Deal verdict
Too early to call.
We need 30 days of prices for the Giltedge Coolness Summit 1500 Mattress before judging the deal.
Mattress Next Day
Usual price
£729 Double
£729 is the usual price. You can safely ignore any countdown timer. It's been £729 or less for 100% of the 93 days we've tracked.
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Beds on Legs
Not enough history yet
£690 Double
Shown as reduced from £920
£690 today. We started tracking this on 13 Nov 2026. Its verdict is due in 27 days, once we have 30 days of prices.
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| Hypnos Ultimate Ortho Mattress | Giltedge Coolness Summit 1500 Mattress | |
|---|---|---|
| Firmness | Extra firm | Medium |
| Warranty | 10 years | 5 years |
| Sizes | Size not stated, Small Single, Single, EU Single, Small Double, Double, - King Size, EU Double, EU King, - Super King, Emperor, - King Size Zip & Link, - Super King Zip & Link | Single, Small Double, Double, King, Super King |
Specs are the figures each retailer publishes. Prices are for the size shown above.