Wall-Hung Basins: Pros, Cons and What to Check Before You Buy

A wall-hung basin is fixed directly to the wall, with no cabinet or pedestal underneath. That brings several practical benefits:

• More visible floor space: with the floor running uninterrupted beneath the basin, a small bathroom looks and feels larger.
• Easier cleaning: there's no cabinet base or pedestal to clean around, so you can mop right to the wall.
• Flexible installation height: the basin can be fixed at the height that suits your household, rather than a set cabinet height.
• Knee clearance: the open space beneath the basin makes it easier to sit or stand close, which can help users with limited mobility.
• A clean, minimal look: a wall-hung basin suits contemporary, minimalist and Japandi bathrooms, and works well paired with a wall-mounted tap.

Wall-hung basins are best suited to powder rooms, guest toilets, ensuites and small bathrooms where floor space matters more than storage.

The main drawbacks are the lack of storage and the extra planning a wall-hung basin needs.

• No storage: there's no cabinet for toiletries, cleaning products or spare towels, so you'll need a shaving cabinet, shelf or separate storage nearby.
• Limited bench space: most wall-hung basins have little or no surface around the bowl. Some designs include a shelf on one side for this reason.
• Visible plumbing: the waste pipe and trap are on show unless you choose a decorative bottle trap or a basin with a shroud.
• Wall reinforcement: the wall must carry the full weight of the basin and anyone leaning on it, so a stud wall needs reinforcement at the right height.
• Harder to retrofit: if the wall is already lined, adding reinforcement and moving pipework may mean opening up the wall.

If you're renovating a family bathroom where storage is a priority, these drawbacks usually outweigh the benefits.

A wall-hung basin needs a strong wall, correctly positioned fixings and pipework, and a licensed plumber.

Wall support. Manufacturers require suitable reinforcement behind the finished wall at the fixing height. Caroma's wall basin instructions, for example, specify that in timber stud walls, noggins and studs must be positioned so the fixing screws land in solid timber. Masonry walls use expansion fasteners instead. Plasterboard alone won't support a wall-hung basin.

Plan before the walls are lined. Because the reinforcement sits inside the wall, decide on your basin, and ideally its exact model, before the wall is sheeted and tiled. The fixing positions, waste outlet and water connections all depend on the basin's dimensions.

Height. Wall-hung basins are commonly installed with the rim around 800 to 850 mm above the finished floor, but you can adjust this to suit your household. Check the recommended fixing height on the basin's installation instructions.

Installation. A licensed plumber must connect the basin's water and waste, and the installation must comply with the Australian plumbing standard AS/NZS 3500.2.

With no cabinet to hide the plumbing, the waste and tap choices shape how the finished basin looks.

Waste: bottle trap, P-trap or shroud

• Bottle trap: a compact, decorative trap that sits neatly under the basin. Available in finishes to match your tapware, it's the most popular choice where the plumbing is on show.
• P-trap: a standard trap. It's functional, but more visible and less refined under a wall-hung basin.
• Shroud: some basins have a matching ceramic shroud that conceals the waste entirely. Caroma's Opal and Liano Nexus wall basins, for example, can be fitted with a shroud on a concealed bracket.

Browse our basin wastes to match the waste to your tap finish.

Basin-mounted or wall-mounted taps

A basin with a tap hole takes a standard basin mixer, which is simpler to install and replace. A basin without a tap hole needs a wall-mounted mixer and spout. This gives a cleaner look, but the pipework must be set in the wall before tiling, and the spout must reach far enough over the bowl. Compare options in our bathroom basin taps.

Choose the basin size by the room and how the basin will be used.

• Powder rooms and toilets: a compact hand basin keeps the space usable. Browse our small hand basins for narrow and corner-friendly designs.
• Ensuites: a mid-size basin, or one with a side shelf, gives you somewhere to rest toiletries.
• Main bathrooms: a wider wall-hung basin suits a bathroom where storage is handled elsewhere, such as in a tall cabinet or shaving cabinet.

Allow enough clearance on either side of the basin so it doesn't feel cramped, and check the basin's projection from the wall against the space in front of it.

When to choose a vanity instead. Choose a vanity if you need storage under the basin, if several people share the bathroom, or if you want bench space around the bowl. A wall-hung vanity keeps the floor visible while still giving you drawers. Our guide to common bathroom vanity sizes can help you compare.

When you're ready to compare designs, browse our full range of wall-hung basins, or shop the look below.