Nationally Significant Infrastructure Projects: Commitments Register
Summary
The Planning Inspectorate has published non-statutory advice on using a Commitments Register for Nationally Significant Infrastructure Projects (NSIPs). The guidance explains how applicants should record and update mitigation, design and monitoring commitments from scoping through to post-decision stages, including submission alongside the Environmental Statement.
Why it matters
For residential property surveyors involved in infrastructure-adjacent work, the guidance is relevant because NSIP commitments can affect environmental mitigation, design assumptions and construction impacts. It also highlights how commitments may be tracked and secured through the planning process, which can influence later site conditions and risk assessments.
Key points
- Commitments Registers are intended to track measures throughout the NSIP process, including post-decision stages.
- The guidance distinguishes between embedded measures, additional measures and monitoring commitments.
- A first iteration should be provided at scoping, with a final version submitted with the application as a separate Environmental Statement appendix.
- The register should be treated as a live document and updated through detailed design, procurement, construction, operation and decommissioning.
- The advice is non-statutory but is presented as good practice by the Planning Inspectorate.
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