Biodiversity Net Gain
Net Gain requirements apply to all developments that require planning permission under the Town and Country Planning Act 1990 (TCPA). The Net Gain requirement also applies to Nationally Significant Infrastructure Projects (NSIP) consented under the Planning Act 2008.
There are some exemptions from the requirement to show a Net Gain.
General Permitted Development. If your project is exempt from the TCPA under the Town and Country Planning (General Permitted Development) (England) Order 2015, then it is also exempt from the requirement for Biodiversity Net Gain.
If your proposals are for:
How is Biodiversity Net Gain Calculated?
Post-development biodiversity units
Pre-development biodiversity units
For the post-development Metric calculation, all the above criteria are used along with: