Who is the Ergoflex mattress best suited for?
While most bed-in-a-box mattresses aim for a universal feel designed to suit a wide variety of people and body types, the Ergoflex 5G’s high-density composition makes it particularly effective for specific groups:
- Couples and light sleepers: The dense memory foam offers class-leading motion isolation, ensuring you won't feel a partner (or pet) moving on the other side of the bed.
- Back and joint pain sufferers: As a genuine orthopaedic-style mattress, the high-density memory foam provides the structural support needed for spinal alignment.
- Asthma and allergy sufferers: The mattress is naturally anti-allergenic, antimicrobial, and resistant to dust mites.
- Health-conscious shoppers: It carries the OEKO-TEX® Standard 100 certification [1], confirming every component is free from harmful substances.
- Back and stomach sleepers: The medium-firm feel provides the necessary resistance to keep the hips from sinking, protecting the lower back.
- Heavier side sleepers: While lightweight side sleepers may find it a bit too firm, those with a larger build will sink deep enough to activate the pressure-relieving layers.
Ultimately, if you want the high-performance feel of a Tempur at a significantly lower price point, the Ergoflex 5G is the premier choice.
Take a look at our rating below before diving into our full Ergoflex review:
Rating
Who is the Ergoflex mattress not suitable for?
While the Ergoflex 5G is a high-performance mattress, its specific memory foam composition won't suit everyone:
- Hot sleepers or heavy sweaters: Despite the Cool-Sleep airflow layer and TENCEL cover, high-density memory foam naturally retains more heat than springs.
- Combination sleepers: The deep-sink nature of the foam can make it feel like you're sleeping in the mattress rather than on it, making frequent position changes more difficult.
- Electric blanket users: Constant heat from a blanket can interfere with the foam's ability to react to your body temperature, potentially softening the mattress too much and compromising support.
- Fans of bounce: If you prefer the active push-back of a traditional spring bed, the dampening effect of memory foam may feel too static.
- Lightweight side sleepers: Those with a smaller frame may not exert enough pressure to sink into the dense foam, leading to potential pressure points at the shoulder.
If you fall into these categories, you may be better suited to a more responsive hybrid mattress like the Simba Hybrid, Emma Original Pro, or the DreamCloud Luxury Hybrid.
Hybrid alternatives:
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![Simba Hybrid Mattress]()
![Simba Hybrid Mattress]()
Simba![Simba]()
Hybrid MattressPrice from £ 519.20 £ (649 )The Simba Hybrid mattress is a medium-firm pocket-sprung mattress with multiple layers of foam that's ideal for side sleepers.The Simba Hybrid mattress is a medium-firm pocket-sprung mattress with multiple layers of foam that's ideal for side sleepers.Price from £ 519.20 (£ 649 ) -
![Emma Original Pro]()
![Emma Original Pro]()
Emma![Emma]()
Original ProPrice from £ 499The Emma Original Pro is made with temperature regulation technology and is ideal for hot sleepers."Get an extra 5% off with our exclusive discount code."The Emma Original Pro is made with temperature regulation technology and is ideal for hot sleepers."Get an extra 5% off with our exclusive discount code."Price from £ 499 -
![DreamCloud Luxury Hybrid Mattress]()
![DreamCloud Luxury Hybrid Mattress]()
DreamCloud![DreamCloud]()
Luxury HybridPrice from £ 549The DreamCloud Luxury Hybrid is a firmer five-layered premium mattress that's great for stomach sleepers.The DreamCloud Luxury Hybrid is a firmer five-layered premium mattress that's great for stomach sleepers.Price from £ 549
How comfortable is the Ergoflex mattress?
Comfort is subjective, but the Ergoflex 5G consistently receives high praise for its body-hugging support.
Unlike cheaper, low-density foams that can feel mushy, this mattress provides a high-performance, orthopaedic feel designed specifically for spinal health and pressure relief.
Ergoflex mattress firmness
The 5G is rated as a medium-firm mattress, though it sits firmly at the upper end of that category, offering a stable and supportive surface that doesn't sag or soften significantly over time.
Ergoflex recommends that their 5G mattress is also ideal for sufferers of back pain, fibromyalgia, circulation problems, and joint complaints, though the brand doesn't make specific medical claims.
The gold standard for back and joint pain
The Ergoflex 5G is a premier choice for those suffering from chronic back or joint issues.
Its high-density memory foam is inherently orthopaedic, moulding precisely to your body’s contours to ensure the spine remains in a neutral position.
