Sliding, hinged or folding shower enclosure: which makes the most of a small bathroom

When talking about shower enclosures, we almost always talk about millimetres of glass and centimetres of shower tray. But there is a variable that decides whether a small bathroom feels spacious or cramped and that is almost never explained: the type of opening. A sliding, hinged and folding shower enclosure can be installed on the same shower tray, with the exact same width, and still require completely different bathrooms to function well from day to day. This article is not about shower tray measurements - we already covered that in another guide on our blog - but about how each opening system uses, or invades, the real space you have around the shower.

Why opening style matters more than floor area

When someone measures their bathroom to buy a shower enclosure, they almost always measure two things: the width of the shower tray and the height to the ceiling or how far they want the glass to go. These are the measurements that determine whether a particular shower enclosure fits into the hole. But there is a third measurement that almost no one takes and that is what really decides whether that shower enclosure can be used comfortably: the free space that the opening system needs to function, that is, how much floor the leaf "occupies" while it moves, beyond the space where it is installed.

This space is called, colloquially, sweep radius or opening radius. A sliding shower enclosure practically does not have this, because the leaves move on the same plane in which they are installed. A hinged one does, and it is proportional to the width of the blade that rotates. A folding is somewhere in between, because the panel folds in on itself instead of sweeping the entire arc. In a large bathroom this difference is barely noticeable. In a small bathroom, where the basin, toilet or bathroom door itself is a short distance from the shower tray, it can be the difference between a shower enclosure that you use without thinking and one that bangs against the basin every time you open it.

It is a very common mistake in renovations: the shower enclosure model is first chosen for aesthetics or price, and only when you take it home you discover that the leaf cannot be opened completely because it bumps into the basin or the door frame. This mistake is almost always avoided by reversing the order: first you observe how people move through the bathroom - where they enter, where the basin is, how much free space there is actually in front of the shower - and then you choose the type of opening that fits that movement. The width of the shower tray is just the starting point.

Sliding enclosures: no door swing space needed

The shower enclosure sliding almost always combines one or more fixed panels with one or more panels that slide on a guide, usually upper, and in some models also lower. It is the system that you will find mostly in the NOLUXA shower enclosures catalogue: front configurations that combine a fixed panel and a sliding panel - for example, one fixed plus one sliding, or two fixed plus two sliding - and that can be completed with a fixed side panel when the shower tray is in a corner or in a corner, to close the angle without the need for an additional door. All these configurations are available in the actual finishes in the catalogue: chrome, matt black, Black Gun Metal, brushed nickel, brushed gold, brushed rose gold, glossy rose gold, matt white, matt grey and champagne grey, in addition to S.316 steel for outdoor or pool installations.

The advantage of sliding in a small bathroom is not only that it "does not waste space": it allows you to place the basin, an auxiliary piece of furniture or even the toilet itself very close to the shower tray without the shower enclosure ever interfering with them, because the sheet never invades that area. It is by far the most tolerant system with tight layout baths. Its limit is not in the space in front of the shower tray, but in the width of the shower tray itself: for the leaves to overlap correctly you need a minimum installed width, and the narrower the shower tray is, the less margin you have to distribute that width between fixed panel and sliding panel.

Hinged enclosures: how much clearance you need

A hinged shower enclosure works like a conventional door: the leaf is held by hinges on one side and rotates on that axis to open inwards, outwards, or in both directions depending on the hardware. The guiding rule for calculating the space you need is simple: the free turning radius that must be left in front of the shower enclosure is approximately equal to the width of the rotating leaf. A 70 cm blade needs, as a guide, about 70 cm of clear ground to complete the turn without tripping over anything.

That doesn't rule it out in a small bathroom, but it does force you to look at what exactly is in that arch. If there is real free space in front of the shower tray - not just square metres in the bathroom, but that specific space without a basin, without a bidet, without the entrance door opening in the same area -, a hinged one can be perfectly viable even in a bathroom with tight dimensions. The problem appears when the shower tray is wedged between the basin and the wall, or when the bathroom door itself invades part of that arch when opened: then the hinged system stops being comfortable and can become directly unviable.

In favor of the hinged one, however, the sensation of total opening plays a role: when the gap allows it, it offers a wider entrance than a sliding one of the same width and usually closes with somewhat better tightness, because it does not depend on two leaves overlapping correctly on the guide. That is why it continues to be a common option in medium or large sized bathrooms, although in a really small bathroom it almost always ends up losing the game against sliding once the radius of gyration is calculated honestly.

Folding enclosures: a compromise

The shower enclosure folding, also called bellows or bifold, solves part of the hinged problem without completely giving up having an operable leaf. Instead of a single leaf that rotates entirely from one side, the panel is divided into two halves joined by a central hinge: when opened, one half folds over the other, so the sweep radius is reduced by approximately half compared to a hinged one of the same width.

It is a reasonable solution when there is some space in front of the shower tray, but not enough for a complete hinge: for example, a gap where the fold of the sash fits but not a full turn of 70 or 80 cm. In return, as it has a central hinge in addition to the side hinges, it is a mechanism with more movement points than a sliding or a simple hinged one, so it is advisable to monitor its condition with a little more attention during regular maintenance.

Very narrow bathrooms or basins beside the enclosure

There are two very specific situations where this decision stops being a matter of aesthetic preference and becomes almost obligatory. The first is the narrow hallway-type bathroom, where the shower tray occupies one side and on the opposite side there is barely enough width to pass through. There, any system with a turning radius -hinged or folding- can turn the passage into a bottleneck every time someone else is using the bathroom. Sliding, as it does not invade that hallway, is usually the only option that does not generate friction in daily use.

The second is the basin -or the toilet- placed very close to the shower tray, something common in small bathroom renovations where not even an centimeter is left over. If the distance between the edge of the shower enclosure and the basin is less than the radius that a hinged or folding leaf would need, that leaf will hit the furniture, the tap or the person who is washing their hands. In these cases, combining a fixed side panel with a sliding panel - as many of the front shower enclosures in the catalogue are configured - allows the exact gap of the shower tray to be closed without any moving part invading the space of the basin.

If you have doubts about whether your specific case falls into one of these two cases, the most reliable way to check is simple: place on the bathroom floor, with adhesive tape, the arc that the leaf would draw when fully opened, and walk around the bathroom normally for a couple of days before deciding. It is a homemade trick, but it avoids more than one unpleasantness once the shower enclosure is already installed and does not allow changes without disassembling it.

Choosing an opening style for your bathroom layout

As a practical summary, this is how the choice is usually resolved depending on the type of bathroom you are dealing with: