Council approval is not required for every home plumbing job in Sydney. Straightforward maintenance may not need development approval, but renovations, relocated fixtures, drainage changes, new connections or associated building work may require approval, notification or inspection. Check which plumbing work requires a licensed NSW plumber before starting.
When approval may be required
What you need depends on the full scope of work, not simply the project’s size.
Replacing a tap, toilet or similar fitting in the same position without altering pipework or drainage is less likely to need development approval. However, plumbing licensing and compliance requirements may still apply.
Additional checks are more likely when work involves:
- moving or adding toilets, basins, showers or other fixtures
- altering sanitary drainage or water services
- installing new water or sewer connections
- extending a bathroom, kitchen or laundry
- structural or other building work
- building over or near Sydney Water assets.
For a larger project, review the NSW internal renovation approval pathways as well as the plumbing requirements. Development approval is separate from plumbing compliance. Your council or planning professional can advise whether development consent is needed.
A licensed plumber should confirm plumbing notifications, inspections and compliance documents. Sydney Water requirements may also apply where work affects its connections or assets.
Depending on the work, documents may include a Notice of Work, Certificate of Compliance or Sewer Service Diagram. Confirm the current requirements before work starts rather than assuming minor work is exempt.
What to check before starting
- Define the full scope: Include fixtures being added, removed or moved, pipework and drainage alterations, and associated wall, floor or structural work.
- Check the plumber’s licence: Confirm they hold the appropriate current NSW contractor licence and ask what notifications, inspections and documents apply.
- Confirm other approvals: Check development requirements with the local council or a planning professional, and contact Sydney Water if connections or utility assets may be affected.
Do not attempt regulated water, sewer or sanitary drainage work yourself. Incorrect work can contaminate drinking water, expose people to sewage or damage the property.
Contact our licensed plumbing team to review the proposed scope and identify which regulators or authorities should be consulted before work begins.