Communications Act 2003, The National Archive, (2003), http://www.legislation.gov.uk/ukpga/2003/215 September 2011閲覧。 requires "a suitable proportion of the programmes made in the United Kingdom" to be made "in the United Kingdom outside the M25 area", defined in Section 362 as "the area the outer boundary of which is represented by the London Orbital Motorway (M25)".
london.gov.uk
Any such move would be bound to be resisted by the communities affected, including such major towns as Watford, Loughton and Epsom.London Assembly - Poll says M25 is London's "natural boundary". 2 March 2004.
