Firm
Get the solid sleeping surface your body needs with a firm mattress that keeps your spine properly aligned all night.
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Original price
£239.95
from £119.95
from £119.95
Current price
£119.95
Komfi Unity Regular Ecofoam Mattress
• Firm Comfort
• Reflex Foam
• Removable Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Practical Comfort for Growing NeedsThe Unity Regular Mattress is thoughtfully designed to provide exceptional value, making it the perf...
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Original price
£259.95
from £129.95
from £129.95
Current price
£129.95
Dura Beds Capri Firm Comfort Open Coil Mattress
• Firm Comfort
• Open Coil Spring Unit
• Deep Quilted
🚚 FREE DELIVERY 3-7 Working Days
Description The Capri Mattress is expertly designed to provide gently supportive comfort to the sleeping body. Perfect for those seeking a restful...
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Original price
£279.95
from £139.95
from £139.95
Current price
£139.95
Dura Beds York Orthopaedic Firm Mattress
• Firm Comfort
• Orthopaedic Spring
• Deep Quilted
🚚 FREE DELIVERY 3-7 Working Days
Description The York mattress from Dura Beds features a robust Open Coil spring unit at its core, ensuring a firm comfort level that is both suppo...
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Original price
£339.95
from £169.95
from £169.95
Current price
£169.95
Kayflex Ecoflex Reflex Shallow 15cm Memory Foam Firm Mattress
• Firm Comfort
• Memory Foam
• Damask Foam
🚚 FREE DELIVERY 3-7 Working Days
Description Tailored Comfort and SupportThe Kayflex Ecoflex 15cm Mattress is designed to cater to individual preferences, available in both firm a...
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Original price
£359.95
from £179.95
from £179.95
Current price
£179.95
Dura Beds Ashleigh Orthopaedic Firm Mattress
• Firm Comfort
• Open Coil Spring Unit
• Orthopaedic
🚚 FREE DELIVERY 3-7 Working Days
Description The Ashleigh mattress features a robust design centred around a firm Open Coil spring unit, making it an excellent choice for those who...
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Original price
£379.95
from £189.95
from £189.95
Current price
£189.95
Breasley Uno Comfort Sleep Firm Reflex Foam Mattress
• Firm Comfort
• Reflex Foam
• Removable Fabric Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Child-Friendly Mattress with Firm SupportThe Breasley Uno Comfort Sleep Firm mattress is the solution for a child-friendly, shallow mat...
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Original price
£379.95
from £189.95
from £189.95
Current price
£189.95
Kayflex Ecoflex Shallow 15cm 3D Border Memory Foam Firm Mattress
• Firm Comfort
• Memory Foam
• Damask Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Unmatched Versatility and ComfortThe Kayflex Ecoflex 15cm 3D Border Mattress offers remarkable adaptability for all types of sleepers,...
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Original price
£419.95
from £209.95
from £209.95
Current price
£209.95
Gem Collection Emerald Damask Coil Sprung Mattress
• Firm Comfort
• Multi-Layered Fillings
• Superior Traditional Bonnell Springs
🚚 FREE DELIVERY 3-7 Working Days
Description Enhanced Stability and SupportThe Emerald Damask Coil Sprung Mattress, part of the Gem Collection, is crafted for those who seek reliab...
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Original price
£419.95
from £209.95
from £209.95
Current price
£209.95
Gem Collection Moonstone Ortho Backcare Coil Sprung Mattress
• Firm Comfort
• Orthopaedic Bonnell Springs
• Reversible
🚚 FREE DELIVERY 3-7 Working Days
Description Orthopaedic Firm SupportThe Moonstone Ortho Backcare Sprung Mattress is part of the Gem Collection, and was tailored for those who pref...
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Original price
£419.95
from £209.95
from £209.95
Current price
£209.95
Gem Collection Petal Breeze Open Coil Mattress
• Firm Comfort
• Open Coil Spring
• Side Handles
🚚 FREE DELIVERY 3-7 Working Days
Description Timeless Comfort and Breathable DesignThe Petal Breeze Mattress features superior traditional open coil springs that provide reliable ...
