Best guest mattresses

Everywhere else, the right mattress depends on your weight and the position you sleep in. A guest bed removes both variables, because you do not have a single person to design for.

So medium-firm is genuinely correct here rather than a compromise. It is the firmness that fails least badly across the widest range of bodies: firm enough that a heavier guest does not bottom out, soft enough that a lighter side sleeper is not lying on a board.

The second change is durability. A mattress used ten nights a year has a very long calendar life and very little use, so materials that degrade with time rather than with use become the constraint: foam ages whether you sleep on it or not.

The picks

Origin Hybrid Mattress: Best overall

£265 · 8.0 / 10

Scores 8.0. Up to 3,000 pocket springs at £265, which is a real mattress rather than a compromise, and springs age far better than foam in a bed that is rarely used.

Read the full Origin Hybrid Mattress review

Emma Original Lite Mattress: Best value

£199 · 7.3 / 10

A three-zone pocket spring layer at £199 with a 200 night trial. Zoning helps exactly the situation a guest bed creates, because it varies support along the mattress rather than applying one firmness to everyone.

Read the full Emma Original Lite Mattress review

Silentnight Sleep Now Range: Cheapest sensible option

From £169 · 6.7 / 10

From £169, from a manufacturer trading since 1946. For a double guest bed, confirm whether the springs are pocketed or open coil: open coil means one person turning over moves the other side of the mattress, which matters when two guests share.

Read the full Silentnight Sleep Now Range review

Inofia Elegant Collection Mattress: Most depth per pound

Around £210 · 6.3 / 10

Scores 6.3. Twenty-seven centimetres and a genuine spring core at around £210, when most mattresses at that money are foam slabs. For occasional use that trade is sound.

Read the full Inofia Elegant Collection Mattress review

Why foam is the wrong choice for a rarely used bed

This is the point that makes guest beds different from every other page on this site.

Foam degrades with time as well as with use. The polymer breaks down slowly regardless of whether anyone sleeps on it, so a foam mattress in a spare room can be noticeably softer after six years having been slept on perhaps sixty times.

A pocket spring unit does not age that way. Steel does not care how long it has been sitting there, and a spring mattress used rarely genuinely lasts.

So the usual budget advice inverts slightly: in a guest room, springs are worth paying for even more than in a main bed, because you are buying calendar life rather than use life.

What actually matters in a guest room

Two pillows each, at different heights

This is the hotel solution and it is the best value decision on the page.

Pillow height depends on shoulder width and sleeping position, and you cannot know either in advance. So supply two medium pillows per person: a side sleeper stacks them, a back sleeper uses one, a front sleeper pushes both aside.

That covers the full range for the price of a few pillows, and it solves the complaint guests are least likely to mention. Buy washable synthetic fill, because you will be washing them between visits.

Airing, and the thing spare rooms do

A spare room is usually unheated, unventilated and closed for weeks at a time. That is the condition in which moisture collects.

Air the room and turn back the bedding for a day before guests arrive, and open the window occasionally between visits. If the mattress sits on a solid platform rather than slats, lift it periodically, because condensation can form against the underside.

Rotate the mattress head to foot a couple of times a year even though it is barely used. It takes a minute and prevents the settlement that builds in one spot.

What not to buy

A foam mattress for a rarely used room. It ages on the calendar rather than on use.

A soft or a firm mattress. You are buying for people you cannot measure, so the extremes are the wrong bet.

A high spring count. It is the least useful place to spend here.

An open coil mattress for a double guest bed. Two guests sharing will feel every movement.

Fixed-height single pillows. Two medium pillows each covers far more guests.

Also considered, and why they are not here

A roundup is only as useful as what it leaves out, so here is what was assessed and rejected for this list.

How this list is made, and who made it

Who writes this. Kyle Klinkradt has worked in the mattress and bedding industry for over ten years across retail, distribution and brand partnerships, and has handled, sold or assessed products from every major UK bed-in-a-box brand. Every review on this site is written by one person, so the scores mean the same thing from page to page.

What the assessment is. Construction specifications against what they physically do: spring height and where in the mattress it sits, spring count for the size, gauge, whether the base is sprung or foam, foam density where it is published, comfort layer depth and material. Then the commercial terms that decide what you are actually buying: trial against returns policy, guarantee length against the company's UK trading history at Companies House, and the regulatory record.

What it is not. This is not a laboratory. I do not publish pressure-mapping data or claim to have slept eight years on every mattress here, because nobody has and pages that imply otherwise are not telling you the truth. Where a judgement rests on construction rather than long-term use, the review says so.

What gets a product removed. Leaving the UK market, a specification change that makes the review inaccurate, or a corrected fact. Brands that have withdrawn are kept on the site with the score removed rather than quietly deleted, because people still search for them.

See editorial independence, corrections and the author page.

How these were chosen

Every product here has its own review on this site with a score out of 10, and the score is a judgement rather than an average. Nothing appears in a list because it pays more.

A score is against the market, not against its own range. The cheapest mattress in a lineup is usually priced to make the model above it look reasonable, and the flagship of a budget range has risen into a bracket where better brands compete. Both are judged against what else you could buy for the money.

Everything listed can actually be bought in the UK. That is not a given: Casper withdrew in July 2020 and Leesa no longer sells here, and both still appear in current British roundups with affiliate links attached.

I do not pad the list. Where only three or four products genuinely qualify, there are three or four. A list of seven when the category contains four good ones is a list with three bad recommendations in it.

Prices move constantly. Judge the cash price on the day rather than any percentage beside it. See every review on this site or where the real savings are.

Questions people ask

What firmness should a guest mattress be?

Medium-firm, and here it is genuinely correct rather than a compromise. You are buying for people whose weight and sleeping position you do not know, and medium-firm is the firmness that fails least badly across the widest range of bodies.

Should I buy a foam mattress for a spare room?

No. Foam degrades with time as well as use, so a foam mattress in a rarely used room can be noticeably softer after six years having been slept on sixty times. A pocket spring unit does not age that way.

What pillows should I put in a guest room?

Two medium pillows per person. Pillow height depends on shoulder width and sleeping position, which you cannot know in advance, so a side sleeper stacks them, a back sleeper uses one and a front sleeper pushes both aside.

How do I look after a guest mattress?

Air the room and turn back the bedding for a day before guests arrive, open the window occasionally between visits, and rotate the mattress head to foot a couple of times a year even though it is barely used.