Deal verdict
Too early to call.
We need 30 days of prices for the Miracoil Serenity Ortho Mattress and the Jay-Be Flex Ultra-Firm Open Coil Spring Mattress before judging the deal.
Furniture Village
Not enough history yet
£359 Double · Open coil
Shown as reduced from £459
£359 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
Happy Beds
Not enough history yet
£339 Double · Open coil
Shown as reduced from £469
£339 today. We started tracking this on 13 Nov 2026. Its verdict is due in 27 days, once we have 30 days of prices. The lowest so far is £319.
Checked
| Miracoil Serenity Ortho Mattress | Jay-Be Flex Ultra-Firm Open Coil Spring Mattress | |
|---|---|---|
| Mattress type | Open coil | Open coil |
| Warranty | 20 years | 5 years |
| Firmness | Not stated | Extra firm |
| Sizes | Double | Single, Small Double, Double, King |
Specs are the figures each retailer publishes. Prices are for the size shown above.