Nationally Significant Infrastructure Project (NSIP) information

Information about how NSIPs work, including guidance for project promoters, local authority officers, town and parish councils.

Our guidance for a range of interested parties

We have created a suite of guidance for town and parish councils, local authority officers and NSIP developers. Find out more about how you can engage with the NSIP process below. 

Gullwing bridge with it's span open from an aerial position
Information for NSIP developers and project promoters
Suffolk County Council’s expectations and guidance for developers and promoters of NSIPs in Suffolk.
NSIP information for town and parish councils
Guidance for affected town and parish councils on how to engage in NSIP processes.
NSIP information for individuals and businesses
How individuals and businesses with interest in land affected by an NSIP can engage with the process.