The main problems in the building envelopes in Cyprus and the actual standards for existing buildings are being identified. The legislative, natural (climatic boundary conditions) and other influencing factors that lead to the standard solution are being described. Also descriptions of the most commonly used refurbishment actions standard envelopes are being discussed with recommendations on how to solve these problems. The impact of the most commonly used refurbishment actions are being described loooking at the technical, functional, social, economical and environmental on the existing buildings. Finally application methods are being described through two different case studies.