Blue line area
Land measurement for planning and development purposes, Guidance Note, Global 1st edition, Published by the Royal Institution of Chartered Surveyors (RICS) in May 2021, suggests that: ‘A blue line area denotes one or more areas of land within the ownership or control of an applicant for permission to develop that lie nearby or adjacent to, but not within, the site area that is the subject of the application to develop, and which may comprise one or more land ownership areas (or part(s) of one or more).’
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