Last seen for £343 at Eve Sleep on 23rd June 2026
Eve Lighter King Size Mattress
The Eve Lighter Mattress sits at the more affordable end of Eve's range, available in UK Single, Double, King and Super King.
- Moisture-wicking top cover
- Cushioning comfort foam layer
- Supportive foam base layer
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
More available sizes
Last seen for £194 at Eve Sleep on 23rd June 2026
Last seen for £343 at Eve Sleep on 23rd June 2026
Last seen for £278 at Eve Sleep on 23rd June 2026
Last seen for £409 at Dunelm on 23rd June 2026
Mattress details
Mattress
Eve Lighter Mattress
Size
Firmness
Construction
Foam
Rolled
Depth (cm)
Layers
Layer Details
Cover
Moisture wicking top cover
Top Layer
Evecomfort® foam layer
Layer 2
Supportive foam base layer
Key benefits
- Room to share properly: At 75cm each for two people sharing, you can both change position without negotiating for territory in the middle of the night.
- 15cm wider than a UK double: That extra width over the UK double is what most upgrading couples actually notice, which means fewer elbows and less disturbance when one of you moves.
- Extra length for taller sleepers: At 200cm long, the UK king adds 10cm over a UK double, so anyone approaching six foot stops sleeping with their feet at the edge.
- A budget route to a bigger bed: Sizing up usually stings financially, but the Eve Lighter keeps the cost of a UK king lower than many bed-in-a-box rivals.
- Kinder to different schedules: If one of you gets up hours before the other, the wider surface makes an early exit less likely to wake the person still asleep.
This size suits you if...
You share the bed every night and the UK double has started to feel cramped, especially if one of you is a restless sleeper or leaves for work hours before the other. It also suits couples where one partner is tall, since the 200cm length is a genuine relief, or anyone pregnant or recovering from injury who needs room to prop pillows and shift position without disturbing the other side.
Consider another size if...
Your bedroom is under our suggested minimum of 2.7m x 2.9m, common in new build masters once wardrobes go in. In that case we'd recommend the UK double instead, which still sleeps two comfortably in a tighter room.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
How big is the Eve Lighter Mattress in a UK king?
The UK king version measures 150 x 200cm, or 5ft x 6ft 6in. For two people sharing, that works out at 75cm each, noticeably more personal space than the UK double offers, plus extra length that taller sleepers will feel straight away.
Is the UK king Eve Lighter big enough for a couple and a dog?
If the dog is a nightly fixture, the UK king's 75cm each for two people sharing gives you a fighting chance of keeping your own space once a third body claims the foot of the bed. A larger dog may still push you towards the UK super king.
Will a UK king Eve Lighter fit in a new build bedroom?
Often, but measure first. We suggest at least 2.7m x 2.9m for a UK king, with 3.2m x 3.2m comfortable, and new build masters can feel smaller than the floor plan suggests once wardrobes and bedside tables are in place.
Should a taller sleeper choose the UK king or the UK super king?
If length is the problem, the UK king already solves it: at 200cm it matches the UK super king exactly. The UK super king is 30cm wider, so it only helps if you also want more width. For height alone, the UK king is the cheaper answer.
Where can I compare prices for the Eve Lighter in a UK king?
Use the live table on this page. Prices for this size vary between retailers and change often, and the figures shown here are updated as retailers change them, so it's worth a quick comparison before you commit to a checkout.







