Deal verdict
The Silentnight Memory Cool 3000 Box Top Mattress is the better deal today.
It is at its usual price, while the Dormeo Fresh Deluxe Memory Foam Mattress has been cheaper. The Dormeo Fresh Deluxe Memory Foam Mattress costs £140 less today.
Silentnight
Usual price
£879 Double · Memory foam
£879 is the usual price. You can safely ignore any countdown timer. It's been £879 or less for 54% of the 154 days we've tracked.
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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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| Silentnight Memory Cool 3000 Box Top Mattress | Dormeo Fresh Deluxe Memory Foam Mattress | |
|---|---|---|
| Mattress type | Memory foam | Memory foam |
| Warranty | 2 years | 15 years |
| Firmness | Not stated | Medium soft |
| Sizes | Single, Double, Small Double, King, Super King | Single, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.