BNG for NSIPs delay: implications for DCO strategy and design teams
Reviewed by Joe Ashwell

First reported on New Civil Engineer
30 Second Briefing
The BNG Federation accuses the UK government of breaking its promise to set a clear timetable for applying biodiversity net gain (BNG) rules to nationally significant infrastructure projects (NSIPs), leaving major schemes in a “regulatory vacuum”. Developers of large highways, energy and rail projects currently lack certainty on when and how the statutory 10% BNG requirement will apply, complicating land acquisition, habitat design and long-term management plans. The federation warns that without a defined start date and guidance, DCO applications and environmental impact assessments risk delay and redesign.
Technical Brief
- Federation argues the “regulatory vacuum” risks inconsistent BNG treatment between Town and Country Planning Act schemes and NSIPs.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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