5 Best Firm Hybrid Mattresses in The UK 2023

A firm mattress can support the spine and reduce motion transfer, reducing back pain and nighttime partner disturbances.

Consult your doctor or sleep specialist if you’re unsure about a firm hybrid mattress. They can assess your needs and recommend a mattress.

Here are 5 top firm hybrid mattresses to help you choose.

List of Best Firm Hybrid Mattresses in The UK

Looking for the best firm hybrid mattress in the UK for a restful night’s sleep and top comfort? IYEE NATURE Double Mattress, an 8.7 Inch Hybrid Mattress, meets all your medium-firm memory foam double mattress needs.

The IYEE NATURE 8.7 Inch hybrid double mattress revolutionises morning freshness. This is accomplished how? This upgraded 7-zone independent pocket internal spring mattress evenly distributes body weight from head to toe. This innovation provides ultimate comfort and support, ending nighttime tossing and turning.

This mattress is known for its quietness. It absorbs noise and vibration well, ensuring a restful night. Eliminate nighttime partner movements. This mattress reduces movement interference, letting you sleep peacefully.

IYEE NATURE double mattresses provide shock absorption and resilience. Its premium individually pocketed springs support edges. Additionally, the smart design accommodates different body types and sleeping positions. This mattress suits back, side, and stomach sleepers.

The IYEE NATURE double spring mattress provides comfort and support. It absorbs heat and reduces stress thanks to its high-quality knitted fabrics and foam layers. This guarantees maximum comfort for your family every night. CertiPUR-US certifies all memory foams as safe.

For added incentive, IYEE NATURE offers a 100-night risk-free trial. They’re sure you’ll love their mattress, but if not, let them know and they’ll take care of it. They strive to give every customer a great sleep experience with their high-quality products and excellent service.

One of the best firm hybrid mattresses in the UK is the IYEE NATURE Double Mattress. Its innovative 7-zone pocket internal spring design, ultra-quiet operation, superior edge support, and comfort-enhancing layers make it a compelling choice for restful sleep. The 100-night risk-free trial gives you confidence in your purchase because the brand prioritises sleep satisfaction. Enjoy restful nights and refreshed mornings with the IYEE NATURE Double Mattress.


Sizes available: Single, Small Double, Double, King, Construction type: Foam, Innerspring, Hybrid, Trial: 100-night risk-free trial

  • 7-Zone Independent Pocket Springs
  • Ultra-Quiet Design
  • Superior Edge Support
  • Comfortable Top Layer
  • CertiPUR-US Certified


  • Even weight distribution for comfort
  • Noise-free, undisturbed sleep
  • Stable edge support
  • Maximum comfort and stress reduction
  • Certified safe and high quality


  • May be too firm for some
  • Slightly higher price point

For the best firm hybrid mattress in the UK, consider the Sweetnight 10 Inch Memory Foam Spring Mattress. This mattress offers the perfect balance of support and comfort for a restful night’s sleep with its many features and benefits.

The Sweetnight hybrid mattress prioritises comfort. Medium-firm provides the right support and cosiness. This CertiPUR-US-certified mattress has high-quality foam and pocket springs. Memory foam is skin-friendly and conforms to your body to maintain a comfortable temperature. Sweet dreams and refreshed mornings are possible with the bamboo fibre fabric cover’s breathability.

Its unique design elevates sleep on this mattress. Its hundreds of individually packaged pocket spring coils in five zones provide targeted support and motion response for different body parts. The coils on your head, neck, shoulders, waist, hips, legs, and feet respond independently to body pressure. This reduces motion transfer and improves comfort. Two rows of specially reinforced springs along the edge ensure a comfortable, non-slip seat.

Sweetnight prioritises comfort with a breathable mattress. A high-tech process makes the mattress from bamboo fibre. Eco-friendly and moisture-wicking, it keeps you dry and odor-free. Plus, it meets UK fire safety standards for peace of mind.

