Deal verdict
The Harrison Spinks Knaresborough 3750 Pocket Ortho Mattress is the better deal today.
It is at a genuine low, while the Dormeo Fresh Deluxe Memory Foam Mattress has been cheaper. The Dormeo Fresh Deluxe Memory Foam Mattress costs £5 less today.
Mattress Online
Good time to buy
£744 Double · Pocket sprung
£744 is a genuine low. Today is the only day in the 65 days we've tracked it's been this cheap.
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Dormeo
Worth waiting
£739 Double · Memory foam
It's been cheaper. It was £359 on 12 Nov 2026. It's been £739 or less for 100% of the 155 days we've tracked.
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| Harrison Spinks Knaresborough 3750 Pocket Ortho Mattress | Dormeo Fresh Deluxe Memory Foam Mattress | |
|---|---|---|
| Firmness | Firm | Medium soft |
| Mattress type | Pocket sprung | Memory foam |
| Warranty | 5 years | 15 years |
| Sizes | Double, King, Super King, Emperor | Single, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.