By allowing muscles to fully relax and redistributing body weight evenly, it significantly reduces the pressure points that typically lead to morning aches.
Suitability by build and sleeping position
Your experience on the Ergoflex memory foam mattress will largely depend on your physical build and your primary sleeping position:
- Back and stomach sleepers: This is the ideal mattress for you. The medium-firm feel provides the resistance needed to keep your hips from sinking too deep.
- Heavier-weight side sleepers: Larger builds will find the foam incredibly supportive, as they have the weight required to activate the deeper pressure-relieving layers.
- Lightweight side sleepers: You may find the mattress a bit rigid; if you don't weigh enough to sink into the foam, it can create tension around the shoulders.
Most average-weight or combination sleepers, however, will find the medium-firm feel of the Ergoflex memory foam mattress perfectly comfortable.
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![Ergoflex 5G Mattress]()
![Ergoflex 5G Mattress]()
Ergoflex![Ergoflex]()
5G MattressPrice from £ 369The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.Price from £ 369
Ergoflex mattress composition
The Ergoflex 5G is a premium, 23 cm-deep all-foam mattress engineered with a three-layer core and a high-performance cooling cover.
Each layer is designed to balance orthopaedic support with temperature regulation, using higher-than-average foam densities for maximum longevity.
1. Ergoflex mattress cover
The Ergoflex 5G mattress is wrapped in a removable, machine-washable cover made from TENCEL [2], a sustainable fabric derived from wood pulp. 🌳
This material is naturally moisture-wicking and significantly more breathable than cotton, offering a soft, silk-like feel that is also antimicrobial.
The cover also features mesh panels on each end to allow for better airflow.
2. Memory foam layer
The comfort layer features 9 cm (3.5") of Advanced Cellular Pressure-Relieving Technology (ACPT™) foam.
This high-density viscoelastic layer is designed with an open-cell structure that contours precisely to your body, providing orthopaedic support and relieving pressure on the hips and shoulders.
3. Cool-Sleep airflow layer
To combat the heat retention typically associated with memory foam, the 5G includes a 5 cm (2") convoluted airflow layer.
This egg-box-shaped foam creates channels that allow air to circulate freely throughout the core, significantly improving temperature regulation compared to standard foam beds.
4. High-density base foam
The foundation is a 9 cm (3.5") high-impact polyurethane foam [3] that provides the structural integrity of the mattress.
It's designed for superior weight dispersion and durability, ensuring the mattress maintains its shape whether used on a solid base or slats (provided that the slats are spaced less than 6.35 cm/2.5 inches apart).
By combining these specific foams and densities, Ergoflex provides deep pressure relief without the quicksand feeling of lower-quality foams.
This architectural approach ensures that the 5G remains supportive and comfortable for the duration of its lifespan.
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![Ergoflex 5G Mattress]()
![Ergoflex 5G Mattress]()
Ergoflex![Ergoflex]()
5G MattressPrice from £ 369The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.Price from £ 369
In what sizes is the Ergoflex mattress available?
The Ergoflex 5G is available in all standard UK sizes, alongside specific European dimensions.
- Ergoflex single mattress: 90 x 190 cm (3’ x 6’3”)
- Ergoflex double mattress: 135 x 190 cm (4’6" x 6’3”)
- Ergoflex Euro double mattress: 140 x 200 cm (4’6" x 6’6”)
- Ergoflex king-size mattress: 150 x 200 cm (5’ x 6’6”)
- Ergoflex Euro king mattress: 160 x 200 cm (5'2" x 6’6”)
- Ergoflex super king mattress: 180 x 200 cm (6’ x 6’6”)
The Euro sizes are an essential addition for those with IKEA bed frames, which often require slightly longer or wider mattresses than traditional British standards.
While the single is ideal for children or guest rooms, we recommend the double or larger for couples to fully experience the zero motion transfer benefits.
What is the height of the Ergoflex mattress?
The Ergoflex 5G mattress is 23 cm (9 inches) high, which is slightly lower than the 25 cm (10 inches) industry standard.
While this does not compromise the orthopaedic support, it is worth checking your existing fitted sheets, as you may find they sit a little looser than on a standard-depth mattress.
