The power to create combined authorities was introduced in the Local Democracy, Economic Development and Construction Act 2009.
Combined authorities are legal structures that can be created by two or more local authorities in England to undertake joint functions. They are created by the Secretary of State at the request of the local authorities following a review process. The Secretary of State must consult the authorities, and must be satisfied that the combined authority will contribute to economic development and transport policy.
Combined authorities must include membership from all local authorities in its area, they cannot include part of a county council area or any enclaves.
Combined authorities can take on transport and economic development functions. The membership and functions of combined authorities is specified in the order that creates them. They also have a general power of competence introduced by the Localism Act 2011 which allows the transfer of public functions to ‘permitted bodies’.
 Related articles on Designing Buildings Wiki
- Government departments' responsibility for construction.
- Local planning authority.
- Localism act.
- Planning authority.
- Metropolitan counties.
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