Find out who's responsible for a drain or sewer
Responsibility for drains is split between:
- you, as a homeowner
- the water company
You’re responsible for any maintenance and repairs for the drain that serves your property.
Drain responsibility and property boundaries
The diagrams below will help you identify who’s responsible for a drain.
The pink pipe is the water companies responsibility, and the green pipe is the responsibility of the homeowner.
If a problem is outside of your property boundary, you may need to contact your water company.
Drains you're responsible for
You're responsible for the maintenance and repairs of:
- internal plumbing
- private drains
- shared private drains
You'll need to arrange for a plumber or specialist to fix the problem. We cannot recommend any commercial services.
Drains your water company is responsible for
Your water company is responsible for the maintenance and repairs of:
- lateral drains
- private sewers
- public sewers
Report a blocked drain on the road
As the highway authority, we're responsible for drains and gullies on the road. You can report a blocked drain or flooding online
Report a flood
Find out how to report a flood