This is CIEEM’s Briefing Paper on what Part 3 of the Planning and Infrastructure Bill means for Developers and Constructors, following discussions with these groups, summarising the adverse implications of the proposals as contained in the Bill at the end of July 2025, noting that future amendments may exacerbate or ameliorate these concerns.

1. Greater Complexity In The Planning System For The Foreseeable Future 

2. Reduction of Private Investment In, And Availability Of, Off-Site Mitigation Solutions 

3. Reputational Damage, Animal Welfare Concerns and Stakeholder Resistance 

4. Potential Breach Of The Trade And Cooperation Agreement With The European Union