Croydon's development plan Croydon's local plan and supported guidance, showing the borough's approach to development. Conservation and heritage Find out more about conservation in Croydon and how we protect our heritage. You should check the guidance in this section if you're planning a development or making changes to your property. Further planning guidance Supplementary planning documents and guidance, including the Croydon Suburban Design Guide, Croydon masterplans and the Croydon Public Realm Design Guide. Article 4 directions Article 4 directions remove permitted development rights within a certain area. You may need to seek planning permission to carry out building work in these areas. Interactive map Planning evidence and information Monitoring reports, the Brownfield register, sustainability appraisal, health impact assessment and local plan evidence. Get involved in Croydon's planning Help shape the future of development in Croydon.