Tax deduction of 70 per cent for expenditure on energy efficiency and anti-seismic works, with the possibility of assigning the credit or obtaining the discount on the invoice.

Tax deduction of 50% or 65% for expenditure on work to improve the energy efficiency of buildings, such as the installation of solar panels, the replacement of windows and doors, and the insulation of walls and roofs.

75% deduction for the costs of eliminating architectural barriers in existing buildings, including work on the bathroom to make it accessible to wheelchair users.

A 50% tax deduction for expenditure on building renovation work, including the replacement of electrical, plumbing or heating systems.