Excellent, both delivery & product. Firm mattress with no side give, which as an “edge sleeper” is a rarity. It is quite heavy but manageable, took only 4-6 hours to fully expand & no “new”... See more
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Replaced our old ergoflex, also bought one for our spare bed too. I can’t recommend them enough, so comfortable, worth every penny, have recommended to everyone who will listen. Excellent service, tha... See more
We bought this mattress 5 weeks ago after 10 years on the old one. Myself and my husband are pensioners and both agree that we are having the best night's sleep ever. Although we were expecting to... See more
We had an old Ergoflex mattress that we inherited and used for 7 years and found it very comfortable. We changed to a conventional mattress when we moved and found it to be uncomfortable and when on... See more
Company details
About Ergoflex
Written by the company
Ergoflex - The UK's Original Mattress-in-a-Box - Highest Rated TrustScore
Ergoflex introduced the mattress-in-a-box category in the UK back in 2006 - a full decade before the competition caught on. The Ergoflex 5G is the product of everything we've learned since; premium materials, enduring comfort and an industry-leading 4.8 Trustscore from thousands of independent reviews.
Our signature true high-density disco elastic memory foam contours precisely to your body to relieve joint pressure and ease back pain. The Cool-Sleep airflow system keeps air circulating throughout, ensuring a comfortable temperature. Beneath it all, a high-resilience base layer gives the Ergoflex 5G its legendary durability - no sagging, no compromise in comfort, year after year. With a naturally breathable TENCEL cover that's removable and washable, we've created the perfect sleeping solution - and our customers agree.
As well as class-leading products, Ergoflex® also offers first rate customer service and aftercare. No chat-bots, no automated responses and no extensive wait times on email. Our phone line and email system is staffed by our friendly professional expert team, who are ready to answer any questions or queries you might have.
Check out our reviews then compare to other mattress-in-a-box brands - the difference is clear.
Loved by Customers. Loved by Experts.
Written by the company
- Ergoflex® is a 2025 Which? Best Buy Mattress
- Our mattress has earned another prestigious Best Buy accreditation from leading consumer group Which?, with particular praise for durability, breathability and long-term performance. As the UK's original mattress-in-a-box company, established in 2006, we know that our customers agree.
- Ergoflex® is Recommended by Expert Reviews
- It’s not just our customers who love the Ergoflex® mattress, the team at Expert Reviews do too. Their specialists put our mattress through its paces over an intensive test and found it to be a supportive, back-friendly choice, awarding a much sought-after “Recommended” accreditation.
A Tried-and-Trusted 10 Year Warranty
Promises Kept Since 2006
As the longest-established mattress-in-a-box brand, in business since 2006, we know our mattresses last the distance in the real world. That's why you can trust our ten year warranty - it's not a marketing gimmick, a copycat claim or guesswork - it's the real deal.
Contact info
Save up to 61% against competitors
4.7
Excellent
2k reviews
Asks customers to review
This company invites their customers to review, whether positive or negative
Replied to 87% of negative reviews
Typically replies within 24 hours
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Ergoflex mattress
The experience was good the mattress was sent out on time. The quality of the mattresses is good it’s comfortable to sleep on.
5 December 2025
Really comfy mattress that is a huge upgrade
Really comfy mattress that is a huge upgrade from previous Dormeo. Read the reviews that were all favourable and took a chance as unable to trial or view physical mattress. Appreciate it's a subjective test but I like a firm mattress and wife loves a softer mattress but we're both really happy with how comfy and supportive this is. Came vacuum packed and ready to manoeuvre without any odours. Great quality
28 November 2025
Absolutely hands down the best mattress…
Absolutely hands down the best mattress I've ever had. It took a couple of nights to get used to it but I now feel like I get such a deep and comfortable sleep. My sleep score has massively increased on my Garmin! Honestly, its a game changer. Thanks Ergoflex x
3 December 2025
Excellent mattress
I am very pleased with my Ergoflex mattress. It's great quality and very comfortable. Delivery was swift and efficient.
