Major Developments

Definition of a major development

A major development is defined as follows:

Housing

  • 50 or more homes
  • The total area of the site is 2 hectares or more

Business and general industry, storage and distribution

  • The floor area of the site is 10,000 square metres or more
  • The total area of the site is 2 hectares or more

Electricity generation

  • The capacity of the generating station is 20 megawatts or more

The following developments are part of a different instruction under the Electricity Act 1989 and are governed by those procedures:

  • An onshore wind farm or power station that is not driven by water and has a generating capacity in excess of 50 megawatts
  • An offshore wind farm or generating station that is wholly or mainly driven by water such as hydroelectric, wave or tidal and has a generating capacity greater than 1 megawatt

Waste management facilities

  • The capacity of facility is 25,000 tonnes or more
  • If used for sludge treatment a capacity to treat more than 50 tonnes (wet weight) per day

Transport and infrastructure projects

  • The length of the road, railway, tramway, waterway, aqueduct or pipeline exceeds 8 km

Fish farming

  • The surface area of water is, or exceeds, 2 hectares

Minerals development

  • The total area of the site is 2 hectares or more

Other development not classed within any single class of the above development

  • The gross floor space of any building, structure or erection constructed as a result of such development is 5,000 square metres or more
  • The total area of the site is 2 hectares or more

Schedule 1 development

Any type of development which is mentioned in Schedule 1 of the Environmental Impact Assessment (Scotland) Regulations 2011.

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