The bathroom vanity is the anchor of the room, helping to set the tone when you enter the space, and that’s why the size you choose matters. 

Too small can make your space seem out of proportion, too big can make the vanity overbearing and distracting from other design features.

Choosing the right vanity size depends on a few factors specific to your bathroom space. Here's how to approach the process with confidence.

Start With Your Bathroom Space, Not the Vanity

Before falling in love with a particular vanity style, take a critical look at your bathroom.

Grab a tape measure and note the width, depth, and height of the area where your vanity will sit. These three measurements will guide every decision that follows.

A common mistake people make is focusing only on floor space and forgetting the details around it: the door swing radius, clearance beside the toilet, or the height of a window above the basin. These elements shape what will actually fit and function comfortably in your bathroom.

As a general guide:

• Ensuite or master bathroom: You often have room to go larger. A double vanity in the 1200mm–1800mm range creates a sense of luxury and generous bench space.
  
  
• Main family bathroom: A single vanity between 750mm and 900mm is a practical and elegant choice that leaves room for movement.
  
  
• Powder room or guest bathroom: Compact vanities from 450mm to 600mm can feel beautifully considered in a smaller footprint.

These are starting points, and the right size is always the one that suits your space.

How to Find the Right Vanity Size and Proportion

Beyond the practical measurements, think about how you’ll actually be using the space, and importantly, who will be using it most often. Families with small children might want to factor in storage space needs, whereas en-suites and less frequently used guest bathrooms might need something less storage-focused and more aesthetically focused.

Other considerations to help you find the right size vanity for your space include:

• Lifestyle and bench space: A shared bathroom needs more storage and surface area than a solo ensuite; think about whether you prefer everything on display or a clean, minimal bench.
  
  
• Storage needs: A deeper vanity or one with well-designed drawers can reduce the need for extra cabinetry elsewhere.
  
  
• Wall-hung vanities: Ideal for smaller bathrooms; elevating the unit off the floor creates visual space and makes cleaning easier.
  
  
• Room shape and ceiling height: In narrow bathrooms, a full-width vanity makes the space feel longer. Tall ceilings suit taller mirrors and storage combinations, while lower ceilings might benefit from a freestanding vanity.
  
  
• When in doubt, size up: Generous proportions rarely disappoint, and the extra bench and storage space are unlikely to be something you'll regret.

3 Mistakes to Avoid When Choosing the Right Bathroom Vanity

Choosing the wrong vanity can be frustrating to fix. Once you’ve thought about the above, here are three mistakes to avoid:

1. The wrong plumbing position: Where your existing waste and water connections sit will influence which configurations work without significant replumbing. A freestanding or floor-mounted vanity has different requirements from a wall-hung unit. Make sure you check this with your plumber before making any purchases.
   
   
2. Lack of door and access clearance: Ensure there's enough clearance for vanity drawers and doors to open fully without obstruction. Around 700mm–900mm of clear space in front of the vanity is a comfortable benchmark.
   
   
3. Too much benchtop overhang: If you're pairing a vanity with an undermount or semi-recessed basin, factor the benchtop into your overall depth measurement.

Getting it Right For Your Space

When a vanity is well-sized for its space, the room feels balanced, the morning routine feels easy, and the details you've chosen work in harmony to create a space that feels good (functional) to be in.

Looking for your perfect vanity? Explore our curated vanity range or get in touch with our team if you'd like help finding the right fit for your project.