Caução plus advance rent is capped at three months total. Contracts state their term and renewal; ending one early as a landlord needs a statutory ground, formal notice and often compensation.
The AL freeze in containment zones returned units to long-let but did not return 2019 rents. University and tech-worker demand underwrites studios and one-bedrooms; families compete for two and three bedrooms in Alvalade and Benfica.
Condomínio arrears follow the unit. Ask the building manager for the debt position before you sign — the discount for skipping this step is always negative.