| Class A | ||
| Permitted development | A. | Development by or on behalf of the Department of Agriculture and Rural Development consisting of drainage works. |
| Development not permitted | A.1 | Development is not permitted by Class A if it would consist of or include— (a) the erection, construction, extension or alteration of a building and that building so constructed or altered would exceed 5 metres in height or 50 cubic metres in capacity; or (b) the installation, erection, improvement or other alteration of any plant or machinery and that plant or machinery so installed or altered would exceed 15 metres in height or the height of anything it replaces, whichever is the greater. |
| Interpretation of Class A | A.2 | For the purposes of Class A— “drainage works” has the meaning assigned to it by Schedule 2 of the Drainage (Northern Ireland) Order 1973(1). |
| Class B | ||
| Permitted development | B. | Development requiring the preparation of an environmental statement for the purposes of the Drainage (Environmental Impact Assessment) Regulations (Northern Ireland) 2006(2). |