Something has gone wrong
Start with no hot water if the shower has run cold, or smelly drains if there's a sewer smell in the house. How to unblock a drain covers what to try first, and when to stop before you make it worse.
Before you hire anyone
How to choose a plumber lists the red flags regulators have acted on. Reading a plumbing quote shows what a complete quote contains. Checking a plumber's licence explains each state's register, and compliance certificates covers the paperwork you're owed when the job is done.
Thinking of doing it yourself? What you can do yourself sticks to the lists regulators have published.
Pipes, drains and hot water
Who owns the sewer pipe explains why the answer depends on your water company. Relining or replacing compares the two ways to fix a damaged pipe. Hot water temperature and scalds explains why water is stored hot and delivered cooler.
When a guide shows the job needs a professional, we match you with one licence-checked plumber who specialises in that kind of work.