Building over or near a sewer

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If you’re planning to improve your home by extending it, adding a conservatory, annex or garage it’s likely there will be pipes within your land. As well as checking the local authority's Building Regulations, it's important you work with us to make sure the pipework is protected and our access isn't restricted.

Do you need approval?

If you’re unsure whether you need our approval to begin work, you can find out more in this section.
Find out more

Getting approval

Discover the steps involved in getting approval, what you need to do and how long the process will take.
Step-by-step guide

Submit your application

You can make an application online or by post.
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Make a payment

Pay online or discover other ways to pay.
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