Deal verdict
The Sealy Duchess Contract 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 Dorma Natural 2000 Pocket Sprung Wool Mattress costs £200 less today.
Mattress Online
Usual price
£709 Double
£709 is the usual price. You can safely ignore any countdown timer. It's been £709 or less for 100% of the 65 days we've tracked.
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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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| Sealy Duchess Contract Mattress | Dorma Natural 2000 Pocket Sprung Wool Mattress | |
|---|---|---|
| Firmness | Medium firm | Not stated |
| Warranty | 5 years | 20 years |
| Mattress type | Not stated | Pocket sprung |
| 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.