Vesgantti Classic Box Top Single
A practical mattress (hybrid, medium-firm feel, 26cm deep), best judged against your sleeping position, body weight and the current price.
The Best Firm Mattresses in the UK (2026)
Firmer mattresses keep the body more on top of the surface rather than sinking in. They tend to suit back and front sleepers and heavier body weights, who need more support to keep the spine level. Firmness is subjective, so use it as a guide rather than a guarantee.
Who suits a firm mattress
- Back and front sleepers, who need the hips kept in line with the shoulders.
- Heavier sleepers, who compress a mattress more and can sink too far into a soft one.
- People who feel a soft mattress leaves their lower back unsupported. Side sleepers usually prefer a softer feel.
Our top picks
#1
#2 
Vesgantti Hybrid Memory Foam
A practical mattress (hybrid, medium-firm feel), best judged against your sleeping position, body weight and the current price.
#3
Vesgantti Classic Box Top Small Double
A practical mattress (hybrid, medium-firm feel, 26cm deep), best judged against your sleeping position, body weight and the current price.
#4
Vesgantti Classic Box Top
A practical mattress (hybrid, medium-firm feel, 26cm deep), best judged against your sleeping position, body weight and the current price.
#5
Vesgantti Hybrid Memory Foam Small Double
A practical mattress (hybrid, medium-firm feel), best judged against your sleeping position, body weight and the current price.
#6
Vesgantti Hybrid Memory Foam Double
A practical mattress (hybrid, medium-firm feel), best judged against your sleeping position, body weight and the current price.
#7 
Dosleeps Memory Foam Tencel Fabric
A practical mattress (orthopaedic hybrid), best judged against your sleeping position, body weight and the current price.
#8
Vesgantti Classic Box Top King
A practical mattress (hybrid, medium-firm feel, 26cm deep), best judged against your sleeping position, body weight and the current price.
#9
Vesgantti Hybrid Memory Foam King
A practical mattress (hybrid, medium-firm feel), best judged against your sleeping position, body weight and the current price.
#10 
Dosleeps Memory Foam Pocket Sprung Small Double
A practical mattress (orthopaedic hybrid, medium-firm feel, 25cm deep), best judged against your sleeping position, body weight and the current price.
Frequently asked questions
Is a firm mattress better for your back?
Not always. Many people find firmer support comfortable, but too firm can create pressure for side sleepers and lighter bodies. The aim is a neutral, level spine - this is general guidance, not medical advice.
What does medium-firm mean?
Medium-firm sits between cushioned and very supportive - the most popular all-round feel, suiting a wide range of sleepers and body weights.
Bottom line
Our top pick is the Vesgantti Classic Box Top Single (our score 9.6/10) - A practical mattress (hybrid, medium-firm feel, 26cm deep), best judged against your sleeping position, body weight and the current price..