Learn

BNG explained from first principles

Plain-English guides covering every aspect of Biodiversity Net Gain in England, from the basics to the latest 2026 reforms.

The 10% requirement, who it applies to, and why it exists

How habitat value is calculated using DEFRA Metric 4.0

On-site, off-site, and statutory credits: the three delivery routes

Conservation covenants vs S106: which to use and when

Habitat matching, distinctiveness tiers, and geographic rules

Current thresholds and the new 0.2ha exemption coming before 31 July 2026

Last resort pricing from £42k per credit, the 2x SRM explained

BNG for Nationally Significant Infrastructure from 2 November 2026

What the register contains, how to search it, and how to register

Everything changing this year: exemptions, NSIPs, LNRS, NPPF

Spatial data sources, GIS tools, and habitat survey accuracy