Deal verdict
The Silentnight Extra Firm Miracoil Mattress is the better deal today.
It is at a genuine low, while the Romantica Serenade Ortho Mattress has been cheaper. The Romantica Serenade Ortho Mattress costs £11 less today.
Mattress Next Day
Good time to buy
£215 Double · Open coil
£215 is a genuine low. Today is the only day in the 69 days we've tracked it's been this cheap.
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Mattress Online
Worth waiting
£204 Double
Shown as reduced from £215
It's been cheaper. It was £188 on 12 Oct 2026. It's been £204 or less for 100% of the 117 days we've tracked.
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| Silentnight Extra Firm Miracoil Mattress | Romantica Serenade Ortho Mattress | |
|---|---|---|
| Firmness | Extra firm | Firm |
| Mattress type | Open coil | Not stated |
| Warranty | Not stated | 1 year |
| Sizes | Size not stated, Single, Small Double, Double, King | Single, Small Double, Double, King |
Specs are the figures each retailer publishes. Prices are for the size shown above.