Prime minister and executive

- Head of the executive, chairs the cabinet and manages its agenda

- Decides who can sit on cabinet and junior ministers, who can sit on certain committees

- Decides which deparments should merge together (organises the structure of government)

-Consists of 20-23 senior ministers

-Cabinet provides administative support , within the delivery of policy

-Chaired by the Cabinet secretary, most senior civil servant in the UK

- Many decisions are taken in cabinet committees, which deal wuth particular areas of policy such as economic affairs and national security

- Each section of government departments is responsible for an area of policy. E.g - ministery of defence.

-Each is headed by a cabinet ministers, and supported by several junior ministers - who then are responsible for specific sections of that policy.

Semi independent bodies that are responsible to carry out functions from the government department.  E.g DVLA, is overseen by the Department of Transport