Supply (2004) on the planning system suggested some of the requirements were unnecessary and delaying the delivery of sustainable and social housing, and recommended early revisions to the regulations. HM Treasury noted the recommendation to redirect a portion of Section 106 financial contributions as a "planning gain supplement"" for wider community needs and has responded by an Act of Parliament that will levy "a tax on the increase in the value of land resulting from the grant of permission for development". Planning Green Paper Planning white paper (Scotland): Modernising the planning system See also Landscape planning Regional planning Royal Town Planning Institute Town and Country Planning Association Building regulations in the United Kingdom Planning gain Listed Building Scheduled monument Conservation Area (United Kingdom) References Further reading External links The Planning Portal – the UK government's online planning and building regulations resource Department for Communities and Local Government (England) Scottish Executive – Planning and Building The Planning Service (Northern Ireland) GamePlan – A Lean Construction principles Planning Process and EIA English land law Housing in the United Kingdom Law of the United Kingdom Towns in the United Kingdom