Legal background Planning
The legislation which this Act amends is set out in a number of Acts of Parliament. This legislation is referred to below. Further explanations, where required, are set out in the section-by-section commentary.
	The principal planning Act is the Town and Country Planning Act 1990 ("1990 Act"). This Act makes several modifications of, or amendments to, the 1990 Act, as well as modifications of, or amendments to, the following other legislation related to planning:
Planning (Listed Buildings and Conservation Areas) Act 1990;
Planning (Hazardous Substances) Act 1990;
	Greater London Authority Act 1999.