Check out some of our favourite bedding:
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![panda signature bamboo lyocell bedding]()
![panda signature bamboo lyocell bedding]()
Panda London![Panda London]()
Signature+ Bamboo Lyocell Bedding SetPrice from £ 180The Panda Signature+ Bamboo Lyocell Bedding Set is made from ultra-soft, breathable bamboo lyocell for a cool, luxurious night’s sleep.The Panda Signature+ Bamboo Lyocell Bedding Set is made from ultra-soft, breathable bamboo lyocell for a cool, luxurious night’s sleep.Price from £ 180 -
![DreamCloud Bedding]()
![DreamCloud Bedding]()
DreamCloud![DreamCloud]()
Bedding SetPrice from £ 55The DreamCloud Bedding Set includes a fitted sheet, duvet cover, and 2x pillowcases.The DreamCloud Bedding Set includes a fitted sheet, duvet cover, and 2x pillowcases.Price from £ 55 -
![Emma Soft Cotton Fitted Sheet]()
![Emma Soft Cotton Fitted Sheet]()
Emma![Emma]()
Soft Cotton Fitted SheetPrice from £ 30.99The Emma Soft Cotton Fitted Sheet is made of 100% natural & durable cotton with a 144-thread count, available in 3 colours."Get an extra 5% off with our exclusive discount code."The Emma Soft Cotton Fitted Sheet is made of 100% natural & durable cotton with a 144-thread count, available in 3 colours."Get an extra 5% off with our exclusive discount code."Price from £ 30.99
Ergoflex 5G memory foam mattress UK prices
The Ergoflex 5G is engineered as a high-performance alternative to showroom giants, offering premium high-density specifications at an online-only price point.
While its RRP sits above budget-friendly options like the Emma Original, the significant depth of its orthopaedic ACPT foam justifies the investment for those seeking long-term durability.
Ergoflex is most directly comparable to the Tempur Pro range, providing a similar slow-sink luxury feel for roughly a third of the cost.
It remains one of the most competitive UK bridge mattresses between the budget and luxury mattress markets and represents the best value for sleepers who want genuine orthopaedic support without the traditional showroom markup.
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![Ergoflex 5G Mattress]()
![Ergoflex 5G Mattress]()
Ergoflex![Ergoflex]()
5G MattressPrice from £ 369The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.Price from £ 369
Ergoflex mattress delivery conditions
The Ergoflex mattress is only available directly from Ergoflex.
As a bed-in-a-box mattress, it's delivered rolled-up and vacuum-packed in a compact box. 📦
Most customers will be offered next-day delivery free of charge, but you can also choose a specific date when placing your order.
Ergoflex states that they can usually deliver within 24 hours of the time of ordering. ⏰
The mattress will be delivered to your front door but not to a specific room.
Keep in mind that the Ergoflex mattress is quite heavy, weighing around 32 kg (depending on the mattress size) and comes in a large box, so we'd recommend having help available if you need to carry it far.
Once unpacked, your 5G mattress will slowly expand to its full size, which can take up to 48 hours.
What do I do with my old mattress?
Unfortunately, Ergoflex doesn't offer an old mattress removal service.
Check out our mattress disposal guide if you need help disposing of your old mattress.
Does the Ergoflex come with a trial period?
Ergoflex offers a 30-night trial period.
This is lower than competitors like Simba or Nectar, which offer a 200-day and 365-day trial period respectively.
But 30 nights should be enough time for you to know if the mattress is right for you or not, and you can check out Ergoflex 5G mattress reviews to see what other customers thought of their mattresses.
Trustpilot Ergoflex mattress reviews give several different opinions from people who have actually used the mattress, and thousands of different Ergoflex 5G mattress reviews contribute to creating the excellent 4.7-star Trustpilot rating. ⭐
Worth noting: Ergoflex requires you to sleep on the mattress for at least 21 days before returning it.
Does the Ergoflex mattress come with a guarantee?
The Ergoflex mattress offers excellent durability and a 10-year guarantee period.
This is similar to other mattress brands, with the exception of Nectar and Dreamcloud mattresses, which come with lifetime guarantees. 😮
Ergoflex is one of the only bed-in-a-box companies that's been in business for longer than its guarantee period.
Regardless of the guarantee period, you should consider changing your bed roughly every 10 years.
Should you buy the Ergoflex 5G mattress?
Ergoflex reviews are overwhelmingly positive, with customers praising the body-hugging orthopaedic support and advanced temperature regulation.
It remains the gold standard for high-density memory foam, offering a sustainably manufactured, medium-firm feel that outlasts most modern rivals.
While the 30-night trial is shorter than some, it provides a vital risk-free window to experience its premium pressure relief first-hand.
