Changes to Planning (Listed Buildings and Conservation Areas) 1990
S.I. 1990/1519
Made by Enterprise and Regulatory Reform Act 2013 (Abolition of Conservation Area Consent) (Consequential and Saving Provisions) 2013
25 changes. All changes to Planning (Listed Buildings and Conservation Areas) 1990
From legislation.gov.uk's record of changes, the official one: see it there.