Biodiversity Net Gain
Guides & Resources
Practical starting points for developers, landowners and project teams working with BNG in England.
Guide
March 2026
8 min read
Eligible developments in England generally need to deliver at least 10% biodiversity net gain, subject to exemptions and transitional rules. This guide explains the main concepts and next steps.
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Technical
March 2026
6 min read
The Small Sites Metric may apply to certain eligible small developments. The guide explains the main checks, while current eligibility and competence requirements must still be confirmed for each project.
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Tool
March 2026
3 min read
Draw a boundary and review an indicative baseline using available environmental data. This explains the screening output, assumptions and limitations.
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Guide
March 2026
5 min read
See how available records from environmental sources can support an initial desk-based review without replacing surveys, verified habitat data or professional judgement.
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News
March 2026
4 min read
BNG costs vary materially with site, season, scope, habitat impacts and delivery strategy. This guide explains the main cost categories without treating screening as formal survey or metric work.
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