Deal verdict
Too early to call.
We need 30 days of prices for the Imperial 3500 Pocket Sprung Mattress before judging the deal.
Happy Beds
Not enough history yet
£364.99 Double · Pocket sprung
£364.99 today. We started tracking this on 13 Nov 2026. A verdict needs 30 days of prices.
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
| Imperial 3500 Pocket Sprung Mattress | Dorma Natural 2000 Pocket Sprung Wool Mattress | |
|---|---|---|
| Mattress type | Pocket sprung | Pocket sprung |
| Warranty | 5 years | 20 years |
| Sizes | Small Single, Single, Small Double, 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.