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Bathroom Cabinets & Shelving
No. The cabinet needs to fit around the basin above, the pedestal or wall bracket, and the waste pipe behind it. Many freestanding models feature a U-shaped opening around 20 to 23 cm for plumbing, but these sizes aren't standardized. If your pipework sits wider or further forward than the listed cutout, the doors won't close properly. Make sure to check the cutout width and depth on the Specifications tab and measure your pipework before ordering.
Shoppers often call this an under-sink cabinet or under-sink unit. It is commonly confused with a vanity unit, which includes both the basin and storage in one. If your basin is already fitted, you just need a cupboard to fill the space underneath. Vanity units are the better option if you are replacing the basin as well as the storage. For extra cupboards and shelves that are not attached to a basin, explore bathroom storage and organisation.
Common issues include pipes blocking a shelf, water splashing against the cabinet, or units tipping over if not secured to the wall. Adjustable shelves easily accommodate taller bottles, while a raised base keeps the bottom panel off wet floors. Water-resistant or melamine-coated finishes handle occasional spills much better than bare board. Always install the included anti-tip hardware, and check the product details if you are unsure whether it is provided.
If you already have a pedestal under your basin, a freestanding cabinet is usually the best option, as the cut-out design lets it slot neatly around the pipework. In contrast, wall-mounted cabinets hang directly from the wall, so they need a completely clear space beneath them. Take a look at wall mounted under sink cabinets if you have a floating basin. To explore all storage options rather than just under-sink models, browse our full selection of bathroom cabinets and shelving.
Most standard cabinets are around 60 cm wide, 30 cm deep, and 60 cm high, which fits standard sinks well. Larger bathrooms can easily accommodate a 90 cm unit, while smaller cloakrooms may need something under 60 cm wide. Depth is just as important as width, as a 30 cm cabinet might still extend past a shallow basin. Before buying, compare the product dimensions and internal shelf size with the available space beneath your sink.
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Under Sink Cabinet
Cabinet
Linen Cabinet
Shelves
Bathroom Storage Furniture Set
Over the Toilet Storage
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