This versatile mattress fits most bed frames with its various thicknesses and sizes. It accommodates side, back, and stomach sleepers for a comfortable night’s sleep.

Sweetnight knows adjusting to a new mattress takes time. With every mattress purchase, they offer a generous 100-night hassle-free trial. Their product also has a 10-year warranty. Try it with confidence, knowing your satisfaction is a priority.

The Sweetnight 10 Inch Memory Foam Spring Mattress is a leading UK firm hybrid mattress. Its CertiPUR-US certification, unique pocket spring design, breathable bamboo fibre fabric, and accommodating size options make it stand out. Sweetnight’s 100-night trial and 10-year warranty demonstrate its dedication to quality sleep. Forget restless nights and embrace sweet dreams with Sweetnight.


Sizes available: Single, Small Double, Double, King, Super King, Construction type: Hybrid, Trial: 100-night trial

  • 10-inch medium-firm hybrid mattress.
  • CertiPUR-US certified foam and pocket springs.
  • Skin-friendly memory foam with temperature control.
  • Breathable bamboo fiber fabric cover.
  • Five-zone pocket spring system.
  • Reinforced edge springs.
  • Various size options.
  • UK fire-retardant treatment.
  • 100-night trial and 10-year warranty.


  • Ideal balance of support and comfort.
  • Regulates body temperature for better sleep.
  • Breathable and moisture-wicking cover.
  • Targeted support for different body areas.
  • Minimizes motion transfer for uninterrupted sleep.
  • Fits most bed frames with size choices.
  • Meets safety standards.
  • Generous trial period and warranty.


  • May not suit those seeking an ultra-soft mattress.
  • Somewhat higher price point.

The Serweet 3FT Memory Foam Hybrid 30cm Single Mattress is a top UK firm hybrid mattress. This mattress provides a restful night’s sleep with its durability, comfort, and temperature regulation.

Heavy gauge steel independent pocket innersprings give the Serweet mattress stability and medium firmness. This design suits medium-firm sleepers and plus-sized people who want durable support. The quilted jacquard cover and soft comfort foam make sleeping comfortable. The skin-friendly and fiberglass-free knitted top cover disperses body heat and releases moisture to adapt to the environment. This maintains a comfortable temperature overnight, making it ideal for support and breathability.

The Serweet mattress is CertiPUR US Certified and pressure relieving. Quality is paramount. CertiPUR-US certification ensures durability, performance, and content with high-quality foam. This mattress cushions and protects with three foam layers that balance softness and support. It relieves pressure points, making it ideal for stomach sleepers and back and neck pain sufferers.

This mattress excels at temperature regulation and breathability. The cool, soft comfort memory foam and breathable knitted fabric cover release body heat. The air-flow foam layer’s millions of open cells act as airway chambers, maximising airflow for unmatched temperature regulation. The mattress also has strong edge support for stability when sitting on the bed.

Serweet simplifies mattress delivery. The mattress is efficiently boxed and shipped to your door. Box, unroll, and let the mattress expand to its original shape in 72 hours. Serweet offers a 100-night trial, 100-Day Money Back guarantee, and 10-year limited warranty to prove their product’s reliability. If you have any questions, their customer support team will respond within 24 hours.

The Serweet 3FT Memory Foam Hybrid 30cm Single Mattress is a top UK firm hybrid mattress contender. It offers a restful night’s sleep with its pocketed sprung support, breathable fabrics, CertiPUR-US certification, pressure-relieving design, and temperature regulation. Serweet prioritises customer satisfaction and quality sleep with expert packaging and a generous trial period. The Serweet mattress provides comfort and support, ending restless nights.


Sizes available: Single, Double, King, Construction type: Hybrid, Trial: 100-night trial

  • 30cm memory foam hybrid mattress.
  • Medium firmness with pocketed innersprings.
  • CertiPUR-US certified foam for durability.
  • Pressure-relieving design.
  • Breathable, moisture-wicking cover.
  • Air-flow foam layer for temperature control.
  • Strong edge support.
  • Conveniently packaged.
  • 100-night trial, 10-year warranty.