2 December 2025
Exemplery Customer Service!
Exemplery customer service! Sadly, the mattress wasn't right for me (I so wish it had been) however, my entire experience was faultless from the moment I ordered online to delivery, to collection to full, no quibbles, refund. Kay at Ergoflex was responsive, professional and super-supportive - thank you!
1 December 2025
Unprompted review
Best mattresses on planet for my money
I've had Ergoflex mattresses for the last 15+ years, and wouldn't change brands. I love these firm mattresses – they're of the highest quality, always excellent and brilliantly comfortable.
I work in tech and I'm hunched over a laptop most hours of the day. Yet I have zero back or shoulder problems, in an industry plagued with them. I credit Ergoflex for this. I sleep flat on my back with just a neck roll under my neck, and my body is supported beautifully by this mattress. I wake refreshed and with absolutely no aches or pains.
I can't rate Ergoflex too highly. I'll never swap. And yes, this probably sounds like a paid endorsement but it's absolutely not. I'm nothing to do with Ergoflex... I just rave about them for free.
20 November 2025
I love the mattress
I love the mattress
this is my second purchase
I did not love the delivery.
Delivery driver did not drive to my house
but to the end of the road.
He was on his own.
He dragged the mattress down the road.
I shouted for him to stop
and drive to my door
but he didn't listen.
The box was badly damaged.
Luckily everything was ok inside
but you expect a better service on an expensive item.
21 November 2025
Excellent product for a great price
Very easy to order, quick delivery and simple to open the box and set the mattress up. It completed the process of restoring itself within the time stated. It’s extremely comfortable and much cheaper than the previous mattress we had of this type. Very happy with the quality and price. Would recommend this mattress to anyone looking for a great mattress at a very competitive price to similar products.
19 November 2025
The comfy mattress
This is my second mattress from ergoflex. They are so comfy once you get used to them.
Highly recommend cheaper than tempur but just as good.
25 November 2025
Very relaxing and comfortable matress
Very relaxing and comfortable matress. Excellent customer service
24 November 2025
The bed is both comfortable and…
The bed is both comfortable and supportive, from the first night I have had amazing sleep. Both of us are really happy. Thank you. 😊😴
24 November 2025
Fab night’s sleep
I had a memory foam mattress years ago and when I replaced it I bought one with springs and memory foam. Over the last 6 months I realised I needed to replace it as it was becoming so uncomfortable. I ordered an Ergofllex mattress because it was on offer and saw that the reviews were really good. The first night’s sleep was so comfortable and it made me realise how much I missed my memory foam mattress !!
Delivery was really quick and the price was amazing and I’m back to having a good night’s sleep again. Would definitely recommend Ergoflex to anyone looking to replace their mattress.
22 November 2025
Comfiest mattress ever
I bought my first Ergoflex mattress 10 years ago and have never looked back. I am now on my third - the first one is still going strong and as comfortable as ever, and we have purchased another for our spare room and our daughter's room. As somebody who easily gets too hot in bed, I love that the mattress disperses heat so that it keeps you evenly cool. Every night I get into bed and still have that "aaah how comfy" moment, even after 10 years it's still a joy to get into.
13 February 2025
Getting an excellent nights sleep.
Getting an excellent nights sleep.
Ergoflex as a company, has a very good communication attitude towards its customers, during the purchasing process, and after sales.
20 November 2025
Brilliant mattress
Brilliant mattress! Had one years ago. Bought from another brand about 5 years ago & instantly regretted it! Ergoflex is the only brand I’ll buy memory foam from again.
12 November 2025
Very happy with purchase of Ergoflex mattress
Delivered on time, completely satisfied with comfort of mattress, helped with backache problems
18 November 2025
Pressure point relief is brilliant.
I've spent a fortune, trying to get one of the original types of mattress topper. Then, I found this matress online. I have fibromyalgia and can't sleep for the discomfort and I wake up in agony.
This mattress has eased my pressure points pain considerably and improved my sleep no end.
Thank you.
14 November 2025
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