Inspection report: the assessment of the impacts of the reform of the calculation of the floor area on the threshold for requiring the use of an architect

Report prepared by Serge Arnaud, Engineer General of Bridges, Waters and Forests, Hervé Dupont, Engineer General of Bridges, Waters and Forests, Jean-Yves Le Corre, Inspector General of Cultural Affairs and René Klein, Inspector General of Cultural Affairs; september 2013. IGAC Report 2013-33 CGEDD Report 008385-01