4. BNG application requirements and process
If your development is not exempt, you will need to submit the following with your planning application:
- A completed BNG Metric calculation (see guide below) demonstrating a minimum 10% net gain, using:
- The Biodiversity Metric 4.0 for major developments. This must be completed by a qualified ecologist.
- The Small Sites Metric for eligible minor developments. This must be completed by someone capable of identifying habitats in line with UKHab's classifications.
- Your BNG Plan showing:
- Habitat baseline assessment.
- Proposed habitat enhancements.
- Implementation timeline.
- Management and monitoring arrangements for the 30-year period.
- The site layout plans showing the location and extent of habitat retention, enhancement, and creation.
Planning Application Process
- Pre-application consultation - We strongly encourage you to engagement with our team at the earliest opportunity (see pre-application advice).
- Application submission - Including all required BNG documentation.
- Application validation - Checking all necessary BNG information is included (see validation checklist).
- Application assessment - Review by planning officers and ecology specialists.
- Decision and securing BNG - Through legislation, planning conditions and/or legal agreements.