How the DGT's position has evolved
Current position
The 90% reduction on net income requires that the new contract be formalized in an area declared as a stressed residential market. Additionally, the new rent must be more than 5% lower than the last rent of the previous contract. If the area does not have such a declaration at the time of signing, the reduction does not apply.
The DGT's position on real estate capital is heterogeneous due to the diversity of queries received. There is no single doctrinal evolution, but rather specific criteria regarding residential leases, deductibility of expenses and, recently, the requirements for the reduction in stressed areas. The most recent doctrine focuses on the new requirements of the Housing Law.
Turning points
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Introduces the requirements for formalization in a stressed residential market area and the rent reduction of more than 5% to access the 90% reduction.
Analysis based on 12 of 13 rulings with a stated position. Updated 26 September 2026.