Antananarivo
Architecture

Before the mid-19th century, all houses and marketplaces in Antananarivo, and throughout Madagascar, were constructed of woods, grasses, reeds, and other plant-based materials viewed as appropriate for structures used by the living. Only family tombs were built from stone, an inert material viewed as appropriate to use for the dead. British missionaries introduced brick-making to the island in the 1820s, and French industrialist Jean Laborde used stone and brick to build his factories over the next few decades. It was not until the royal edict on construction materials was lifted in the 1860s that stone was used to encase the royal palace. Many aristocrats, inspired by the royal palace and the two-story, brick houses with wrapped verandas and divided interior spaces built by British missionaries, copied the British model for their own large homes in the haute ville. The model, known as trano gasy ("Malagasy house"), rapidly spread throughout the Central Highlands of Madagascar, where it remains the predominant house construction style.

Since 1993, the Commune urbaine d'Antananarivo (CUA) has increasingly sought to protect and restore the city's architectural and cultural heritage. In 2005, CUA authorities partnered with the city planners of the Île-de-France to develop the Plan Vert – Plan Bleu strategy for creating a classification system for Zones de Protection du Patrimoine Architectural, Urbain et Paysager, areas of the city benefiting from legal protection and financial support for their historic and cultural heritage. The plan, which is being implemented by the Institut des Métiers de la Ville, prevents the destruction of historic buildings and other structures, and establishes construction codes that ensure new structures follow historic aesthetics. It also provides for awareness-raising campaigns in favor of historic preservation and undertakes projects to restore dilapidated historic buildings and sites. Under this plan, 19th-century sites, like the Ambatondrafandrana tribunal and the second residence of Rainilaiarivony, have been renovated.
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