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Original price
£459.95
from £229.95
from £229.95
Current price
£229.95
Dura Beds Everlast Open Coil Ortho Firm Mattress
• Firm Comfort
• Open Coil Spring
• Mirco-Quilted
🚚 FREE DELIVERY 3-7 Working Days
Description The Everlast Ortho Firm Mattress is expertly crafted to provide a blend of robust support and surface comfort, making it an ideal choi...
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Original price
£479.95
from £239.95
from £239.95
Current price
£239.95
Dura Beds Victoria Orthopaedic Deep Sprung Mattress
• Orthopaedic Comfort
• Open Coil Spring Unit
• Hand Tufted Cover
🚚 FREE DELIVERY 3-7 Working Days
Description The Victoria mattress offers a firm comfort level and boasts a generous 30cm depth, providing an exceptionally well-made sleeping solut...
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Original price
£479.95
from £239.95
from £239.95
Current price
£239.95
Kayflex Ecoflex Reflex Memory Foam 20cm Firm Mattress
• Firm Comfort
• Memory Foam
• Damask Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Tailored Comfort and SupportThe Kayflex Ecoflex 20cm Mattress is designed to cater to individual preferences, available in both firm a...
View full details
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Original price
£519.95
from £259.95
from £259.95
Current price
£259.95
Dura Beds Georgia Orthopaedic Sprung Mattress
• Orthopaedic Comfort
• Open Coil Spring Unit
• Air Flow Borders
🚚 FREE DELIVERY 3-7 Working Days
Description The Georgia mattress offers a medium to firm comfort level and boasts a 25cm depth, providing exceptional quality at an outstanding val...
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Original price
£519.95
from £259.95
from £259.95
Current price
£259.95
Kayflex Ecoflex 20cm 3D Border Memory Foam Firm Mattress
• Firm Comfort
• Memory Foam
• Damask Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Unmatched Versatility and ComfortThe Kayflex Ecoflex 20cm 3D Border Mattress offers remarkable adaptability for all types of sleepers,...
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Original price
£539.95
from £269.95
from £269.95
Current price
£269.95
Breasley Uno Invigorate Pocket 1800 Firm Hybrid Mattress
• Firm Comfort
• Reflex Foam
• Removable Fabric Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Firm Support for Spinal AlignmentThe Breasley Uno Invigorate Pocket 1800 Firm hybrid mattress provides a firm sleeping surface designed...
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Original price
£559.95
from £279.95
from £279.95
Current price
£279.95
Gem Collection Ruby 1500 Pocket Sprung Mattress
• Firm Comfort
• 2-Way Stretch Fabric
• 1500 Pocket Springs
🚚 FREE DELIVERY 3-7 Working Days
Description Firm, Contoured SupportThe Ruby 1500 Pocket Sprung Mattress is part of the Gem Collection and was designed for those who appreciate fir...
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Original price
£559.95
from £279.95
from £279.95
Current price
£279.95
Dura Beds Panache Orthopaedic Sprung Cushioned Top Mattress
• Orthopaedic Comfort
• Open Coil Spring Unit
• Quilted Cover
• Cushioned Pillow Top
🚚 FREE DELIVERY 3-7 Working Days
Description The Dura Beds Panache mattress offers a robust construction and luxurious comfort, making it a superb choice for anyone seeking a refre...
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Original price
£599.95
from £299.95
from £299.95
Current price
£299.95
Dura Beds Everlast 1000 Pocket Sprung Mattress
• Firm Comfort
• 1,000 Pocket Spring
• Luxurious Layers of Fillings
🚚 FREE DELIVERY 3-7 Working Days
Description The Everlast mattress is 30cm in depth and features a supportive 1,000 pocket spring unit. Designed to conform to the body, it provides...
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Original price
£639.95
from £319.95
from £319.95
Current price
£319.95
Breasley Uno Comfort Memory Pocket Firm Hybrid Mattress
• Firm Comfort
• Memory Foam
• Removable Fabric Cover
🚚 FREE DELIVERY 3-7 Working Days
Description Firm Support with Pocket SpringsThe Breasley Uno Memory Pocket Firm mattress features 1000 individual pocket springs that provide even ...
