Planning Law in Northern Ireland
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Planning Policy & Legislation


The Planning (Northern Ireland) Order 1991 contains the principle planning law for Northern Ireland and places a general duty on the Department of Environment (DOE) to formulate and co-ordinate policy for development of land and the planning of that development.

The Planning Reform (Northern Ireland) Order 2006 makes provision for the DOE to reform and improve planning processes while also enhancing transparency and community involvement in the planning system.

Interactive Timeline

The interactive timeline outline the evolution of Planning Policy and Legislation in Northern Ireland from 1878 through to the present day. Each policy and legislation document has been colour coded and ranked by its importance and relevance. Links have been included to each online policy document. Where online documents do not exist a link to the Queen’s QCat Library Catalogue has been provided.

Planning Law Timeline

View the Planning Policy & Legislation Timeline (opens in a new window)

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