP £419.00

Free Delivery
Relyon Luxury Pashmina 2350 Pocket Mattress
4.7
4.7 out of 5 filled stars
37
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Firm
Pocket Springs
Pashmina
In the Sale
Up to 30% Off
From£796.00

RRP £1,137.00

Free Delivery
Millbrook Wool Ortho 1000 Pocket Mattress
4.6
4.6 out of 5 filled stars
521
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Firm
Pocket Springs
Wool
Up to 40% Off
From£369.95

RRP £620.91

Free Delivery
Mlily Bamboo+ Superb Ortho Memory 2500 Pocket Mattress
4.7
4.7 out of 5 filled stars
58
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Firm
Pocket Springs
Memory Foam
Up to 45% Off
From£344.95

RRP £685.00

Free Delivery
SleepSoul Premium Cool Gel 1000 Pocket Mattress
4.0
4 out of 5 filled stars
3
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Firm
Pocket Springs
Gel Foam
Up to 25% Off
From£499.00

RRP £629.99

Free Delivery
Bodyshape Ortho Memory Foam Mattress
4.5
4.5 out of 5 filled stars
384
Firm Icon
Firm
Reflex Foam
Memory Foam
Up to 45% Off
From£194.95

RRP £339.99

Free Delivery
Sealy Eaglesfield Memory Ortho Plus Mattress
4.6
4.6 out of 5 filled stars
237
Firm Icon
Firm
PostureTech Core Support Springs
Memory Foam
Up to 30% Off
From£374.95

RRP £549.00

Free Delivery
Sleepeezee Wool Luxe 1200 Pocket Mattress
5.0
5 out of 5 filled stars
2
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Firm
Pocket Springs
Wool
Up to 30% Off
From£476.10

RRP £689.00

Free Delivery
Relyon Memory Plus 1800 Pocket Mattress
3.0
3 out of 5 filled stars
4
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Firm
Pocket Springs
Memory Foam
Up to 40% Off
From£779.95

RRP £1,313.00

Free Delivery
KomfiMed Ortho Firm Mattress
1.0
1 out of 5 filled stars
1
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Firm
Reflex Foam
TrueGel Technology
Up to 30% Off
From£509.95

RRP £775.00

Free Delivery
Silentnight Healthy Growth Eco Bunk Mattress
4.7
4.7 out of 5 filled stars
317
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Firm
Traditional Open Coil Springs
Eco Comfort Fibre
Single£179.95
Free Delivery
Silentnight Athens 1400 Mirapocket Ortho Mattress
4.6
4.6 out of 5 filled stars
674
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Firm
Mirapocket Springs
Eco Comfort Fibre
Up to 20% Off
From£324.95

RRP £407.00

Free Delivery
Sealy Posturepedic Elevate Blackwood Mattress
4.7
4.7 out of 5 filled stars
83
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Firm
AlignSupport Coil Springs
Reflex Foam
Up to 40% Off
From£774.95

RRP £1,299.00

Free Delivery
Hypnos Hemsworth Support Mattress
4.7
4.7 out of 5 filled stars
38
Firm Icon
Firm
Pocket Springs
Cotton
Up to 40% Off
From£589.95

RRP £1,025.00

Free Delivery
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