Technical consultation on the biodiversity metric

Closed 27 Sep 2022

Opened 2 Aug 2022

Results updated 19 May 2023

There were 220 responses to the technical consultation on the biodiversity metric which were broadly supportive of our proposed metric updates and policy positions. The Government response (published 20 March 2023) sets out updated policy positions. 



Questions in this consultation 

There were 8 questions in this consultation. There were 4 additional questions for confidentiality and respondent information which were included at the beginning of the online survey only. The consultation questions were therefore numbered as follows: 

  • Question 1 (Question 5 online) 
  • Question 2 (Question 6 online) 
  • Question 3 (Question 7 online) 
  • Question 4 (Question 8 online) 
  • Question 5 (Question 9 online) 
  • Question 6 (Question 10 online) 
  • Question 7 (Question 11 online) 
  • Question 8 (Question 12 online) 

Useful documents 

At the bottom of this page, a PDF version of the consultation document is available. Annex A is only included in the PDF document and not within the online survey. 

Purpose of this consultation 

The Secretary of State for Environment, Food and Rural Affairs has a statutory obligation under the Environment Act 2021 to consult on a biodiversity metric for measuring biodiversity net gain. 

Responses from this consultation were incorporated into the updates made. 

Timeframes of this consultation 

The consultation opened Tuesday 2nd August and closed at 23:59 on Tuesday 27th September.  


  • Charities/Voluntary Organisations
  • AWBs
  • Environmental campaigners
  • Government Departments
  • National Park Authorities
  • Environmental professional services
  • House Building Industry
  • Local Authorities
  • Policy Teams
  • Local Authorities
  • Non-Government Organisation
  • Landowners and their representative bodies
  • Land Agents
  • Professional and Membership Organisations/Agencies
  • Consultants


  • Natural environment
  • Biodiversity
  • Green infrastructure
  • Ecosystems services
  • Construction
  • DEFRA Policy
  • Policy and Delivery