  • Medium-firm support.
  • Pain relief and comfort.
  • Temperature regulation.
  • Edge support.
  • Easy setup and trial period.


  • Not ultra-soft.
  • Higher price point.

The UK’s best firm hybrid mattress is the SZsuilong Double Mattress. This mattress’s innovative comfort and support features ensure a restful night’s sleep.

SZSL mattresses have a 5-zoned support system for optimal spinal alignment. Thousands of individually responsive spring coils work together to adjust to your body weight for easy movement and a restful night. This means you wake up feeling fully supported.

SZSL Premium Mattresses are game-changers for comfort and body support. It has three layers of custom memory foams to cover every inch of your body. Spinal alignment, pressure relief, and body support make this mattress perfect for waking up refreshed.

The SZSL mattress scores 4.5 to 6.5 on a scale of 1 (soft) to 10 (firm), a perfect medium-firmness balance. Lighter people will feel supported, while heavier people or couples will find the bed softer. For customised sleep, it adapts to your needs.

Stay cool and comfortable all night with the SZSL mattress. Hypoallergenic soft-knit fabric improves breathability and airflow. The innovative springs system reduces body heat and improves airflow, making sleep cooler and refreshing.

Mattress delivery is easy with SZSL. The mattress is rolled and boxed for easy transport up stairs. Within 10 seconds of unpacking, it returns to its full size and peaks within 72 hours. Worried about your buy? The 100-day at-home trial gives you peace of mind for product defects.

The SZsuilong Double Mattress is a top UK firm hybrid mattress contender. Its 5-zoned support, memory foam layers, medium-firmness adaptability, cooling features, and convenient delivery make it ideal for restful sleep. Plus, the generous at-home trial gives you confidence in quality rest. Escape restless nights with the SZsuilong Double Mattress’s comfort and support.


Sizes available: Single, Small Double, Super King, Construction type: Hybrid, Trial: 100-day at-home trial

  • 5-zoned support for spinal alignment.
  • 3-layer memory foam for body support.
  • Medium-firmness (4.5-6.5).
  • Breathable fabric with cooling springs.
  • Convenient mattress in a box.
  • 100-day at-home trial.


  • Supports spine and relieves pressure.
  • Adapts to different body types.
  • Keeps you cool at night.
  • Easy delivery and setup.
  • Generous trial period.


  • Not extremely soft or very firm.
  • Relatively higher price.

Somnior Beds Bed Centre Small Single Midnight Medium Firm Hybrid Rolled Mattress is a top UK firm hybrid mattress contender. This mattress’s comfort and support ensure restful nights and energising mornings.

Bed Centre Hybrid Mattress Supports Somnior Beds For restful sleep, Bed Centre Hybrid Mattress provides excellent body support. For a firmer mattress, its sturdy spring system is ideal. Spring structure prevents back pain and supports your body, waking you up refreshed.

A luxurious Kashmere soft touch knitted fabric top cover makes the mattress comfortable and stylish. Soft and luxurious hypoallergenic fabric. The fabric cover’s small knitted air holes provide excellent airflow, making it a cosy sleeping surface.

Hand-tufted top panel enhances mattress appeal. Besides looking good, these tufts keep the mattress together. They stabilise springs and layers by securing mattress fillings. Durable mattresses allow you to enjoy their full benefits for years.

At 24 cm, this mattress is firm but comfortable. Medium firmness helps you sleep, and depth lets all layers work together. This combination provides ideal bedtime support, reviving you for the day.

British-made, it fits divan bases, bed frames, ottoman beds, bunk beds, and guest beds. Somnior Beds Centre If you’re replacing a mattress or upgrading your sleep setup, the Small Single Midnight Medium Firm Hybrid Rolled Mattress has the right balance of comfort and firmness for restful nights and active mornings.

