Deal verdict
Both have been cheaper. It's worth waiting on either.
The Dormeo Fresh Deluxe Memory Foam Mattress costs £10 less today.
Dormeo
Worth waiting
£739 Double · Memory foam
It's been cheaper. It was £359 on 12 Nov 2026. It's been £739 or less for 100% of the 155 days we've tracked.
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Mattress Online
Worth waiting
£749 Double · Pocket sprung
It's been cheaper. It was £598 on 10 Sep 2026. It's been £749 or less for 100% of the 155 days we've tracked.
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| Dormeo Fresh Deluxe Memory Foam Mattress | Wentworth Mercer Deluxe Wool 3000 Pocket Mattress | |
|---|---|---|
| Firmness | Medium soft | Medium |
| Mattress type | Memory foam | Pocket sprung |
| Warranty | 15 years | 5 years |
| Sizes | Single, Double, King, Super King | Single, Small Double, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.