Deal verdict
Too early to call.
We need 30 days of prices for the Copper Fresh Envy 4000 Mattress before judging the deal.
Mattress Online
Not enough history yet
£484 Double
£484 today. We started tracking this on 14 Nov 2026. A verdict needs 30 days of prices.
The chart appears once we have more than one day of prices. We started tracking this on 14 Nov 2026.
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
| Copper Fresh Envy 4000 Mattress | Dorma Natural 2000 Pocket Sprung Wool Mattress | |
|---|---|---|
| Firmness | Medium | Not stated |
| Warranty | 5 years | 20 years |
| Mattress type | Not stated | Pocket sprung |
| Sizes | Single, Small Double, Double | 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.