Firmness
Medium Firm
Type
Pocket Spring
Depth (cm)
31
Number of Layers
4
Trial Period (nights)
100
Warranty (years)
10
Price Range
£1,169 to £1,799
Best Sleeping Position(s)
Certifications
Assessed from the specification published by Mattress Online, captured September 2026, and from regular price comparison across our UK retail partners.
The main appeal here is the combination of two spring layers and natural fillings. Full-size pocket springs adapt to your movement and support each part of your body individually, while a layer of mini pocket springs sits above them, which means you get a cushioned, pressure-relieving feel at the surface rather than lying directly on the main support unit. British wool and alpaca fillings insulate and regulate temperature, so if you run warm at night this is a sensible pick over synthetic foams. It carries recognised reassurances too: National Bed Federation approved, handcrafted in the UK, and conforms to BS7177: 2008 for fire resistance. Yes, it costs more than entry-level pocket sprung options, but the materials are a cut above.
Key Features & what's inside
- Cover. A soft woven cover forms the sleeping surface. It is the first thing you will feel when you lie down.
- Comfort fillings. British wool and alpaca wool fillings sit beneath the cover, chosen for their natural insulative and temperature regulating properties. In practice, that means a surface that helps keep you comfortable across warmer and cooler nights.
- Mini Pocket Springs. A layer of small, individually cased springs adds comfort and gentle pressure relief. These respond to lighter pressure than the main springs, so the mattress feels responsive at the surface.
- Pocket Springs. The main support layer uses individual springs encased in cloth pockets that adapt to your movement. Each spring works independently, which means support is distributed to each part of your body rather than the whole surface moving as one.
Layer details from mattressonline.co.uk product page, September 2026.
Who's it NOT for?
If you want a mattress you can rotate easily on your own, this may frustrate you: across owner reviews on Mattress Online it is described as heavy and needing two people to turn. Budget shoppers should also look elsewhere, as it starts at £1,169. And if you dislike any natural wool scent, be aware some owners mention a slight odour at first.
Sleepeezee Centurial 02 6000 Pocket Mattress
Is the Sleepeezee Centurial 02 6000 firm or medium?
The product page describes it as medium, so it should suit most sleepers, although some owners report it feels a little firmer than expected for the first few days before settling. If you need a genuinely firm mattress, this may be softer than you want.
Does the Sleepeezee Centurial 02 6000 come with a trial?
Mattress Online lists a 100-night trial, but this is the retailer's own offer rather than a Sleepeezee guarantee, and it requires buying a mattress protector from Mattress Online to qualify. If you buy elsewhere, check that retailer's terms, as they may differ.
How deep is the Sleepeezee Centurial 02 6000 mattress?
It is 31cm deep, which is a substantial build. Worth checking your fitted sheets before it arrives, as shallower sheets may struggle to stay on a mattress of this depth.
What sizes does the Sleepeezee Centurial 02 6000 come in?
Five UK sizes: Single, Small Double, Double, King and Super King. Prices range from £1,169 to £1,799 depending on the size you choose.
What guarantee does the Sleepeezee Centurial 02 6000 have?
Mattress Online lists a 10-year guarantee with this mattress. As that figure comes from the retailer's listing rather than Sleepeezee's own page, it is sensible to confirm the guarantee terms with whichever retailer you buy from.
Couldn't find an answer to your question? Send us a message