Three Rivers District Council: Local Plan Intervention letter 18.3.2026 | Her Majesty's Revenue and Customs Local Plan Intervention: letter from the Minister of State for Housing and Planning, Matthew Pennycook MP, to Three Rivers District Council. The Minister of State for Housing and Planning, Matthew Pennycook MP, has written to Three Rivers District Council about their Local Plan. https://www.gov.uk/government/publications/three-rivers-district-council-local-plan-intervention-letter