The Somnior Beds Bed Centre Small Single Midnight Medium Firm Hybrid Rolled Mattress is a top UK firm hybrid mattress contender. For a mattress that balances firmness and relaxation, its support, comfort, and durability make it a good choice. British-made and suitable for various bed types, it promises a good night’s sleep and a fresh start.


Sizes available: Single, Small Double, Double, King, Construction type: Hybrid, Trial: Not Available

  • Medium-firm hybrid mattress.
  • Durable spring system.
  • Hypoallergenic, breathable fabric.
  • Hand-tufted for longevity.
  • 24 cm depth.
  • Fits various UK beds.
  • UK-manufactured.


  • Comfortably firm support.
  • Spinal alignment and back pain prevention.
  • Luxurious, breathable cover.
  • Long-lasting durability.
  • Versatile bed compatibility.
  • UK quality assurance.


  • Not extremely soft.
  • Moderate price point.

What Should You Consider While buying Firm Hybrid Mattresses?

Buying a new mattress can be an overwhelming experience with so many options to choose from. Hybrid mattresses that combine foam and springs have become increasingly popular, aiming to provide the pressure relief of foam with the bounce and support of coils. If you prefer a firm, supportive feel, a firm hybrid mattress may be the right choice for you. Here are some key factors to consider when shopping for a firm hybrid mattress in the UK.

Mattress Firmness Level

The first thing to look at is the firmness rating. Mattresses range from soft to medium to firm. A mattress described as “firm” will likely have a firmness rating around 7-9 on a scale of 1 to 10, with 10 being the firmest. This indicates the mattress will have a solid, supportive feel. However, firmness is subjective so it’s best to try mattresses in person when possible. If that’s not feasible, look carefully at mattress reviews and specs to gauge whether the firmness will match your preferences.

Mattress Materials

Pay attention to what materials are used in the mattress layers. Hybrids typically have a comfort layer made of memory foam, latex foam, microcoils or other materials atop a support core of pocketed coils. Memory foam contours closely to the body while latex foams and microcoils provide more bounce. The foam or specialty comfort layer in a firm hybrid mattress will be quite dense to prevent you from sinking in too deeply. The coils will be thicker and more rigid to reinforce spine alignment. Heavy duty coils with thick wire gauges around 12-15 are ideal for a firm hybrid.

Mattress Depth

In general, a thicker mattress will feel more supportive and resistant to sagging over time. The depth or height of a hybrid mattress is determined by the height of the coil system plus the comfort layers. Aim for a mattress that’s 8 to 12 inches thick for optimal firmness and durability. Just be sure it will still fit well in your bedroom and bed frame.

Edge Support

One advantage of a hybrid over an all-foam mattress is better edge support. Sturdy edges allow you to sleep or sit nearer the perimeter without the mattress collapsing or sagging. Hybrids reinforce the edges with high-density foam encasement around the coils or thicker gauge perimeter coils. Strong edge support is especially important for couples sharing a smaller bed or those who need easy access getting in and out of bed.

Motion Isolation

Hybrids tend to isolate motion well, meaning you won’t feel your partner moving around as much. The foam comfort layer absorbs energy and minimizes the transfer of movement across the surface. Pocketed coils are also minimally disruptive because each coil is wrapped in fabric and moves independently. If motion isolation is a top concern, pay attention to ratings and consider adding a thick foam top layer for maximum motion absorption.

Temperature Regulation

Many people prefer a cooler sleeping surface. Foam and innerspring mattresses each have cooling strengths that pair well in hybrid models. The innerspring design allows for airflow to dissipate heat. Memory foam is often infused with gel, graphite or copper to draw heat away from the body. Additional features like perforated foam layers or cooling gels can help as well. Just check that the mattress doesn’t sleep excessively warm or cold.


