Maintenance Strategies, Periodic Renovations and Building Modernisation in the Aspect of the Criterion of the Whole Life Costs

The article deals with the issues of building exploitation and maintenance focuses on characteristics strategies mentioned in ISO 15686-5:2017 Buildings constructed assets - Service life planning Part 5: Life-cycle costing. describes all three recommended by standard (preventive, corrective deferred maintenance). purpose is to conduct whole costs analysis variants modernisations, renovations for a selected building. methods economic efficiency assessment were used, such as net present value (NPV) method internal rate return (IRR) method.