Firmness
Type
Open Coil Spring
Depth (cm)
Number of Layers
Trial Period (nights)
Warranty (years)
Price Range
£699 to £935
Best Sleeping Position(s)
Certifications
Assessed from mattress data provided by our UK retail partners, captured September 2026, and from regular price comparison across those retailers.
Key Features & what's inside
Awaiting up to date specifications. Please check back later.
Who's it NOT for?
Sealy Posture Balance Mattress
How much does the Sealy Posture Balance mattress cost?
Prices run from £699 to £935 depending on the size you choose, with the entry price at £699.00. As with most mattresses, the larger sizes sit at the upper end of that range.
What sizes does the Sealy Posture Balance come in?
It's available in five UK sizes: Single, Small Double, Double, King and Super King. That covers the standard UK bed frame sizes, though you should measure your frame before ordering.
Where can I buy the Sealy Posture Balance mattress?
It's currently listed with one retailer in our comparison data. Check the live listing for stock, delivery terms and any returns or trial policy, as these are set by the retailer.
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