Paragraph 6M F1

the generation (including cogeneration) of energy from burning biomass;

the storage of biomass

the height of the building, structure or flue as extended or altered would exceed the height of the original building, structure or flue;

the floor area of the original building would be exceeded by more than 25% or 1,000 square metres whichever is the greater;

the external appearance of the premises of the undertaking concerned would be materially affected;

any part of the development would be carried out within 5 metres of any boundary of the curtilage of the premises; or

the development would lead to a reduction in the space available for the parking or turning of vehicles.

in relation to the generation of electricity, 50 kilowatts; or

in relation to the production of heat, 45 kilowatts thermal.

in the case of land within an air quality management area;

if it would require more than one flue to be connected to the biomass equipment;

if the flue forming part of the biomass equipment would be either—

the erection of any additional building within the curtilage of another building, whether by virtue of this class or otherwise, and used in connection with it is to be treated as the extension of that building, and the additional building is not to be treated as an original building;

where two or more original buildings are within the same curtilage and are used for the same undertaking, they are to be treated as a single original building in making any measurement;

“industrial building” means a building used for the carrying out of an industrial process and includes a building used for the carrying out of such a process on land used as a dock, harbour or quay for the purposes of an industrial undertaking but does not include a building on land in or adjacent to and occupied together with a mine; and

“warehouse” means a building used as a wholesale warehouse, or repository for any purpose and does not include a building on land in or adjacent to and occupied together with a mine.