Jax Mattress
- In-stock
- Finance available
- Free delivery
- Returns
- Feature: Hypoallergenic
- Support: Traditional Sprung
- Feel: Firm
- Brand: Bensons for Beds
From £339.98
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BedBoy Score
A composite score drawn from aggregated customer sentiment across verified reviews, with construction-type benchmarks for categories where reviewer commentary is limited. See our scoring methodology.
across 8 measured categories
Per-category breakdown below. The composite is the unweighted mean of every scored category, rounded to one decimal place.
- Brand
- Bensons for Beds
- Retailer
- Bensons for Beds
- Delivery time
- Good
- Customer sentiment
- Average
- Guarantee
- Excellent
About the Jax Mattress
Last checked
The Jax is defined less by elaborate upholstery claims than by tension: firm, 5 of 5, making it a mattress for resistance first and cushioning second. This is a firmness-led mattress. A maximum-tension rating is a blunt tool compared with zoned pocket-sprung or memory-foam hybrid builds, because it can hold the body flatter but cannot by itself create targeted give at the shoulders and hips. As a proposition, the spec is conservative: the selling point is simply a very firm sleep surface, not a stack of pressure-relieving foams, natural fillings or profile-aware spring zones. That does not make it pointless; firmer mattresses can feel reassuringly stable for people who dislike sink, and several positive experiences describe it as exactly as described rather than unexpectedly soft. The practical caution is that “firm” is doing a lot of work. In real bedrooms, a firm mattress can feel supportive when body weight is spread along the back, yet harsh when weight is concentrated through the shoulder or hip, which is why the same tension can divide opinion sharply.
The hard surface is best matched to back sleepers and some front sleepers, especially where the aim is to avoid the hammock effect that a softer comfort layer can create through the lower back. Praise clusters around three things: it feels properly firm, sits at a sensible depth on children’s or spare-room bed frames, and offers decent value for use that is not necessarily every night. Pressure relief is the weak spot. The complaints are not only from people who dislike firm mattresses; repeated negative feedback describes an unyielding, board-like feel, springs becoming noticeable within weeks or months, and early sagging or fabric distortion, which undermines the support promise behind a firm label. One strand of positive feedback mentions breathable material and a non-memory-foam feel, so hot sleepers who dislike foam hug may find the simpler surface easier to tolerate, but there is not enough repeated sentiment to treat cooling as a main strength. Couples with different preferences need caution, because a firm, low-sink feel gives little compromise to a lighter side sleeper while suiting the partner who wants a flatter surface. The Jax lands well as a spare-room mattress or a budget back-sleeper option for someone actively wanting a hard, non-memory-foam feel; side sleepers, curvier figures and anyone expecting cushioned pressure relief should move up into a plusher pocket-sprung or hybrid tier.
Pros and Cons
Pros
- Owners describe the mattress as providing excellent support without sagging over time.
- Many buyers find the mattress light and easy to move when repositioning.
- Recent customers appreciate the firm surface, ideal for those who dislike memory foam.
- Most owners report good quality for the price, particularly in spare bedroom use.
Cons
- Several users flagged the mattress as unsuitable for adults due to quality issues.
- Buyers noted durability concerns with sagging and feeling springs after short usage periods.
- A few customers experienced distorted fabric within days of use, indicating poor craftsmanship.
- Some reviews mentioned that mattress firmness did not meet expectations for a comfortable sleep.
Price Tracker
Written by
Gary Ferguson, Research Writer
Last checked by Gary Ferguson on . Scoring follows our scoring methodology.
Specifications
Manufacturer specifications without the jargon, easy to scan and compare.
Reader reviews of the Jax Mattress
BedBoy publishes reader-submitted reviews to broaden the sentiment sample. Reviewer purchase status is not independently verified at submission. For verified-purchase ratings, see the Trustpilot block below. Submit a review, quoting STK792702 in the subject line.
Good value for money, only using for spare bedroom.
A good firm mattress for those who don't like memory foam
Really nice and comfortable. The thickness is perfect for the bed frame and it's firm as described
Lovely mattress, nice and comfortable
Comfy mattress with breathable matterial. This mattress offers good support whilst remaining comfy. Looks great on the bedframe as not too large. I would definitely recommend to anyone thinking of buying a new mattress. Very happy with it.
I had to sleep on the bottom bunk and mattress was firm to medium. I had the best night sleep in ages. My grandchildren say their beds are 'good'.
Nice and comfortable just what I needed to complement the single bed
Good mattress at this offer price, seems to be wearing in nicely with the recommended regular turning
Very comfortable. Solid mattress
Bought this mattress for my granddaughter and she loves if says it's very comfortable
Teenage boys love's it
Fab mattress very comfortable and good quality for the price …
Very pleased with the mattress. My friend's daughter finds it very comfortable (used for 2 weeks so far). Would recommend.
This is a very comfortable mattress, great quality and light to move around when needed. Great price very happy
Great level of firm. Hasn't settled too much. We're enjoying ours and our Madison bed frame.
We bought two single mattresses for our single beds. They are quite firm but comfortable.
Very good, me feel very comfortable to sleep. I recommend bensons mattress.
Items exactly as described. Firm mattresses which are very comfortable. Madison bedframe looks very stylish.
Very comfortable especially for my bad back. A greya buy.
Looked great and comfortable. Bought for childrens beds and they are very pleased with them
Verified retailer reviews
Independent Trustpilot reviews of Bensons for Beds.
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