Any upgrades done to the fixed elements of the property and/or any amplification of the existing construction are considered to be deductible costs, for example: new kitchen, bathroom remodels, roof or floor replacement, new windows, construction of a swimming pool in your backyard etc Furniture, decorations and routine maintenance of the property are not deductible.
Other costs that are considered to be deductible expenses are: sales commission and consulting fees, notary legal fees, public registry fees, original acquisition cost (brought to the present value), and the cost of appraisal. The owner must have qualifying invoices that include the VAT for the expenses incurred in order to be able to use these costs as deductions.