July 6, 2018 Laytons ETL Real Estate Sign of the times? Modular construction in 2018 July 6, 2018 Laytons ETL Real Estate Modular construction is a method of building in ‘module’ sections from an off-site facility. The prefabricated parts are transported to and constructed on site and the finished product is referred to as ‘prefab’ or, more recently, modular housing.