21 June 2026 (launch baseline)
- Statutory Biodiversity Metric v4.0 (JP039) arithmetic implemented in plain TypeScript.
- Defra statutory credit prices loaded from the 2 June 2026 GOV.UK schedule.
- Off-site unit price bands sourced from the February 2026 Biodiversity Units UK market report.
- NSIP extension copy live for the 2 November 2026 commencement date.
- Small-sites 0.2 ha exemption copy reflecting the 31 July 2026 confirmation.
Planned next updates
- Refresh off-site unit price bands when the Q3 2026 Biodiversity Units UK market report publishes.
- Update brownfield-consultation page when Defra publishes the consultation response.
- Land the named MCIEEM reviewer byline when sign-off is in place.