New build homes - property developers

Please note this form is only for developers of new homes in the UK which have already been registered with Openreach and for which you have received a unique New Site Identifier (NSI).

If you are a developer and have not yet registered your site or you are waiting for an NSI to be provided and would like help, or would like additional information on how we work with developers in the UK please visit

We'll use the information you provide to investigate and progress your query.

Please also read our privacy policy which describes how we may use your personal information.

Questions marked with an asterix "*" are mandatory.

Your Name 

Contact Number 

Your companys name *

Your email address *

Please confirm your email address *

New Site Identifier 

NSI Reference 

What is your issue about? Please tick all that apply *

Please provide more detail about your issue 

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