Northern Ireland Planning Service

Understanding Permitted Development and Use Classes

There are three key pieces of planning legislation which control the development and use of land in Northern Ireland.

The three key pieces of Planning legislation are 'The Planning (Northern Ireland) Order 1991', 'The Planning (Use Classes) Order (Northern Ireland) 2004' and 'The Planning (General Development) Order (Northern Ireland) 1993'.

These are:
Following these links will help you understand what these pieces of legislation do and the relationship between them.