There are four ways to add a third bed, and only two hold up to a hotel’s daily turnover. A pull-out bed under the double costs between €350 and €700, disappears under the main base when closed, and takes three minutes to make up; a sofa bed costs three times as much and takes up 200-210 cm of depth when open. The right question isn’t which bed to buy, it’s how many centimetres of clear floor remain with the bed open, and how long it takes the housekeeper to make it up.
Contents
Before the furniture, the floor area
Minimum room floor areas are set by regional hotel classification rules and vary from region to region. The most common pattern starts at 8 sqm for a single and 14 sqm for a double in categories up to three stars, rises to 9 and 16 sqm for four and five stars, and asks for around 6 sqm more for every bed beyond the second. A triple, then, runs around 20 sqm. Several regions also allow a temporary extra bed with a floor-area tolerance, provided the room isn’t permanently classified as a triple and the bed is removable.
This distinction matters more than it seems, because it changes both the choice of furniture and how the room gets described on booking platforms. A permanent bed turns the room into a triple in every respect, with the floor area that requires; a removable bed remains a supplement on a double. Before signing the order, your own region’s regulation needs reading properly, alongside the minimum square metres required for hotel rooms in the category you’re classified under. I’ve seen twelve sofa beds bought, only to discover the room stayed a double.
There’s also the commercial side of the room code. A room sold as TPL with a real bed isn’t a DBL with a folding cot, and guests notice at check-in: room type codes need using for what they actually mean, or the review arrives right on schedule.
The four solutions, with the numbers
The pull-out bed under the double
This is the solution I recommend for rooms between 16 and 20 sqm that sell the triple twenty or thirty nights a year. A standard pull-out base measures 80×190 or 90×200, slides on castors and has snap-up legs bringing it to 35-38 cm off the floor, the same height as the main bed. Closed, it takes up 8-9 cm of height under the upper base, so the bed frame needs a clear gap of at least 20-22 cm and no central crossbars resting on the floor: that’s the first mistake seen on site, buying the pull-out and finding it doesn’t fit under the bed already there.
Open, the base slides out to the side and sits alongside the double. A 160 cm bed becomes a 250-260 cm front, and that side needs at least half a metre to pass. The real limit is the mattress: to close away underneath it can’t exceed 16 cm, so you’re on medium-density foam, and the comfort is that of a service bed, not a real one. Fine for one night, not for a week.
The sofa bed
This makes sense when seating is needed anyway, meaning junior suites, suites and rooms above 22 sqm. A contract two-seater closed takes up 160-180 cm of width by 90-100 of depth; open it reaches 200-210 cm of depth with a 140×200 sleeping surface. That means a strip of 110-120 cm needs to stay clear in front of the sofa beyond its closed footprint, rug and coffee table included, which then have to be moved every evening. The mechanisms worth having are the concealed type with a welded-mesh base and a 14-18 cm mattress, and they’re also the heavy ones: two people to open it comfortably, one with difficulty. Contract-grade sofa beds for hotels have a metal frame and fully removable covers, and cost between €900 and €2,500.
The chair bed
Closed it measures 80-95 cm of frontage by 90 of depth, open it reaches 190-200 cm of length by 70-80 of width. The mattress is 10-12 cm. It works for a child or an adult under 1.70m, and it works as furniture, because an armchair in the room is needed anyway. It doesn’t work for a ninety-kilo father who pays the supplement and writes the next morning that he didn’t sleep.
The folding cot
Costs €150-400, opens to 80×190 with the surface at 40-45 cm, folds down to around 100x100x35 and stores on castors in a storeroom. Twelve cots cover forty rooms. Nobody sleeps well on one, but nobody’s invested €2,000 per room in a solution used four times a year either. The practical rule is one cot for every three or four family rooms, and never listed as a stated fit-out on booking platforms.
There’s also a fifth route, wall-mounted fold-away beds for hotels: a vertical single takes up 38-42 cm of depth when closed and opens to 210 cm, the frame anchors to a load-bearing wall, and the bed is a proper bed, with an 18-20 cm mattress. It costs between €1,200 and €2,600. In mountain family rooms, where the fourth guest is the rule rather than the exception, it’s the choice that pays for itself.
| Solution | Open footprint | Clear space to leave | Preparation | Comfort | Indicative cost |
|---|---|---|---|---|---|
| Pull-out bed | 80-90 cm beyond the double’s side | 50-60 cm to the side | 3-4 minutes | fair, mattress max 16 cm | €350-700 |
| Sofa bed 140×200 | 200-210 cm of depth | 110-120 cm in front | 6-9 minutes | good if the mattress is 16-18 cm | €900-2,500 |
| Chair bed | 190-200 x 70-80 cm | 100 cm in front | 4-5 minutes | poor above 175 cm in height | €500-1,200 |
| Folding cot | 80×190 cm, 40-45 high | the whole perimeter of the bed | 5 minutes, including transport | low | €150-400 |
| Single fold-away bed | 100-110 x 210 cm | 210 cm in front of the wall | 2 minutes | equal to a fixed bed | €1,200-2,600 |
What about bunk beds?
