BNG for NSIPs November 2026 Mandatory Start: The Complete Guide for Developers and Ecologists
Last updated: May 31, 2026 Quick Answer: Mandatory Biodiversity Net Gain for Nationally Significant Infrastructure Projects comes into force on 2 November 2026, following the Defra and DESNZ government response to the NSIPs BNG consultation. All onshore NSIPs in England must achieve at least 10% net gain, calculated against the 'BNG boundary' (the area actually […]
