Compare like with like
Check the periods being billed, whether readings are actual or estimated, and changes in occupancy or water use.
Look for supporting evidence
Unexplained meter movement or persistent wet ground may help frame an investigation, but neither establishes an exact leak location.
Share the record
Provide relevant readings, dates and correspondence when describing the concern.
Explore the relevant service
General information for planning an investigation. The property, instruction and findings determine the appropriate work.