In family rooms, bunk beds solve the third and fourth bed within 100×210 cm of floor space, but they need buying with the standard in hand. UNI EN 747-1 applies to beds whose upper sleeping surface sits 60 cm or more off the floor, and requires the top rail to sit at least 16 cm above the mattress surface: that means the upper mattress can’t exceed 16 cm in thickness, and swapping it for a taller one takes the bed out of compliance. Above the upper mattress you need to leave 75-90 cm clear to the ceiling, or the guest can’t sit up, and between the lower mattress and the base of the upper bunk you need at least 90-95 cm so an adult can sit on the lower bed. The top bunk shouldn’t be assigned to children under six, and that’s a restriction that needs writing into the booking conditions, not left to a parent’s judgement.
The cost nobody budgets for: housekeeping time
Six extra minutes per room, across twelve triple rooms in high season, add up to more than an hour of work a day. At €18-20 an hour in company cost, that’s €500-600 a season for a service the hotelier considers free. The sofa bed is the worst offender here, because it has to be cleared of its seat cushions, opened, made up on three sides and then closed again in the morning with the sheets either tucked in or removed depending on the mechanism. The pull-out gets pulled, raised on its legs, and made up like any single bed.
If a property already runs tight shifts, this item needs putting on the table before the price of the furniture. The same logic applies to flexible furniture in a double room that needs to change configuration several times a week: every extra step, multiplied by turnover, adds up to a large number.
How much the third bed returns
The extra bed supplement in Italy sits between €25 and €45 a night for an adult and between €15 and €25 for a child over three, usually calculated as 30-40% of the double room rate. Sixty nights sold at €30 comes to €1,800 a year per room, and a €500 pull-out pays for itself before mid-August of its first year. An €1,800 sofa bed needs two seasons, and only gets them if the room is big enough to genuinely sell it as a triple.
There’s a second effect, less visible in the accounts: a room that accepts three people enters a search filter where competition is lower, and picks up bookings a double would never see. In properties where a four-star hotel’s profit and loss depends on peak months, three or four rooms convertible into triples shift July and August occupancy more than any pricing move.
Cots
A cot doesn’t count as a bed under regional regulations as long as the child is under two or three, but it still needs declaring and counting towards the stated capacity for safety purposes. It takes up around 60×110 cm and needs at least 50 cm clear on one side to lift the baby out. Fabric travel cots cost little and last a season; contract wooden cots with braked castors and compliant rails run between €180 and €400 and last for years. Two or three are enough for a thirty-room property, with a dedicated small sheet that isn’t a breakfast napkin.
One detail that always turns up on the second site visit: with a cot in the room, the bathroom door still needs to be able to open. With a 180 cm double and the bedside tables, a 14 sqm double doesn’t have room for it.
What to actually buy
City hotels with rooms between 15 and 18 sqm and one or two-night stays: a pull-out bed under the double, always. It costs little, stays out of sight, and takes up no space when closed. Resorts and mountain hotels with families and week-long stays: a wall-mounted fold-away bed in rooms converted for families, because the fourth person sleeps there for seven nights, and a sofa doesn’t hold up to that. Suites and junior suites: a proper sofa bed, with a mattress of at least 16 cm, because the seating is needed anyway and the guest paying for that room won’t accept a folding cot. Properties with occasional requests: two or three cots in storage and no in-room investment. The starting measurements still come from the main bed, and it pays to fix those first, looking at standard hotel bed sizes instead of fitting the third bed around a double chosen at random.
Frequently asked questions
How much space does an extra bed need?
An open pull-out bed takes up 80-90 cm beyond the side of the double and needs at least 50-60 cm clear to pass, so the room needs to be at least 3.20 metres net in width. An open sofa bed reaches 200-210 cm of depth and needs 110-120 cm of clear space in front of its closed footprint. On the regulatory side, most regional rules ask for around 6 sqm more for a bed beyond the second.
Can an extra bed be charged for?
Yes, and it should be: the average supplement in Italy is between €25 and €45 a night for an adult and between €15 and €25 for a child, usually calculated as 30-40% of the double room rate. The supplement needs publishing in the filed price list and stating clearly on booking platforms. Cots for children under two are almost always offered free.
Is a sofa bed or a pull-out bed better?
The pull-out bed wins in every room up to 20 sqm: it costs under a third as much, takes three minutes to make up, and doesn’t exist visually when closed. A sofa bed only makes sense where seating is needed anyway, so suites and junior suites, and only with a mattress of at least 16 cm. Under €700, a contract-grade sofa bed doesn’t exist, and the mechanism fails after two seasons of daily opening.
Do cots count towards bed capacity?
Under almost every regional regulation, a cot for a child up to two or three years old doesn’t count as a bed and doesn’t affect the room’s minimum floor area. It still needs declaring in the property’s stated capacity and reporting alongside guest numbers. In the room it takes up around 60×110 cm and needs half a metre clear on one side, space that a 14 sqm double with a 180 cm bed often doesn’t have.