Ultimately, it's the best-value choice for those seeking Tempur-level quality without the luxury showroom price tag. 🏆
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![Ergoflex 5G Mattress]()
![Ergoflex 5G Mattress]()
Ergoflex![Ergoflex]()
5G MattressPrice from £ 369The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.The Ergoflex 5G Memory Foam is the UK’s most established bed-in-a-box mattress, combining medium-firm support with deep pressure-relieving comfort in a 23 cm five-layer design.Price from £ 369
Contact Ergoflex UK
Customer service: To contact Ergoflex Mattresses UK directly for complaints, support, or queries, please email them at sales@ergoflex.co.uk, call them on 0800 024 1122, or complete their online web form. Ergoflex Support is available Monday - Friday from 9 am - 5:00 pm.
Registered office: Ergoflex Limited, 246 Park View, Tyne and Wear, NE26 3QX
Table of Contents
Who is the Ergoflex mattress best suited for?
Who is the Ergoflex mattress not suitable for?
How comfortable is the Ergoflex mattress?
In what sizes is the Ergoflex mattress available?
Ergoflex 5G memory foam mattress UK prices
Ergoflex mattress delivery conditions
Frequently asked questions
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Where are Ergoflex mattresses made?
Ergoflex is a UK-based company, but they manufacture their mattresses in the European Union. 🇪🇺
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Can you turn an Ergoflex mattress?
Like most memory foam mattresses, the Ergoflex 5G mattress is not designed to be flipped.
But, the brand does recommend that you rotate the mattress regularly - you should rotate your mattress monthly in the first six months of ownership and every 3 months thereafter.
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Does the Ergoflex mattress smell?
Like most memory foam mattresses, there's likely to be a smell when you first unbox the Ergoflex.
This is called off-gassing.
It is completely safe and normal, and the smell typically dissipates very quickly in a well-ventilated room.
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Can I buy the Ergoflex 5G mattress on Amazon?
The Ergoflex mattress is only available directly from Ergoflex. 🎯
At this time, you cannot purchase the Ergoflex mattress on Amazon or other retailers.
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How long do Ergoflex mattresses last?
Ergoflex mattresses are durable and long-lasting.
Many of their online reviews are from customers who have used their Ergoflex mattress for years.
The brand also offers a ten-year guarantee that will give you peace of mind.
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What are some common Ergoflex mattress complaints?
While most customer Ergoflex mattress reviews are positive, there are some Ergoflex mattress complaints.
Some common Ergoflex problems include:
- There's no room-of-choice delivery.
- It can be easy to cut the mattress when breaking the box seal.
- The Ergo mattress may feel soft around the edges.
- Changing sleeping positions is hard since the mattress is made from a body-hugging memory foam material.
- The mattress may have a funny smell when first unpacked.
It's important to note that not every customer experiences these Ergoflex problems.
Most people still find Ergo Flex mattresses good and would recommend them.
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Is the Ergoflex mattress good if you have asthma?
Asthma [4] is a common lung condition that can cause breathing difficulties.
Those with asthma may struggle to sleep or, in extreme cases, even develop conditions like sleep apnoea.
The Ergoflex mattress and Ergoflex mattress cover are hypo-allergenic and anti-microbial.
Hypoallergenic materials are safe for those with asthma and unlikely to cause an allergic reaction.
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What else does Ergoflex offer?
You need more than just the right mattress if you want to have a truly great night's sleep.
Fortunately, you can also shop for Ergoflex mattress protectors, Ergoflex pillows, and Ergoflex linen.
Let's take a closer look at the Ergoflex sleep accessory collection. 🕵️
Ergoflex mattress protectors
A mattress protector is designed to elongate the lifespan of a mattress by protecting against stains and bacteria.
The Ergoflex-LIFE mattress protector is fully waterproof, breathable, and made with natural materials.
This super-thin Tencel protector uses nano-technology material to provide premium protection without impacting the performance of the Ergoflex memory foam mattress.
It is easy to care for, machine-washable at 40°C, and can be put in the tumble drier at low heat.
Ergoflex pillow
If you like a firmer pillow, the Ergoflex pillow is a great option - though some Ergoflex pillow reviewers find it a little too firm.
It is made from high-density visco-elastic memory foam and delivers excellent ergonomic posture support for your head and neck.
The Ergoflex pillow offers immediate pressure relief and instant comfort.
Ergoflex linen
Ergoflex is partnered with MagicLinen.
You can shop a range of linen bedding, including pillowcases, blankets, duvet covers, and sheets, with MagicLinen.
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References
Alternatively, message us directly via the Contact Us page.