How prices are set

Here we explain the annual pricing review process, how water prices are set and how rateable value is used.

Customers in Perth

Service charges

In Perth, most bills include 3 service charges – water, drainage and wastewater. From 1 July 2019, water service charges will increase by 2.5%, and drainage and wastewater service charges will increase by an average of 2.5%.

Water use

From 1 July 2019,  a 2.5% increase will apply to charges for water use.

Regional customers

Service charges

In regional areas, water bills include 2 services charges – water and wastewater. From 1 July 2019, water service charges will increase by 2.5%, and wastewater service charges will increase by an average of 2.5%.

Customers outside of the metro area are not charged for drainage services.

Water use

From 1 July 2019, 2.5% increase will apply to charges for water use.

Calculate your bill and charges

Different charges apply to different parts of the State, depending on the cost to provide water services to the area. You can use our online bill and charges tool to calculate service and water use charges for your home.

Your bill & charges

Rateable value

We use the rateable value of your property to calculate the wastewater and drainage charges.

The rateable value is based on the annual rental value of your property, which is what you might receive if you leased out your property, or by a percentage of the vacant land value. Landgate Property Valuation Services provide this figure.

The calculation of a rateable value for a residential property is based on a number of factors, such as:

  • location
  • proximity to services (schools, public transport, shops etc) 
  • age and functionality 
  • additional facilities 
  • provided accommodation 
  • size and area
  • age of property. 

For residential vacant land and other specialised properties, the rateable value is based on 3% of the property's capital value, or the amount the land and any buildings might reasonably sell for.

Revaluation

Properties in the metropolitan area are revalued every 3 years, and regional areas are revalued on a recurring basis dependent on local governments.

There is also a process each year, which assesses properties that have had additions or improvements done.

Pricing variations

Aside from metropolitan and regional variations there are certain groups of customer who have different charges or discounts that apply. You can view the pricing variations list for more details.

We are here to help

We look at every situation on a case-by-case basis and have a range of flexible payment options that can be tailored to meet your needs.