Abstract: The invention: a procedure to manufacture recycled waste concrete, and the recycled waste concrete itself, which is produced through a simple processing of various types of waste and is suitable for serving as a material to manufacture concrete products widely used in the construction industry, where such products include road bases, strip foundations, bases of houses, noise barriers, traffic barriers for highways/roads, lane separators, sandwich panels, to fill formwork and even, depending on the type of waste used, to build walls. The recycled waste concrete contains cement, water and shredded waste aggregates, such as shredded tyres and/or any shredded plastic waste, and/or any shredded scrap metal, and/or any shredded garden waste, and/or shredded mixed waste, and/or shredded fibre waste, and/or any shredded glass waste, and/or shredded and effectively neutralised municipal waste.