Responsiveness refers to how quickly a mattress reacts when pressure is applied and returns to form after pressure is removed. Bouncier surfaces are more responsive, making it easier to change positions. Hybrids tend to excel here thanks to the springy coil system. However, a firm hybrid may feel a bit less responsive due to the dense foam layers. Check reviews for an idea of how easy or difficult it is to move around on a particular model.

Pressure Relief

While a firm mattress offers superb support, you still want it to alleviate pressure in areas like the shoulders, hips and back. This cushioning comes from the comfort layer in a hybrid model. Memory foam is best known for conforming closely and distributing body weight. Latex and microcoils also provide noticeable pressure relief. Just make sure the comfort layer is thick and high quality in a firm hybrid mattress.


New mattresses often emit an odor from the foams and adhesives used in production, known as off-gassing. It’s not harmful but can be unpleasant until it dissipates within a few days. Hybrids using substantial foam layers tend to need a bit more time to fully off-gas. Consider letting your new mattress air out in a separate room for a while before putting sheets on. Opt for certified low-VOC foams if chemical odors concern you.

Mattress Warranty

The warranty provides important protections against defects and premature sagging or indentations in the mattress surface. For a hybrid mattress, look for at least a 10-year warranty and preferably a warranty lasting 15-25 years. Be sure to review what’s covered under the warranty and any fine print. Manufacturers typically require using a supportive bed frame and foundation to uphold the warranty.

Sleep Trial Period

One of the best ways to judge a mattress is sleeping on it. Many UK mattress brands offer sleep trials ranging from 60 to 365 nights. This gives you adequate time to evaluate the firmness, comfort and support. There’s usually a mandatory break-in period before a return can be initiated in case your body just needs time to adjust. If the mattress isn’t right, the company will arrange pickup and provide a full refund.

What are hybrid mattresses and what is their firmness level?

Hybrid mattresses integrate materials from different mattress types into one. They typically pair an internal coil support core with a comfort layer of memory foam or latex on top. This fusion aims to provide sleepers the pros of both spring and foam mattresses – bounce from the coils plus contouring from the foam. Firmness spans from plush soft to extra firm depending on the foam density, thickness and coils used.

What are the upsides of a firm hybrid mattress?

Very firm hybrid mattresses give excellent reinforcement for back and stomach sleepers by maintaining the alignment of the spine. The push back from the springs paired with pressure relief of the foam also makes moving on the bed easier. Firmer versions tend to have superior edge support as well.

How long can you expect a firm hybrid mattress to last?

With both durable coil and foam parts, a high quality hybrid mattress usually lasts around 6-8 years before a replacement is needed. Choosing higher density foam and tempered steel coils expands the lifespan. Rotating regularly and using a supportive foundation also helps maximize durability.

What are some of the top rated firm hybrid mattresses in the UK?

Looking at reviews and tests, some of the best rated firm hybrid mattresses available in the UK include the Simba Hybrid Pro, Emma Original Hybrid, Otty Hybrid, Eve Premium Hybrid, Brook + Wilde Lux mattress and Leesa Hybrid. Always verify the specific model’s firmness level when evaluating options.

Also read,

My Mattress Is Too Hard What Can I Do?

Moumita Ghosh

Moumita Ghosh

Moumita Ghosh is an experienced Sleep Health Educator and lead editor at BigBadRead.co.uk. From testing bedding to authoring guides on sleep hygiene, her aim is to assist readers in achieving restful sleep. She also stars in educational videos on our YouTube channel. Moumita graduated from King's College London with a degree in health science and a focus on sleep medicine. She has invested over a decade honing her expertise to measure and evaluate how products impact sleep quality. As an oft-cited authority on sleep products, Moumita steers millions of consumers toward personalized recommendations for everything from pillows to mattresses. Previously, she directed search and social media strategy for premier lifestyle brands at Harrods. In her free time, she enjoys outdoor activities, exploring new cafes, cuddling her furry friends, and of course - catching some quality shut-eye.

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