Deal verdict
The Dormeo Sereno Foam Mattress is the better deal today.
It is at its usual price, while the Dorma Natural 2000 Pocket Sprung Wool Mattress has been cheaper. The Dormeo Sereno Foam Mattress costs £174 less today.
Dormeo
Usual price
£335 Double · Memory foam
£335 is the usual price. You can safely ignore any countdown timer. It's been £335 or less for 100% of the 153 days we've tracked.
Checked
Dunelm
Worth waiting
£509 Double 4ft 6 · Pocket sprung
It's been cheaper. It was £409 on 13 Nov 2026. It's been £509 or less for 100% of the 89 days we've tracked.
Checked
| Dormeo Sereno Foam Mattress | Dorma Natural 2000 Pocket Sprung Wool Mattress | |
|---|---|---|
| Firmness | Medium firm | Not stated |
| Mattress type | Memory foam | Pocket sprung |
| Warranty | Not stated | 20 years |
| Sizes | Single, Double, King, Super King | Single 3ft, Small Double 4ft, Double 4ft 6, Kingsize 5ft, Super Kingsize 6ft |
Specs are the figures each retailer publishes. Prices are for the size shown above.