Deal verdict
Too early to call.
We need 30 days of prices for the Imperial 3500 Pocket Sprung Mattress before judging the deal.
Mattress Next Day
Good time to buy
£363 Double
£363 is a genuine low. Today is the only day in the 64 days we've tracked it's been this cheap.
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Happy Beds
Not enough history yet
£364.99 Double · Pocket sprung
£364.99 today. We started tracking this on 13 Nov 2026. Its verdict is due in 27 days, once we have 30 days of prices.
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| Dormeo Octasmart Premium Deluxe Mattress | Imperial 3500 Pocket Sprung Mattress | |
|---|---|---|
| Firmness | Soft | Not stated |
| Warranty | 18 years | 5 years |
| Mattress type | Not stated | Pocket sprung |
| Sizes | Size not stated, Single, Double, King | Small Single, Single, Small Double, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.