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How to install a bathroom vanity

A person using a hammer drill to drill a hole through the back rail of a cabinet into a wall

Overview

We'll show you everything you need to know to install a bathroom vanity yourself, including where to position it and how to secure it to the wall. You'll also learn how to cut holes for your plumbing with a hole saw.

Steps

1Measure up where your bathroom vanity will sit

Use a measuring tape and pencil to mark out on the floor where you want your vanity. Then work out the position of your waste and water pipes. Measure from the edge of where your vanity will be to the middle of each pipe. Then get measurements from the back wall to middle of the pipes.
A person using a measuring tape to mark out the position of a vanity unit on a tiled floor

2Cut access holes in the bathroom vanity for pipes

To make this step easier, remove the backing panel from the vanity cabinet. Then transfer your pipe measurements to the base panel and use a hole saw to cut the holes for the pipes. Once the holes are cut, replace the back panel and put the vanity in position over the top of the pipes.
A person using a hole saw attachment to cut holes in the bottom of a bathroom vanity

3Install the bathroom vanity

Check the vanity is level, then use your hammer drill to put two screw holes through the back rail of the cabinet and into the wall. Now push wall plugs into the holes, trim them to length with a knife and drive screws through the cabinet into the wall. Finish the job by checking your vanity is still level, then put your drawers, doors, benchtop and sink in place. Now you are ready for the plumber.
A person using a hammer drill to drill a hole through the back rail of a cabinet into a wall
Health & Safety

Please make sure you use all equipment appropriately and safely when following the advice in these D.I.Y. videos. You need to be familiar with how to use equipment safely and follow the instructions that came with the equipment. If you are unsure, you may feel it is safest to consult an expert, such as the manufacturer or an expert Bunnings Team Member.

Grave health hazards are linked to asbestos, which may be in homes built up to 1990. Health hazards may result from exposure to lead-based paints in older materials and copper chromium arsenic (CCA) treated timber. For information on the dangers of asbestos, lead-based paint and CCA treated timber and tips for dealing with these materials contact your local council's Environmental Health Officer. You can also use a simple test kit from Bunnings to indicate the presence of lead-based paint.
Please note: Our range of engineered stone products is no longer available. Our team members can help you with our wide range of alternatives to suit your project, and we're working closely with our suppliers to introduce new options soon.