Strategic Environmental Assessment
Produced in partnership with Dentons

The following Planning practice note produced in partnership with Dentons provides comprehensive and up to date legal information covering:

  • Strategic Environmental Assessment
  • Relevant law
  • When is SEA required under the SEA Regulations?
  • Plans and programmes for which SEA is required
  • Plans and programmes for which SEA is not required
  • Restriction on adoption of submission of plans and programmes requiring SEA without SEA
  • Who is responsible for carrying out SEA
  • Preparing environmental report
  • Contents of environmental report
  • Alternatives
  • More...

Strategic Environmental Assessment

Coronavirus (COVID-19): This Practice Note contains guidance on subjects potentially impacted by the government’s response to the coronavirus outbreak (see: Availability of SEA documents during coronavirus (COVID-19) epidemic). For further updates on key developments and related practical guidance on the implications for lawyers, see: Coronavirus (COVID-19)—Planning and the Coronavirus (COVID-19) toolkit.

Relevant law

Archived Directive 2001/42/EC 'on the assessment of the effects of certain plans and programmes on the environment' as it had effect immediately before 11pm on 31 December 2020 (the Archived SEA Directive), requires a formal environmental assessment of certain plans and programmes which are likely to have significant effects on the environment. Authorities which prepare and/or adopt such a plan or programme must:

  1. assess the likely significant effects on the environment of implementing the plan or programme, and reasonable alternatives, and prepare a report on the findings of that assessment

  2. consult environmental authorities and the public

  3. take the report and the results of the consultation into account during the preparation process and before the plan or programme is adopted

  4. make information available on the plan or programme as adopted and how the environmental assessment was taken into account

In England, the Archived SEA Directive was implemented by the Environmental Assessment of Plans and Programmes Regulations 2004 (the English SEA Regulations). In Wales, the Archived SEA Directive was implemented by the Environmental Assessment

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