Preservation means the structural and/or technical reconstruction of a property, the modernization, the improvement of the standard of living or of the adaptability of utilization. Preservation can include interferences with the fabric of the building.
Renovation & Restoration
Renovation (ristrutturazione) means just the repair of damages which are a result from normal wear and tear. When it comes to listed buildings we do not talk about renovation but restoration (restauro), something only especially trained experts may carry out!