Deal verdict
The Harrison Spinks Quilted Fusion 12000 Pocket Mattress is the better deal today.
It is at a genuine low, while the Dormeo S Plus Evolution Memory Foam Mattress has been cheaper. The Dormeo S Plus Evolution Memory Foam Mattress costs £159 less today.
Mattress Online
Good time to buy
£1,328 Super King · Pocket sprung
£1,328 is a genuine low. It's been this cheap for only 5% of the 246 days we've tracked. The lowest in that time was £1,324.
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Dormeo
Worth waiting
£1,169 Super King · Hybrid
It's been cheaper. It was £729 on 12 Nov 2026. It's been £1,169 or less for 100% of the 32 days we've tracked.
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| Harrison Spinks Quilted Fusion 12000 Pocket Mattress | Dormeo S Plus Evolution Memory Foam Mattress | |
|---|---|---|
| Firmness | Medium soft | Not stated |
| Mattress type | Pocket sprung | Hybrid |
| Warranty | 5 years | 15 years |
| Sizes | Super King | Single, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.