Firmness
Firm
Type
Pocket Spring
Depth (cm)
Number of Layers
Trial Period (nights)
Warranty (years)
Price Range
£1,399 to £2,779
Best Sleeping Position(s)
Certifications
Assessed from the product page published by Mattress Online, captured September 2026, and from regular price comparison across our UK retail partners.
This is a firm pocket spring mattress, which means individual springs respond to your body independently rather than moving as one unit, so you and a partner are less likely to disturb each other. The firm feel suits back and front sleepers who want to stay on top of the mattress rather than sink into it, and heavier sleepers who find softer models give way too quickly. Sizes run from UK Single to UK Super King. Yes, the starting price of £1,399.00 is a serious outlay, but pocket spring construction at this level is generally built for the long haul, and the listing retailer backs it with a 5 year guarantee.
Key Features & what's inside
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Who's it NOT for?
If you're a lightweight side sleeper, a firm mattress like this may not give enough at the shoulder and hip, which can mean pressure points rather than comfort. It's also a poor fit for tight budgets, with prices starting at £1,399.00. Softer variants of this model exist, so check you're ordering the right one.
Harrison Spinks Emerald 16500 Pocket Mattress (Firmer Feel)
How firm is the harrison spinks emerald 16500?
This variant is catalogued as firm, described as a firmer feel. Be aware the model is sold in several firmness options, including softer feels, so confirm with the retailer that you're ordering the firm version before you buy.
What sizes does the harrison spinks emerald 16500 come in?
It's available in five UK sizes: single, small double, double, king and super king. Prices range from £1,399 to £2,779 depending on the size you choose.
Does the harrison spinks emerald 16500 have a guarantee?
The retailer listing this mattress states a 5 year guarantee. As that term comes from the retailer's page rather than the brand directly, it's sensible to confirm the guarantee details at the point of purchase.
How much does the harrison spinks emerald 16500 cost?
Prices start from £1,399.00 for the smallest size and run up to £2,779, so where you land depends on the size you need. It's a premium price, reflecting its pocket spring construction.
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