Get consent for planned plumbing work
The installer, owner or occupier needs to tell us about some types of planned plumbing before work can begin.
Work can't begin until we grant consent
Under the Water Supply (Water Fittings) Regulations 1999, some work cannot begin until we have given consent.
We will assess the application and grant or deny consent.
If granted, your consent may be subject to certain conditions, which you must follow.
If we do not give consent within ten working days, you must consider it granted. We will not withhold consent without good reason.
The installer, owner or occupier must make sure the work meets the Water Supply (Water Fittings) Regulations 1999.
Plumbing work that needs our consent
You need to tell us about the following types of work:
You also need to tell us about the proposed installation of a:
Consent exemptions for Watermark and WaterSafe members
If you’re a member of WaterMark or WaterSafe, you won't need to notify us in advance of some work. Instead, you will have to certify upon completion.
These exemptions are:
Information you must include with the notification
When you notify us of work, you will need to include:
How to notify us of work you are going to carry out
You will need to submit a notification from, sometimes known as a Reg5 form, before the work begins.
First, you’ll need to download a notification form [PDF] and complete it.
Once you have completed the form, you’ll need to send it to our Water Fittings Regulations team.
You can email our Water Regulations team, call them on 0345 266 7922 or write to:
Hafren Dyfrdwy, Water Fittings Dept
West Service Road, Raynesway
Derby DE21 7BE.