Biodiversity net gain
Summary
The article explains the UK Government’s planning practice guidance on biodiversity net gain in England. It sets out the statutory requirement for most developments to achieve at least a 10% biodiversity value uplift, usually secured through a Biodiversity Gain Plan before commencement of works.
Why it matters
Residential property surveyors involved in planning, development appraisals or site due diligence need to understand how biodiversity net gain affects planning conditions and delivery timelines. It is also relevant when assessing land value, development constraints and the feasibility of schemes with ecological sensitivities.
Key points
- Biodiversity net gain is a statutory planning requirement in England under the Town and Country Planning Act 1990 as amended.
- Most developments must achieve at least a 10% increase in biodiversity value relative to pre-development habitat.
- The requirement is generally discharged through a Biodiversity Gain Plan approved before development starts.
- Gains can be delivered onsite, offsite via registered biodiversity gains, or through statutory biodiversity credits.
- There are exemptions, transitional arrangements and special rules for phased development and irreplaceable habitats.
Organisations:
UK Government, DLUHC
Regulations:
Town and Country Planning Act 1990, Environment Act 2021, Levelling Up and Regeneration Act 2023, Biodiversity Gain (Town and Country Planning) (Consequential Amendments) Regulations 2024, Planning Practice Guidance
Locations:
England
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