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Advice and guidance

Use the links below and on the left of this page to find out more about planning procedures, planning permission, building regulations, building control, tree applications, renewable energy planning and more.

Planning Portal The Planning Portal provides a range of planning information and services.


Planning GuideThe Cornwall Planning Guide provides guidance about various different stages of the planning process.  View Planning Guides for different areas of Cornwall below:

Householder's interactive guide to planning permission  An interactive tool which gives informal guidance on householder permitted development rights.

Householder design guide for domestic alterations and extensions to existing dwellings General principles and guidelines to good design for householder developments.

Householder submission guide Detailed advice on what’s required to submit a householder planning application.

Tree application submission guide Detailed advice on what’s required for an application for works to a tree covered by a Tree Preservation Order (TPO) or to trees in a Conservation Area.

Make an application and download forms Downloadable application forms and guidance on completing them. We also provide an optional validation checking service which helps to speed up the registration of your planning application.

Development types and definitionsView the different development types and definitions for each type, including definitions of major and minor planning applications.

Pre-application planning and building control advice If you know you require planning permission, you can use our optional pre-application advice service.  We’ll check you’ve submitted the correct fee, make sure you’ve provided all the information needed to process your application and provide you with a case officer who will meet with you to discuss your application.

Planning and building regulation guidance Find planning and building regulations guidance (including case studies) on many common projects in the home.

Renewable energy planning guidance Guidance on the development of solar photovoltaic arrays in Cornwall, as well as links to the latest solar photovoltaic maps, wind turbine screenings, onshore wind turbines and energy conference presentations. 

Fee calculator Calculate the cost of an application.

Use our current fees and charges document to check details of statutory and discretionary charges for planning, building control and land charges.  A simple planning fee guide is also available to download.

Site plans

Available from these libraries: Bude, Redruth, St Austell, St Ives and Truro. Ring 0800 0322 345 to make an appointment for this service.

Other guidance

If the advice you need is not available on our website, please contact the Planning and Regeneration Service.