Deal verdict
The Kingfisher Foam Waterproof Contract Mattress is the better deal today.
It is at a genuine low, while the Comfortzone Foam Mattress has been cheaper. The Comfortzone Foam Mattress costs £17 less today.
Dunelm
Worth waiting
£129 Double · Foam
It's been cheaper. It was £99 on 13 Nov 2026. It's been £129 or less for 100% of the 41 days we've tracked.
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Mattress Next Day
Good time to buy
£146 Double · Foam
£146 is a genuine low. Today is the only day in the 119 days we've tracked it's been this cheap.
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| Comfortzone Foam Mattress | Kingfisher Foam Waterproof Contract Mattress | |
|---|---|---|
| Mattress type | Foam | Foam |
| Warranty | 5 years | 5 years |
| Firmness | Not stated | Medium firm |
| Sizes | Single, Small Double, Double, King | King, Single, Small Double, Double |
Specs are the figures each retailer publishes. Prices are for the size shown above.