Silentnight 7 Zone Memory Foam Mattress
The Silentnight 7 Zone Memory Foam Mattress is a 20cm deep all-foam mattress from Silentnight, an NBF-approved manufacturer making its mattresses in the UK.
- Contours without a sink-in feel
- 7-zone support for natural alignment
- Suits back & side sleepers
£213
Get the lowest price we've found
The Silentnight 7 Zone Memory Foam Mattress has a memory foam comfort layer above a 7-zone support system, which means the surface moulds to your shape while different areas of your body get their own level of support. Sizes stretch from a UK Single up to a Super King, with EU sizes available too. Do check the feel before you buy: the listing we sourced describes it as firm, so lightweight side sleepers may find it a little unforgiving.
Mattress specifications
Firmness
Medium Firm
Type
Memory Foam
Depth (cm)
20
Number of Layers
3
Trial Period (nights)
Warranty (years)
5
Price Range
£213 to £449
Best Sleeping Position(s)
Back Sleeping
Stomach Sleeping
Combination Sleeping
Certifications
BS 7177
Assessed from the specification published by MattressNextDay, captured September 2026, and from regular price comparison across our UK retail partners.
Why should you choose this mattress?
This is a sensible pick if you want memory foam contouring without a soft, sink-in feel. The 7-zone support system gives targeted support along the length of your body, which means your spine is more likely to stay in natural alignment whether you sleep on your back or your side. It carries reassuring credentials: made in the UK by an NBF-approved manufacturer, fire resistant to the BS7177: 2008 standard, and backed by a 5-year manufacturer's guarantee from Silentnight. It sits at an accessible price for a branded memory foam mattress. Owners on mattressnextday.co.uk rate it 4.6 out of 5 across 87 reviews, which is encouraging for the money.
Key features & layer details
Soft Touch Quilted Cover
A quilted fabric finish that gives a smooth, breathable sleep surface. It adds a touch of softness before you reach the foam beneath.
Memory Foam
This comfort layer reacts to your body's contours, which means it cushions key pressure points like hips and shoulders. You get a personalised sleeping surface that adapts as you move.
7-Zone Support System
The base layer delivers enhanced support to different areas of the body. In practice, that helps keep your natural alignment from head to toe.
Layer details from mattressnextday.co.uk product page, September 2026.
Best suited for?
Back sleepers
The 7-zone support system gives targeted support along the length of your body, which means your spine is more likely to stay in natural alignment.
Combination sleepers
The memory foam layer adapts as you move, which means you get a personalised surface whether you start on your back or shift position.
Budget buyers
It sits at an accessible price for a branded memory foam mattress, with a 5-year manufacturer's guarantee included for extra reassurance.
Couples
Sizes run from a UK Single up to a Super King, so there is a double or larger option with the same zoned support.
If you prefer a softer, more cushioned feel, look elsewhere: the retailer listing describes this as firm, so lightweight sleepers and dedicated side sleepers may find it a little too solid. And if you dislike the slow, hugging response of memory foam, a sprung or hybrid mattress will suit you better.
Save on an earlier or ex-display model
Some retailers still sell the earlier version of this mattress, or ex-display and returned stock at a lower price. These are the sizes where it costs less than the current model's best price.
Silentnight 7 Zone Memory Foam Mattress
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Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
Is the Silentnight 7 Zone Memory Foam Mattress firm or medium firm?
There is some inconsistency here. Some listings give it as medium firm, but the mattressnextday.co.uk listing describes it as firm. Treat it as sitting at the firmer end, which suits back and front sleepers, although lighter side sleepers may find it slightly too firm.
How deep is the Silentnight 7 Zone mattress?
It is 20cm deep, which is on the slimmer side for a modern mattress. Standard fitted sheets will fit easily, and it is a manageable weight to rotate.
Does the Silentnight 7 Zone Memory Foam Mattress have a guarantee?
Yes. It comes with a 5-year manufacturer's guarantee from Silentnight, as stated on the mattressnextday.co.uk listing.
Is there a trial period with the Silentnight 7 Zone mattress?
The retailer listing we sourced does not mention a trial period, so check the returns policy with whichever retailer you buy from before ordering.
What sizes does the Silentnight 7 Zone Memory Foam Mattress come in?
It comes in UK Single, Double, King and Super King, plus EU Single, Double and King.
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