Advertising Disclosure
Best Firm Mattress Uks of 2026
Best Choice
1
SilentnightSilentnight Miracoil Ortho Mattress, Extra Firm, King
9.9
Exceptional
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Show more
2
slilyslily 12 Inch 5ft King Mattress, King Size Mattresses Memory Foam Pocket Sprung, 7-Zone Orthpaedic Mattress for Pressure Relief Motion Isolation, Hybrid Mattress Medium Firm (150x200x30cm)
9.8
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
3
dosleepsdosleeps King Size Mattress 5FT | 10.6" Extra Thick Memory Foam & Pocket Sprung | 9-Zone Orthopedic Support,Medium Firm,Motion Isolation,Edge Support 150x200x27cm
9.6
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Show more
4
TwirestTwirest King Size Mattress 5FT, 150 x 200 x 22 cm Hybrid Memory Foam & Sprung Mattress, Medium Firm, Breathable Cover, Mattress in a Box for UK King Bed
9.4
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Value for Money
5
dosleepsdosleeps King Size Mattress 5FT | 10" Memory Foam & Pocket Sprung | 9-Zone Orthopedic Support, Breathable Cover, Motion Isolation,Edge Support,Medium Firm 150x200x25cm
9.3
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Show more
6
NineLanNineLan Orthopaedic King Size Mattress 5FT for Back Pain Relief, 10.6 Inch Hybrid 7-Zone Pocket Sprung Mattress with Cooling Gel Memory Foam & Breathable Knitted Cover, Medium Firm, 150x200x27cm
15% Off Limited Time Deal
9.0
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
TeQsliTeQsli 10 Inch 7-Zone Orthopaedic King Mattress, 5FT Gel Memory Foam & Pocket Sprung Hybrid King Size Mattress for Pressure & Back Pain Relief – Medium Firm – Edge Support – 150x200x25cm
22% Off
8.7
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
BEDZONLINEBEDZONLINE Hybrid Memory Foam & Spring Mattress - UK King | 200 x 150 x 20 cm | Breathable & Hypoallergenic | Medium-Firm Support | Standard Tight Top Comfort | Durable & Long-Lasting
8.6
Very Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Show more
9
NovillaNovilla 3FT Single Mattress - 25cm Medium Firm Hybrid Mattresses | UK Pocket Sprung & Foam for Orthopedic Support & Luxury Comfort, Soft-Touch Cover, Mattress in a Box (90x190cm)
8.3
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
10
MatoresuMatoresu Hybrid Firm Kingsize Mattress (150x200cm) – Extra Firm Support for Back Pain, Side Sleepers & Elderly, 25cm 7-Zone Pocket Sprung for Pressure Relief, Motion Isolation & OEKO-TEX Certified
8.1
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
