6 Common Bathroom Vanity Sizes For Your Renovation

There are 6 common popular standard bathroom vanity size ranges to choose from based on vanity width:

1. 600 mm (60 cm) Single Vanities
2. 750 mm (75 cm) Single Vanities
3. 900 mm (90 cm) Single Vanities
4. 1200 mm (120 cm) Double Vanities
5. 1500 mm (150 cm) Double Vanities
6. 1800 mm (180 cm) Double Vanities

These sizes often are the starting size for the size range, as there is no set minimum or maximum size for bath vanities and sizes can range between the 6 options depending on manufacturer and style.

It is essential that you measure your bathroom to determine which vanity size best suits your space. Take into account installation, position, plumbing and the positioning of other bathroom items such as the toilet, bathroom tapware, shower, medicine cabinet and bathtub when selecting the right size. 

Standard Single Bath Vanity Sizes

 What sizes do single bath vanities come in? Is one of the most asked questions on our showroom floor. These sized vanities come in 3 distinct standard sizes:

1. 600 mm (60 cm) Single Vanities
2. 750 mm (75 cm) Single Vanities
3. 900 mm (90 cm) Single Vanities

These sized bath vanities suit smaller bathrooms or powder rooms due to their size and price.

1. 600 mm (60 cm) Width Single Bathroom Vanity

They are ideal for bathrooms with restricted space. This is typically for smaller sized homes, such as apartments or smaller-sized powder rooms.

2. 750 mm (75 cm) Width Single Bathroom Vanity

This size provides a little more counter and storage space without taking up too much extra room. If you want more space and storage, this size is ideal.

3. 900 mm (90 cm) Width Single Bathroom Vanity 

One of the most widely used sizes for single vanities, it balances functionality, storage and bench space. This size is mostly chosen for medium sized bathrooms such as powder rooms or guest bathrooms. 

Standard Double Bathroom Vanity Sizes

 What sizes do double bath vanities come in? Double vanities come in 3 distinct standard sizes:

1. 1200 mm (120 cm) Double Vanities
2. 1500 mm (150 cm) Double Vanities
3. 1800 mm (180 cm) Double Vanities

Double vanities are ideal for master bathrooms or large guest ensuites. These large units can form the centrepiece piece of any bathroom renovation and should be measured thoroughly to ensure enough space for other bathroom fittings.

1. 1200 mm (120 cm) Width Double Bathroom Vanity

This double vanity size is ideal for when you have limited space but want to have two sinks. This size provides exceptional bench and storage space while avoiding the cramped feel and come in wall hung vanity options.

2. 1500 mm (150 cm) Width Double Bathroom Vanity

This mid-sized double vanity is perfect for family or master bathrooms that have generous space available. This range of vanities will have both practical bench space and ample storage, which is ideal for most bathrooms.

3. 1800 mm (180 cm) Width Double Bathroom Vanity

The larger 1800 mm vanity provides the largest counter and storage space for larger master bathrooms.

 When selecting this size vanity, ensure you have taken into account positioning, installations, plumbing and other bathroom fittings. 

What Depth Should A Bath Vanity Be?

How deep should a standard bathroom vanity be? Most range from 450 mm to 500 mm to provide ample functional depth.

If your bathroom is small, opt for a depth of 450 mm or less to create the feel of more space.

How High Should A Bathroom Vanity Be?

What is the standard bathroom vanity height? The standard bath vanity height is between 850 and 900 mm.

Ensure that the vanity is ergonomically high enough and functionally positioned for the main people using the bathroom.

You may want to choose a smaller to medium sized vanity in the kids bathroom while choosing a medium to higher height for the main and guest bathrooms. 

Remember that there isn't a standard bathroom vanity dimensions when it comes to height and depth, so ensure you measure both your space and the vanity.

Bathroom Vanity Advice & Support

If you are unsure of what size bathroom vanity would suit your bathroom, measure the space and create a blueprint of the area you have available.

From there, either consult a professional plumber or builder for advice. Once you have the right advice and measurements, come in-store or contact one of our team members to find the ideal vanity for your renovation. 

For more inspiration on your bathroom renovation, read through our guide for the best bathroom trends in 2025! This covers in-style designs and bathroom concepts that will turn your bathroom into a functional yet stylish space. From bath vanities to styling inspiraiton foudn nowhere else.