Extra Firm Mattresses
Every mattress in this category is physically assessed before it goes live.
Not sure which mattress to choose? Try our 60-second match.
7 mattresses found
Price DNA live saving
Highgrove
The Rock Mattress
Single · Foam
Approved ManufacturerFrom the lowest priced size
£349
Price DNA live saving
Sweet Dreams
Traditional Pocket Firm 2000 Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£349
Save £250
below typical market price · 42% less than comparable mattresses
Price DNA scanned 30 Oct 2026
Price DNA live saving
Woolsmith
Heritage Extra Firm 2000 Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£799
Save £3,011
below typical market price · 79% less than comparable mattresses
Price DNA scanned 30 Oct 2026
Price DNA live saving
Woolsmith
Heritage Support 3000 Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£849
Save £2,961
below typical market price · 78% less than comparable mattresses
Price DNA scanned 30 Oct 2026
Price DNA live saving
Woolsmith
Heritage Extra Firm 3000 Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£849
Save £2,961
below typical market price · 78% less than comparable mattresses
Price DNA scanned 30 Oct 2026
Price DNA live saving
Harrison Spinks
Harrison Spinks Ortho Deluxe 7750 Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£999.99
Save £230.01
below typical market price · 19% less than comparable mattresses
Price DNA scanned 30 Oct 2026
Price DNA live saving
Harrison Spinks
Harrison Spinks Ortho Elegance 13750 Pocket Spring Mattress
Single · Pocket Spring
Approved ManufacturerFrom the lowest priced size
£1,099.99
Save £130.01
below typical market price · 11% less than comparable mattresses
Price DNA scanned 30 Oct 2026