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Cost of waterproofing a bathroom and other wet rooms

Last updated: 21st May 2019

A waterproofing job costs $35/m2 on average. Final prices, however, are usually determined by the size of the job. A bigger area will cost around $45/m2 to waterproof. On the other hand, waterproofing a smaller space costs approximately $33/m2.

Where do these prices come from?

All prices stated in this article are based on FY 2016 pricing data compiled by The figures resulted from a comprehensive analysis of quotes submitted by Waterproofing Experts on the site from July 2015 to July 2016.

Cost issues: What areas do you need to waterproof?

A standard waterproofing job will cost you approximately $319.37. This price is still subject to change depending on the area you need to waterproof. For example, the average price of waterproofing a small bathroom is about $348.37, while the average cost of a typical balcony waterproofing job is around $299.56.

How waterproofing protects your home—and finances—from future damage

Making parts of your home waterproof is one of the things you can’t do away with. In fact, it’s one of those things that you need to get perfectly right; otherwise, you’ll be paying heaps for water damage repair.

Waterproofing ensures that moisture won’t be able to seep through and weaken your home’s foundation. These are some areas that you need to waterproof:

  • Bathroom
  • Laundry
  • Basement
  • Balcony
  • Roof
  • Swimming pool and water features

Because of the importance of waterproofing, it’s best to hire only a qualified tradesman to take care of your job. Always make sure that they are fully licensed and insured and that their work adheres to Australian standards.

Bathroom Renovators

You should also take note that there are tradies specialising in this specific type of job. However, some plumbers can also handle waterproofing work granted that they are qualified and licensed for the task.

Cost of waterproofing

Click the infographic image to expand.

Same unit per state, varying rates

In New South Wales, a waterproofing job can go for an average cost of $35/m2. This is one of the most affordable prices for this type of service in Australia.

Meanwhile, waterproofers in Victoria and Queensland charge the same average price, which is around $45/m2. This is lower than the average rate of waterproofing experts in Western Australia, which is approximately $50/m2.

If you are looking for reliable waterproofing experts, is the best place to go to. We have an array of tradesmen who are keen to help you out and deliver a high-quality job.



Pricing information correct as at August 2016.

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