Deal verdict
Too early to call.
We need 30 days of prices for the Jay-Be Benchmark S1 Comfort Eco Friendly Mattress and the Silentnight Firm Miracoil Classic Mattress before judging the deal.
Mattress Next Day
Not enough history yet
£174 Double
£174 today. We started tracking this on 15 Nov 2026. Its verdict is due in 29 days, once we have 30 days of prices.
The chart appears once we have more than one day of prices. We started tracking this on 15 Nov 2026.
Checked
Dunelm
Not enough history yet
£174.30 Double · Open coil
Shown as reduced from £249
£174.30 today. We started tracking this on 14 Nov 2026. Its verdict is due in 28 days, once we have 30 days of prices.
Checked
| Jay-Be Benchmark S1 Comfort Eco Friendly Mattress | Silentnight Firm Miracoil Classic Mattress | |
|---|---|---|
| Firmness | Medium firm | Firm |
| Warranty | 5 years | 5 years |
| Mattress type | Not stated | Open coil |
| Sizes | Size not stated, Single, Small Double, Double, King | Single, Small Double, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.