For a small space, you might choose a walk-in shower with dimensions of around 35 x 35 inches (90 x 90 cm). This is considered a bare minimum as anything smaller than this can lead to water splashing outside of the shower itself.
For smaller bathrooms, most experts recommend a shower enclosure no smaller than 36" x 36". To comfortably fit one adult, a shower measuring 48" x 36" should offer enough space for easy movement.
For reasons of comfort, the shower area should not measure less than 70 cm x 70 cm to guarantee freedom of movement inside. Ideally, the shower base should be rectangular so that it can be aligned on one side and seen as a single element. The shower access should measure at least 60 cm.
The standard and average size
To measure in numbers, the standard size for walk-in showers is approximately 1700mm in length and 700mm in width, which is the exact same footprint as a standard sized bath.
standard: 70×90 cm.
This is the most popular shower size in modern homes: it is an average size, big enough to feel comfortable in.
The minimum size for a walk-in shower in Australia is 900mm x 900mm. While walk-in shower dimensions indicate a minimal width and depth, these showers are frequently larger than this. In general, a basic walk-in shower room size is 1000mm in width and 1800mm in depth.
A standard shower with shower screen should have a shower width of at least 900mm and a depth of at least 900mm, although those dimensions can certainly be increased in line with space allowances. The minimum shower width for a standard shower would be 760mm, as in some European designs.
The minimum / standard size opening for a walk-in shower should be no smaller than 550mm, meaning working with a 1500 x 800mm shower tray a 900mm glass panel would be the best option. Any glass over 600mm in length it is recommended to have some form of support.
The standard enclosure shower sizes are 36 inches wide and 60-inches long. However, there are about a dozen “standard shower sizes” in the US alone. But showers bigger than 48-inches wide or 60-inches long are rare. Longer showers over 48 inches wide are tub-shower units.
For a small bath, it is around 1400mm-1500mm long and 700mm wide, whereas a large bath will be roughly 1800mm long and around 800mm wide, these are often freestanding baths in larger bathrooms with plenty of space.
The smallest size for a walk in shower is recommended to be 36 inches by 36 inches, inclusive of a bench attached to a wall within the space. By sticking to the suggested minimum sizing of 36 by 36 inches, you'll create a walk-in shower area that offers adequate room for comfortable, easy showering.
The average size walk-in shower is 1000mm x 1500mm. Any less than this water is able to splash out and wet the rest of the bathroom floor. The Australian Standard AS/NZS 2205:2001 specifies minimum requirements regarding volume and drainage slope.
The standard shower enclosure size begins at 30″ X 30″ (700 mm x 700 mm), which is generally the smallest available to purchase. However, most people prefer a shower cubicle size of 48″ x 36” (1200 mm x 900 mm) as this is a more comfortable choice.
Standard Shower Enclosures Size for Small Bathrooms
However, in most places, the smallest available size for shower enclosures is 800mm x 800mm. You can always choose other sizes depending on your needs. Bi-fold and quadrant shower cubicles are the most popular options due to their better space-saving designs.
How Big Should a Doorless Shower Be? A doorless shower layout requires a larger footprint than a standard tub or shower stall. Building codes may specify that a standard shower stall must be a minimum of 36 inches by 36 inches while the average doorless shower is about seven feet by four feet with many much larger.
Minimum Walk-In Shower Size
Our professional and experienced opinion would advise that as a minimum, the tray should be at least 1200mm in length and anything between 700 and 900mm in width. This will help to ensure that water stays within the shower area.
Shower floor minimum size is usually mandated to be at least 30 inches square; that is, 30 inches by 30 inches. Shower door clearance: Because shower doors are usually glass and can break and because of other access issues, bathroom code states that shower doors need to have at least 24 inches of opening clearance.
While the maximum size of a shower is not mandated, bathroom code dictates that your shower floor has a minimum size of 30 square inches.
Look inside the valve and fittings the water is going through to the shower heads. Chances are the holes it will have to run through inside it will be tiny (typically 6mm diameter or less, I've seen 3mm) even if the inlets and outlets have 3/4" BSP threads. If so, I'd go with 15mm pipe.
A corner walk-in shower is a great option for small bathrooms because it takes up minimal floor space. You can either install a glass enclosure or a doorless entry walk-in shower, tucked in the corner away from the toilet and sinks as well as vanity areas.
Baths. Height: Between 500 and 600mm is comfortable for the majority of adults.
Generally, the small straight bathtub starts from 1500mm x 700mm or experts recommend trying a 1400mm x 700mm size. If you don't think such size can fit, you may need to look for corner baths, to have even more space saving. However, these may be less comfortable as you will only have room to sit.
The most common bathtub installation is an alcove bath with an overall size of 60 inches x 32 inches. Standard tubs usually have external measurements around 60 inches long, 30 inches wide and 14 to 16 inches high. When shopping for a soaking tub, find a tub that measures between 60 inches long and 72 inches long.
Size. Regarding the dimensions of the perfect two-person bathtub, you'll want to look for a unit measuring approximately 1500mm-1800mm x 700mm-800mm. Select a double-ended bath, as this will mean the taps and plug are positioned in the centre of the tub, with both ends sloped to allow for two people to bathe together.