Document Status
Current
Supplement
Sustainability, Environment, Development & Planning
Series
Advice Note
Abstract
Provides advice on Nationally Significant Infrastructure Projects (NSIPs) with regard to the process for undertaking cumulative effects assessment. Covers: legal and policy requirements for cumulative effects assessment; interrelationships and combined effects; consideration of cumulative effects in screening Schedule 2 development; overview of the cumulative effects assessment process; Stage 1: establishing the long list of other existing and, or approved development; Stage 2: establishing a shortlist of other existing and, or approved development; Stage 3: information gathering; and Stage 4: assessment.
History
Last updated: 14 July 2026 - Updated preamble to remove reference to publication of advice page(s) under s51 of the Planning Act 2008. Sourced from: https://www.gov.uk/guidance/nationally-significant-infrastructure-projects-advice-on-cumulative-effects-assessment and converted to pdf. Whilst we endeavour to capture all updates it is subject to receiving alerts from the publisher and there may be formatting or punctuation changes applied to the html version that do not affect the text. Document type: guidance. First published: 20 September 2024.
Subjects
- Planning and development
- Planning control
- Planning control, England
- Strategic planning
Publisher History
The Planning Inspectorate processes planning and enforcement appeals and holding examinations into regional spatial strategies and local development plans.