The last PPGs in force until March 2012 were: PPG 2 was a document produced by the British Government to advise local planning authorities on national green belt policy and its consideration in the formation of local plans.
The last version was introduced in March 2001 (original) and replaced Planning Policy Guidance (PPG) Note 2 Green belts published in January 1995.
It was introduced in November 1990 following public outcry after a number of high-profile scandals such as the threatened destruction of the Rose Theatre in London by developers.
Circulars 01/2001 and 09/2005, which discuss arrangements for handling heritage applications and that amend the existing PPG 15: Planning and the historic environment, were published September 1994.
LAeq dB results provide a mean arithmetic average (dB(A)) which fall into a Noise Exposure Category (A, B, C or D), with categories B and C are usually passed with suitable noise mitigation measures put into place.
Where it is considered that permission should be given, for example because there are no alternative sites available, conditions should be imposed to ensure a commensurate level of protection against noise.