Mansions are large structures located either in urban areas or in the countryside. They have a typically square-shaped base and large angular stones. Sometimes built by famous architects and are usually inhabited by notables or the middle class. The property must meet the requirements of the owner's social status, including having rooms large enough for receptions.
A person who carries out plans to reconcile the aesthetics, practical, technical, economic and constraints resulting from the canton's political will, with the aim of building and landscaping.