Deal verdict
The Rock Hard Super Firm Foam Mattress is the better deal today.
It is at a genuine low, while the Dorma Natural 2000 Pocket Sprung Wool Mattress has been cheaper. The Rock Hard Super Firm Foam Mattress costs £175 less today.
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.
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Mattress Online
Good time to buy
£334 Double · Foam
£334 is a genuine low. Today is the only day in the 63 days we've tracked it's been this cheap.
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| Dorma Natural 2000 Pocket Sprung Wool Mattress | Rock Hard Super Firm Foam Mattress | |
|---|---|---|
| Mattress type | Pocket sprung | Foam |
| Warranty | 20 years | 10 years |
| Firmness | Not stated | Extra firm |
| Sizes | Single 3ft, Small Double 4ft, Double 4ft 6, Kingsize 5ft, Super Kingsize 6ft | Single, Small Double, Double, King, EU King, Super King, Emperor |
Specs are the figures each retailer publishes. Prices are for the size shown above.