Rest Assured Knowlton Latex Pocket 2000 Pillowtop Single Mattress
The Rest Assured Knowlton Latex Pocket 2000 Pillowtop comes in UK Single, Double, King and Super King.
- Medium feel with a cushioned top
- Zoned support where you need it
- Hypoallergenic cover
£460.09
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Rest Assured Knowlton Latex Pocket 2000 Pillowtop Mattress
More available sizes
Mattress details
Mattress
Rest Assured Knowlton Latex Pocket 2000 Pillowtop Mattress
Size
Firmness
Medium
Construction
Pocket Spring
Latex
Depth (cm)
Layers
3
Layer Details
Pillow top
An extra layer of comfort across the surface, which gives the mattress a softer, more cushioned feel when you first lie down.
Latex comfort layer
A 2.5cm layer of natural latex sits below the pillow top. It adds a responsive, sink-in comfort between you and the springs.
Pocket springs
Individual springs are encased in cloth pockets and zoned to relieve pressure at key areas of the body, so the base supports different parts of you in different ways.
Layer details from mattressonline.co.uk and archerssleepcentre.co.uk product pages, October 2026.
Key benefits
- Leaves room for everything else: At 90cm wide, the UK single leaves floor space for a desk, wardrobe and toy storage, which matters in a child's room where the bed competes with all of it.
- A compact footprint for small rooms: We suggest allowing at least 2.1m x 2.8m, so the UK single suits box rooms and loft conversions where there is only space for a bed under the slope.
- Two can fit in one room: Two UK singles side by side, with a walkway between, can work for siblings sharing a bedroom or a guest room that needs separate beds.
- Pillowtop comfort for one: The pillowtop adds a softer surface layer, which means a teenager or single adult gets a cushioned feel usually associated with larger adult beds.
- A proper length for most sleepers: At 190cm long, the UK single matches the UK double in length, so a growing teenager gets the same length as a standard adult bed.
This size suits you if...
You sleep alone and want to keep floor space free, you're furnishing a child's or teenager's room around a desk and storage, or you need beds for a spare room or study that sometimes hosts guests.
Consider another size if...
Two of you will share the bed regularly. We'd recommend the UK double instead, which gives 67.5cm each for two sharing; we suggest at least 2.6m x 2.8m for the UK double.
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FAQ's
Can I put the Knowlton UK single on a bunk bed or mid sleeper?
Possibly, but check first. Raised frames usually set a maximum mattress depth so the safety rail stays high enough, and a pillowtop tends to sit taller than a basic mattress. Rest Assured's construction details for this model are thin, so confirm the depth with the retailer and compare it with the frame maker's limit before ordering.
What size bedroom do I need for a UK single Knowlton mattress?
We suggest allowing at least 2.1m x 2.8m of floor space for a UK single. That leaves room to walk around the bed and open drawers or a wardrobe, which is why the UK single suits box rooms, small children's rooms and studies that double as a guest room.
Is a UK single long enough for a tall teenager?
The UK single is 190cm long, or 6ft 3in, the same length as the UK double. If your teenager is already very tall, the UK king is 10cm longer, although it is also 60cm wider and we suggest at least 2.7m x 2.9m of floor space for the UK king.
Should I choose a UK single or UK double Knowlton for a spare room?
If guests usually come alone, or you want two separate beds, the UK single makes sense. If couples stay, the UK double is 45cm wider and gives 67.5cm each for two sharing, but we suggest at least 2.6m x 2.8m of floor space for the UK double.
Where can I buy the Rest Assured Knowlton in a UK single?
Compare the retailers listed on this page. The prices shown here are updated as retailers change them. Retailer coverage for this model is limited, so there may be less scope to shop around than with some other mattresses.