Other changes could include new appliances, such as a washing machine, dishwasher or power shower, that use more water than your previous appliances.

Take a look at our tips for saving water in the home.

A dripping tap, leaking toilet or a leak on hidden pipework can all add up, so it's important to get any leaks repaired as soon as possible.

Find out more about how to identify a leak in the home and what you need to do.

If your previous bill was based on an estimated reading, we may have underestimated how much water we expected you to use. If an actual reading has now been taken, this could result in an increased bill amount.

When your bill arrives, you can check to see whether an estimated or actual reading has been used to calculate your bill. Alternatively, you can log in to MyAccount* to view the details of your latest meter reading.

• How to locate your water meter
• How to read your meter
  
  

*If you don't have an account set up already, it's quick and easy to register. All you need is your customer reference number (which can be found on your bill) and an email address.