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Original price
£639.95
from £319.95
from £319.95
Current price
£319.95
Kayflex Sleepology Firm Foam Mattress
• Firm Comfort
• Memory Foam
• Carry side handles
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Sleepology Firm Mattress is expertly crafted for those who appreciate a firmer sleeping surfac...
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Original price
£739.95
from £369.95
from £369.95
Current price
£369.95
Kayflex Gel Orthopaedic Support Mattress
• Firm Comfort
• Reflex Foam
• Micro-Quilted
🚚 FREE DELIVERY 3-7 Working Days
Description Ultimate Comfort and SupportThe Kayflex Gel Ortho Support Mattress is meticulously crafted for those prioritising both comfort and sup...
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Original price
£779.95
from £389.95
from £389.95
Current price
£389.95
Shire Beds Sunrise 1500 Pocket Sprung Mattress
• Firm Comfort
• Pocket Spring
• Side Handles
🚚 FREE DELIVERY 7-10 Working Days
Description Timeless Comfort and DurabilityThe Shire Beds Sunrise 1500 Pocket Sprung Mattress combines the tailored support of 1500 pocket springs ...
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£1,299.95
from £649.95
from £649.95
Current price
£649.95
Shire Beds Sylvette 2000 Pocket Sprung Mattress
• Firm Comfort
• Pocket Spring
• Side Handles
🚚 FREE DELIVERY 7-10 Working Days
Description Unparalleled Comfort and SupportThe Shire Beds Sylvette 2000 Pocket Sprung Mattress offers the perfect combination of advanced pocket s...
View full detailsWhat is a firm mattress?
A firm mattress holds you in an elevated sleeping position with minimal sinking. The robust surface prevents sagging under pressure points like hips and shoulders, creating the foundation many sleepers need for proper spinal alignment and reducing morning stiffness.
While softer mattresses conform around your body, firm designs actively support your weight from below. Look for reinforced lumbar zones that prevent dipping where weight concentrates. High-gauge steel springs provide lasting tension without premature softening.
Edge support becomes crucial in firmer designs since the reduced cushioning can make borders feel unstable. Foam encapsulation or double-row spring systems ensure you can use the entire sleeping surface without that "rolling off" sensation.
Different types of firm mattresses
Traditional bonded springs and dense wool layers create reliable firmness at entry-level prices. These classic designs distribute weight evenly while minimising motion transfer.
Zoned pocket springs use varying coil tensions - firmer under hips, gentler at shoulders - to maintain alignment while preventing pressure buildup. The individual spring wrapping reduces partner disturbance without compromising on support.
High-density memory foam layers progressively increase in firmness, transitioning from a breathable surface to an ultra-supportive core. The graduated design prevents the "trapped" feeling some foam mattresses can create.
How a firm mattress feels
You'll notice immediate pushback that keeps your body level, with just enough give to accommodate natural curves comfortably.
The stable surface maintains consistent resistance under pressure points, making changing positions easily throughout the night.
Back and stomach sleepers often prefer this firmness level since it prevents hip sinking and supports the lower back. Heavier sleepers also benefit from the enhanced stability and reduced risk of dipping.
Outstanding firm options
The Farnborough 1000 provides substantial back support with pocket springs and a taped edge. The tufted padding keeps the sleeping surface level, and you can flip the mattress to prolong its life.
The Dura Beds Everlast 1000 combines individually tensioned pocket springs with reinforced edges, preventing the gradual softening that can occur along mattress borders. The hand-tufted surface locks premium fillings in place for lasting performance.
Memory foam technology meets orthopaedic support in the Sareer Diamond 6+2. The high-density base layer provides unwavering stability while the cooling gel-infused surface prevents heat buildup - a common concern with firmer foam designs.
The Deluxe Beds Avon Ortho 2000 features multi-zoned spring tensions that adapt to different body weights. Advanced air channels maintain freshness, while the two-sided construction doubles the mattress lifespan through regular rotation.