BNG for NSIPs guide

From 2 November 2026, every new Development Consent Order application for a Nationally Significant Infrastructure Project must deliver at least a 10% gain in biodiversity, secured for 30 years.

To help promoters prepare, we’ve brought together insights from thirty experts across twenty-five leading organisations. This quick guide covers what examining authorities want to see, where the real risks lie, and what it takes to deliver BNG, with sector-specific insights for energy, transport, water and coastal schemes.


Explore how we can support your NSIP developments