Skip to content
BOXING DAY SALE NOW ON! - UP TO 50% OFF EVERYTHING!
BOXING DAY SALE NOW ON! - UP TO 50% OFF!
FREE 2-Man Delivery

in 3-7 Working Days

5 Star Service

Excellent on Trustpilot

Made In Britain

Quality UK Products

5 Year Warranty

Extra peace of mind

Firm

Get the solid sleeping surface your body needs with a firm mattress that keeps your spine properly aligned all night.

Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £219.95
from £109.95
from £109.95
Current price £109.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £239.95
from £119.95
from £119.95
Current price £119.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £249.95
from £124.95
from £124.95
Current price £124.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £289.95
from £144.95
from £144.95
Current price £144.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £299.95
from £149.95
from £149.95
Current price £149.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £309.95
from £154.95
from £154.95
Current price £154.95

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,...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £329.95
from £164.95
from £164.95
Current price £164.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £329.95
from £164.95
from £164.95
Current price £164.95

Sleep Tranquillity Aurora Ortho Open Coil Mattress

• Firm Comfort

• Open Coil Springs

• Orthopaedic

🚚 FREE DELIVERY 3-7 Working Days

Description Timeless Comfort and SupportThe Aurora Ortho Mattress is expertly crafted with orthopaedic open coil springs that provide a firmer slee...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £339.95
from £169.95
from £169.95
Current price £169.95

Sweet Dreams Quinn Ortho Open Coil Mattress

• Firm Comfort

• Open Coil Spring

• Orthopaedic

🚚 FREE DELIVERY 3-7 Working Days

Description Ultimate Comfort and SupportThe Sweet Dreams Quinn Ortho Mattress is expertly designed for those who prioritize both comfort and suppor...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £349.95
from £174.95
from £174.95
Current price £174.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £349.95
from £174.95
from £174.95
Current price £174.95

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...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £349.95
from £174.95
from £174.95
Current price £174.95

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 ...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £379.95
from £189.95
from £189.95
Current price £189.95

Sareer Diamond 6+2 Memory Foam Mattress

• Firm Comfort

• Memory Foam

• Removable Cover

🚚 FREE DELIVERY 3-7 Working Days

Description Exceptional Comfort and Firm SupportThe Sareer Diamond 6+2 Memory Foam Mattress is thoughtfully designed for those who favour a firmer...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £399.95
from £199.95
from £199.95
Current price £199.95

Vogue Orthomaster Open Coil Mattress

• Firm Comfort

• Open Coil Spring

• Orthopaedic

🚚 FREE DELIVERY 3-7 Working Days

Description Robust Support and ComfortThe Vogue Orthomaster Mattress is expertly designed for those who prioritize a firmer sleeping surface. Featu...

View full details
Translation missing: en.product_price.item.price.range_html
Translation missing: en.product_price.item.price.range_html
Original price £399.95
from £199.95
from £199.95
Current price £199.95

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

What 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.