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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Scamming customers
Please do yourself and your backside a favour and don't buy this mattress or any products from this company. My back is in severe pain after almost a year I bought this in November 2024 so I'm using this death trap satanic 3 foam mattress for this long is a record! I must really love being in pain then! I bought a double and they are always half price on sale this is a red flag! I tried to contact support like many others and got a long-winded wall of text and the middle finger, and a computer says no response. This is a complete scam and I fell for it! They said there is nothing physically wrong with this after I sent them the images and truthful answers. So they will turn around and blame the divan or something else to refuse you the refund that's how these mattress companies work they sell a false warranty behind a load of words that mean nothing and they can charge a fortune for a bit of foam pieces glued together! I will be notifying citizens advice to try and claw back my money! I tried all the above! What a con! I cannot believe this I'm extremely upset and all of this pain and frustration for nothing! I cannot bend over and my lower side is in agony.
1 September 2025
Unprompted review
Reply from Ergoflex
Thanks for your feedback. We’re sorry that you have had an issue with your mattress, but as discussed we could not determine a warrantable problem. Our warranty is related to manufacturing and/or material faults, and we are always willing to address and rectify any issues that fall under this category. Unfortunately our warranty cannot cover comfort preferences, and this is why we have a free home trial period. We believe that your case falls under comfort preference and therefore cannot replace/refund the mattress under warranty. Additionally, we note that several of your remedies, including the use of Dettol detergent on the foam, are likely to have degraded the mattress performance.
As an aside, we strongly reject suggestions that we’re ‘scamming’ customers in any way. We take care that all information on our website and communications is as transparent and fair as possible, before, during and after purchase. Our warranty, along with all of our trading policies, is clearly detailed on our website. Again, we regret that your issue did not constitute a warrantable claim and fully understand that this is not the outcome that you hoped for, but we must point out for clarity that this does not make the warranty ‘false’.
In summary, I’m sorry that we cannot just give you a full refund after a year of use as you wished. Should you feel that our assessment is incorrect, we can help to arrange an independent assessor to come to your home and produce a report and finding. This will be in line with the very clear warranty terms. We note that this may not be suitable in this scenario as you stated you have already purchased another mattress and have no desire for a replacement, simply a full refund.
NOT FREE RETURNS AT ALL BEWARE…
Your website banner offering free returns is misleading. Cost me £45 to return the mattress even though it was within the 30 days and we didn't like it. Do not believe the free return
8 August 2025
Unprompted review
Reply from Ergoflex
Thank you for your feedback. As discussed, our home trial and free returns offer is based on trying the mattress to determine comfort suitability. It does not apply, as in this case, when the mattress is not unboxed and tried. We do try and make this clear on our website and throughout the order process and absolutely do not intend to mislead our customers.
Our second Ergoflex
Our second Ergoflex. We got one earlier in year and after using it our other room's mattress just felt so bad. Supportive and comfortable mattress. Fantastic price and quick delivery. Easy to use website and no pushy sales teams.
13 October 2025
Ordering was easy and delivery was…
Ordering was easy and delivery was quick. Very happy with the product.
6 October 2025
I recently bought the queen size…
I recently bought the queen size mattress and I can honestly say that I have never experienced a better service anywhere - and the mattress is WOW.
I no longer feel like I’m lying on rocks and the trigger spots of my fibromyalgia have gone. It does feel a little firm at first and takes a few days to get used to but if you want to sleep without pain, I highly recommend this mattress.
An overall 10/10 experience - thank you Ergoflex.
19 September 2025
Unprompted review
Excellent service all round
We had our previous Ergoflex for over 10 years but we decided to treat ourselves to a replacement. Did look at alternatives but decided to stick with the company we knew. Emailed them and customer services rang back and we purchased our replacement over the phone. Excellent service keeping us informed all the time ref delivery. You have a trial period to use/return it and although we were going to register the guarantee immediately customer service still suggested we should make use of the trial period to ensure we were totally happy with our purchase so we did and we were. Excellent service all round and if, like us, you're not computer savvy it is just so easy to do everything over the phone.
11 September 2025
Unprompted review
really happy with product and service
really happy with product and service
delivery was on time
the mattress is fantastic
3 October 2025
This is the best mattress I have ever…
This is the best mattress I have ever slept on around the world home anywhere
3 September 2025
Really comfortable mattress
Really comfortable mattress. Took just a few hours to be usable and high quality. Price was amazing and it beats spring mattresses for support easily. I’m sure will last for many years to come.
7 October 2025
Mattress
My last mattress was a memory foam and I found this to be the best for me
When renewing my mattress the ergoflex was on promotion with the 60 nights trial
The mattress is very comfortable and I have had no issues whatsoever since day 1
I also bought the pillows and find these are great as well
6 October 2025
Quick delivery and a very comfortable…
Quick delivery and a very comfortable and supportive mattress.
27 September 2025
Be aware of what you are putting the mattress onto
Buyer beware.
We bought 3 mattresses a double, a king and a super king.
We noticed the super king lost its support over time (3 years)
Contacted them and after lengthy emails with photos etc they blamed the base it’s sat on which is bed frame with slates that have a very slight curve.
The other 2 beds also have similar bed frames but as they are smaller they have straight slates.
Absolutely gutted to have spent so much money with them to receive no help. I was sold by “warranty” which by the way you have to apply for even if you buy direct from them and have the online receipt.
So after 3 years we have had to buy a new mattress from dreams I was clear with the store and showed them the bed frame and they said their mattress would be covered by warranty regardless of the bed frame. So there you go a lesson learnt.
2 October 2025
Unprompted review
Reply from Ergoflex
Thank you for your feedback. We're genuinely sorry to hear that your experience with one of your Ergoflex mattresses hasn’t met your expectations.
As we've discussed in our previous correspondence, we believe the issue you're experiencing is related to the bed base used with this particular mattress. Since the problem does not stem from a material or manufacturing fault, it unfortunately falls outside the scope of our warranty coverage.
We completely understand that this isn't the resolution you were hoping for, and we sincerely apologise for any disappointment caused. Please know that we value you as a customer, and it’s never our intention to leave you feeling let down.
Rest assured, all three of your Ergoflex mattresses remain fully covered under our warranty for any eligible issues, and our aftercare team is always here to support you should any concerns arise in the future.
I love this mattress
I love this mattress. Somehow manages to feel soft and supportive at the same time. Very comfortable nights sleep
22 September 2025
Comfortable mattresd
It was easy to order the mattress online and it came in a box and was easy to maneuver into bedroom to unpack.
19 September 2025
Great mattress
It was with great sadness that I threw out my old Ergoflex mattress, after 17 years of use, and replaced it with the newer version. The old one still seemed as good as new and could easily have lasted a few more years but the decision was made. I am happy to report that the new version is as good as the old. To me it feels slightly different from the previous one, but only a little. I still get a great sleep and backaches are still a thing of the past. Really glad I bought another one instead of trying something else.
26 September 2025
Excellent service
Excellent service, this was the second ergoflex mattress we had ordered. As previous customers stated it felt quite firm at first but after a few nights of getting used to it we love it, best mattress ever.
26 September 2025
Second mattress from Ergo
Second mattress from Ergo, excellent product, didn’t even consider other brands when we decided on a new mattress
23 September 2025
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