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.
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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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A Great Replacement to Earlier Ergoflex
A replacement to a much earlier Ergoflex that lasted well past the original 10 year guide life that was great for all that time. The new one is still a great product, super comfy, excellent nights sleep and continue’s the product line superbly well. No complaints very glad to have made another purchase of this Mattress type and definitely well recommended.
1 April 2026
Paul T Colchester
Company staff were very helpfull in my decision to purchase my double mattress.
Best mattress I have ever had.
19 March 2026
Unprompted review
Very worth it!
Had the mattress for about a month now and it is indeed much better than dunlopillo which I had before. It moulds indeed on your back and my back aches have now reduced. I bought two single mattresses for two single divan beds next to eachother as my husband is suffering from restless leg syndrome and would keep me awake. This solution was a godsend because these mattresses do not make a wave when the other person is moving. Also the price was very good compared to other much lower quality mattresses. All worth it indeed.
26 March 2026
Loving this mattress
Loving this mattress. Very supportive. Can honestly say I have had no back pain since sleeping on this mattress.
25 March 2026
I was sceptical to change to a memory…
I was sceptical to change to a memory foam mattress, it was a friend who recommended ergoflex, said he went to a bed and breakfast for the weekend and had the gest nights sleep, he asked the owner what mattress it was as it felt like sleeping on a cloud , he bought one when he got home , i read the reviews with very little negatives. So bought a super king one , five years later I can honestly say its the best mattress I have ever slept on , I miss it lol when on holiday and look forward to bed time each night . Highly recommend this mattress.
21 March 2026
Unprompted review
Took a gamble on this mattress as it's…
Took a gamble on this mattress as it's more than I usually have paid but glad I did. Very comfortable and supportive.
14 February 2026
Unprompted review
Comfortable but not firm.
Comfortable but not firm.
This is the second ergoflex mattress I’ve purchased, this one was ann upgraded one, it claims to be medium to firm but in my opinion it it soft to medium. It’s not as supportive for my back as I would have liked. I hope it doesn’t get any softer.
16 March 2026
Fantastic service,quality of product…
Fantastic service,quality of product and worth every penny. This purchase was for a replacement Ergoflex to replace my 14 year old Ergoflex mattress which has given me endless good nights sleep. You definately get what you pay for. Absolute comfort. Now I am 81 years of age the support for my entire body is perfect.
I highly recommended this company .
11 March 2026
Unprompted review
Highly recommended
We have replaced an existing ergo flex mattress so are already converts. The service was great. Although the item I wanted was not in stock when i ordered I was notified when it was available and it was delivered quickly after that.
The mattress is extremely comfortable and s I suffer from tendinitis in my hips it allows me to sleep comfortably.
Highly recommended.
2 March 2026
Fantastic Customer Service
I bought a mattress and I absolutely love it so far. Easy to unpack and very comfortable. However I am leaving a review due to the brilliant customer service. I decided to order the mattress protector but unfortunately DPD kept failing to bring the package to the door. Customer service were extremely helpful in re-arranging the delivery with fast responses and finally getting the item delivered on the 4th attempt. Top customer service. Thank you!
6 March 2026
Unprompted review
Our new mattress
Good service and an excellent mattress. Would buy again and recommend to others.
6 March 2026
The mattresses are excellent
The mattresses are excellent, as previous ones have been. Delivery was on time. The one thing missing is the lack of a disposal service for old mattresses, this would have been very welcome
6 March 2026
Highly recommend Ergoflex
Easy to order, online. Good communication about delivery date. Excellent mattress at a very reasonable price 👍
This is our second Ergoflex mattress and we are not disappointed.
6 March 2026
Great mattress
Great mattress. Great company to deal with. Have bought 3 previous mattresses at least 10 - 15 years ago from this company and they’re all still going strong!
4 March 2026
Fantastic nights sleep
So easy to order, delivered promptly and the mattress has totally transformed my sleep for the better.
The only thing worth noting is it’s extremely heavy (it was a Superking) and the driver wasn’t able to move it alone.. he asked for my help and I’m a 66 year old woman, thankfully very fit but maybe double handed delivery for the larger mattresses??
2 March 2026
Great company
Great company, fantastic quality !!! I’ve been looking for a quality memory foam mattress and based on the reviews and the fact they Ergoflex have been at it for 20 years absolutely made the decision for me. I’m really over the moon with the comfort and quality of the mattress.
2 March 2026
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