| Class A | ||
| Permitted development | A. | The carrying out on operational Crown land by or on behalf of the Crown of development (including the erection or alteration of an operational building) in connection with the provision of services and facilities at an airbase. |
| Development not permitted | A.1 | Development is not permitted by Class A if it consists of or includes— (a)the construction or extension of a runway; (b)the construction of a passenger terminal; (c)the extension or alteration of a passenger terminal, where the floor space of a building as existing at 10th June 2006 or, if built after that date, of the building as built, is exceeded by more than 15%; (d)the erection of a building other than an operational building; or (e)the alteration or reconstruction of a building other than an operational building, where its design or external appearance is materially affected. |
| Condition | A.2 | Development is permitted by Class A subject to the condition that the relevant airbase operator consults the council before carrying out any development unless the development— (a)is urgently required for the efficient running of the airbase; and (b)consists of the carrying out of works, or the erection or construction of a structure or of an ancillary building, or the placing on land of equipment, and the works, structure, building or equipment do not exceed 4 metres in height or 200 cubic metres in capacity. |
| Interpretation of Class A | A.3 | For the purposes of Class A— (a)floor space shall be calculated by external measurement and without taking account of the floor space of any pier or satellite; (b)“operational building” means an operational Crown building, other than a hotel, required in connection with the movement or maintenance of aircraft, or with the embarking, disembarking, loading, discharge or transport of passengers, military or civilian personnel, goods, military equipment, munitions and other items. |
| Class B | ||
| Permitted development | B. | The carrying out on operational land within the perimeter of an airbase, by or on behalf of the Crown, of development in connection with the provision of air traffic services. |
| Class C | ||
| Permitted development | C. | The carrying out on operational land outside but within 8 kilometres of the perimeter of an airbase, by or on behalf of the Crown, of development in connection with the provision of air traffic services. |
| Development not permitted | C.1 | Development is not permitted by Class C if— (a)any building erected is used for a purpose other than housing equipment used in connection with the provision of air traffic services; (b)any building erected exceeds a height of 4 metres; or (c)it consists of the installation or erection of any radar or radio mast or antenna or other apparatus which exceeds 15 metres in height, or, where an existing mast, antenna or apparatus is replaced, the height of that mast, antenna or apparatus if greater. |
| Class D | ||
| Permitted development | D. | The carrying out on operational land, by or on behalf of the Crown, of development in connection with the provision of air traffic services. |
| Development not permitted | D.1 | Development is not permitted by Class D if— (a)any building erected is used for a purpose other than housing equipment used in connection with the provision of air traffic services; (b)any building erected exceeds a height of 4 metres; or (c)it consists of the installation or erection of any radar or radio mast or antenna or other apparatus which exceeds 15 metres in height, or, where an existing mast, antenna or apparatus is replaced, the height of that mast, antenna or apparatus if greater. |
| Class E | ||
| Permitted development | E. | The use of land by or on behalf of the Crown in an emergency to station moveable apparatus replacing unserviceable apparatus in connection with the provision of air traffic services. |
| Condition | E.1 | Development is permitted by Class E subject to the condition that on or before the expiry of a period of 6 months beginning with the date on which the use began, the use shall cease, and any apparatus shall be removed, and the land shall be restored to its condition before the development took place, or to such other state as may be agreed in writing between the council and the developer. |
| Class F | ||
| Permitted development | F. | The use of land by or on behalf of the Crown to provide services and facilities in connection with the provision of air traffic services and the erection or placing of moveable structures on land for the purpose of that use. |
| Condition | F.1 | Development is permitted by Class F subject to the condition that on or before the expiry of a period of 6 months beginning with the date on which the use began, the use shall cease, and any structure shall be removed, and the land shall be restored to its condition before the development took place, or to such other state as may be agreed in writing between the council and the developer. |
| Class G | ||
| Permitted development | G. | The use of land by or on behalf of the Crown for the stationing and operation of apparatus in connection with the carrying out of surveys or investigations. |
| Condition | G.1 | Development is permitted by Class G subject to the condition that on or before the expiry of a period of 6 months beginning with the date on which the use began, the use shall cease, and any apparatus shall be removed, and the land shall be restored to its condition before the development took place, or to such other state as may be agreed in writing between the council and the developer. |
| Class H | ||
| Permitted development | H. | The use of buildings by or on behalf of the Crown within the perimeter of an airbase undertaking for purposes connected with air transport services or other flying activities at that airbase. |
| Interpretation of Part 29 | I. | For the purposes of Part 29— “airbase” means the aggregate of the land, buildings and works comprised in a Government aerodrome within the meaning of Article 255 of the Air Navigation Order 2009 M1; “air traffic services” has the same meaning as in section 98 of the Transport Act 2000 M2. |