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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My experience in purchasing Ergoflex…
My experience in purchasing Ergoflex mattress has been positive. My mattress was delivered as promised. I was kept informed throughout. My wife, has said that, she sleeps better and wakes feeling less aches and pains than with our previous mattress.
7 January 2026
Amazing mattress!!
16 January 2026
nice to sleep on
7 January 2026
The most comfortable nights’ sleep I have ever had!
Absolutely fantastic customer service & wonderful mattresses; I have bought 2 & they are so comfortable. Sleeping better than I have done in years & look forward to getting into bed every night.
Also, love the fact they are vacuum packed rolled as I was unable to get anything else up my cottage stairs!
Would highly recommend :)
13 January 2026
mattress & a pillow
I ordered the mattress & a pillow. Both arrived quickly. I have found both to be very comfortable and the aches & pains I was having when waking up have gone. Very pleased.
7 January 2026
Ergoflexxxxxxxxxx.
Great product at a great price, promotes a comfortable night's sleep.
13 January 2026
Second Ergoflex mattress…
This is the second Ergoflex mattress I’ve bought, the first one lasting me over 10 years before I decided to refresh. These are the best mattresses I have ever slept on, super comfortable and especially good if you have back problems. 10 out 10
13 January 2026
The content on the website really…
The content on the website really impressed me everything was explained i plain english the photo showing how the mattress was made clear ,the presentation really impressed me
So I ordered 2 double size 5G mattresses,I had a problem placing my order customer service helped me complete my order & explained every step up to the delivery,every step was as explained
the quality was obvious when we re moved the packaging.
I have slept for a full eight hours all week end for the first time in the last 5 years & felt refreshed in the morning , this i haven't done as I have chronic rhumetoid arthritis, this mattress has made all the difference
I made the purchase because the customer service was helpful polite and answeres all my questions,
the order was placed & delivered promptly on time, & as I said i had the best sleep in years
I would recommend Ergoflex to anyone ,thsy are pleasant helpful people ,they know their product & value each &every customer .
so well done to all the staff at Ergoflex it's a pleasure th have made my purchase with you
a very happy customer
11 January 2026
Unprompted review
If I could give Zero I would.
If I could give Zero I would.
Your website banner offering free returns is misleading. Cost me £45 to return the mattress even though it was within the 30 days and I couldn't sleep on it after 1 night. Do not believe the free return.
My back was in bits after 1 day, explained this and explained I have axial spondyloarthritis and that's why we purchased that mattress, the owner female I spoke to on the phone after numerous emails back and forth, told me to carry on using the mattress and it would get better! if a mattress is not comfortable day one, then how on earth would it get any better, especially as I woke up feeling like I had slept on concrete.
Charged £45 to return the bed, very misleading stating free returns.
I offered to return the mattress myself and she stated that I couldn't do that as it would be sent to a charity to use. As they can't resell it as its been slept on, and that the £45 is an admin fee. So not a return fee atall.
Female owner on phone no empathy, no interest, and rude, had to ask her on a couple of occasions not to speak to me the way she was.
I'm sure she will leave a reply on here that will be just as pleasant as the time I spent speaking with her on the phone.
Lesson learned don't buy from here.
She also stated her dad has the exact same condition as me and he uses the same mattress without issue. I highly doubt this. And this response I got just showed how unprofessional she actually was.
18 December 2025
Unprompted review
Reply from Ergoflex
Thanks for your feedback. We’re really sorry that you didn’t get on with the mattress. However, as per correspondence, a condition of our home trial is that the mattress is used for 21 days before processing a free return. This is to allow for the natural adjustment process to a new mattress, and the fact that it may take a short time to get used to it. We believe that we are clear about this in our FAQs, terms and during the order process, and would not attempt to mislead our customers. (Please note this is a common condition of many mattress company home trials and isn’t exclusive to Ergoflex.) We hope you find a mattress that helps ease your condition.
My third mattress from Ergoflex
My third mattress from Ergoflex. My family have brought them after my recommendation.
Excellent value, so comfortable and great service.
9 January 2026
All round great experience!
9 January 2026
My second excellent Ergoflex mattress
This is my second Ergoflex mattress I had the first be for 9.5 years and loved it . Love the new one more firm but so comfortable and not hot. Online purchase and delivery were great
7 January 2026
The double mattress was delivered…
The double mattress was delivered promptly and fitted the bed frame perfectly
Very happy with the quality and comfort of the mattress!
26 December 2025
Order delay and acidic customer services.
Acidic Customer services.
We have ordered from them previously but this order was delayed by over a month with me having to chase the order and when asked about an exchange was ignored. Please be sure to read the T&CsFULLY before ordering from them.
Customer services needs overhaul as whoever they employ for this role has complete lack of empathy.
Took business elsewhere.
8 December 2025
Unprompted review
Reply from Ergoflex
Thank you for taking the time to get in touch. We appreciate the opportunity to clarify the situation and understand how the delay may have been frustrating.
When your order was placed, an out-of-stock notification was displayed at checkout advising that the selected item was unavailable at that time. This notice explained that we would contact you once new stock arrived, which was expected towards the end of November.
We apologise that we did not contact you prior to 28/11. However, there was no update available before this date, as outlined on our website — we would be in touch as soon as new stock arrived. Stock was received on the morning of 28/11, and we contacted you as soon as this occurred.
We always aim to be fair and transparent in our approach. Our terms and conditions are available to view on our website prior to purchase.
Please don’t hesitate to get in touch if there’s anything further we can help with.
Unfortunately we have had a very bad…
Unfortunately we have had a very bad experience with this company. The mattress should have been delivered nearly a week ago. We were not informed of any delay. Their response has been completely unsatisfactory. No information about when it would be delivered, why there was a delay. They apologised and that was it
14 December 2025
Unprompted review
Reply from Ergoflex
Thank you for your feedback, and please accept our sincere apologies for the delay to your delivery. Unfortunately, due to a particularly busy Christmas period at one of our delivery partner depots, combined with a temporary operational issue at the same location, our customer service team were unable to provide a confirmed delivery date in their daily updates, and we’re very sorry for the frustration this caused.
We’re pleased to see that your mattress has now been successfully delivered and that an alternative dispatch was not required. As always, if there’s anything further we can help with, please don’t hesitate to contact us at sales@ergoflex.co.uk or on 0800 024 1122.
Top customer service
The customer service people were very responsive and helpful.
My delivery was for a destination outside the EU so there were a few more steps in the ordering and delivery process but the staff made it as straightforward as possible.
11 December 2025
Great customer experience, lovely mattress
The mattress is great but what really stood out to me was the customer service. I ordered from outside the country, and they were so flexible and patient helping me figure out the logistics. The responses were quick and friendly. It was overall just a wonderful experience.
The mattress arrived quickly, was easy to set up, and is very comfortable so far (I'm only 2 days in but so far so good!).
4 December 2025
Unprompted review
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