Lisbon apartment renovation guide: from an older flat to a calm, modern home

If you own a flat in Lisbon, renovation is not a single reveal moment. It is a sequence of decisions where order matters as much as tile or paint.

Getting the order wrong traps moisture behind new finishes or forces you to reopen work after neighbours complain.

Problem and practical fixes

Older buildings in Lisbon and the wider metro often mix pipe generations in one stack, have uneven substrates, and breathe Atlantic humidity into bathrooms and north-facing rooms. Condominium rules limit noisy hours and may require notice for work on shared drains.

• Photograph and map what you already have before you change layouts.
• Stabilise leaks and ventilation before you lock in new coatings or floors.
• Keep a simple paper trail for the condominium when you touch shared elements.

When wet rooms are involved, dry and prepare properly; rushing paint or sealant over damp plaster fails within months.

CASAFIXA

CASAFIXA (COSMIC DUSK, UNIPESSOAL LDA) works in Greater Lisbon with an in-house team, not subcontractors. We deliver interior and exterior painting, floor installation (hardwood, ceramic, laminate, vinyl), furniture assembly including IKEA and other brands, and plumbing repairs.

We answer quote requests within about 24 hours. We are not a law firm or architecture studio; licensing and structural design stay with your professionals when your project requires them.

Discovery and quote

Write to info@casafixa.com or contact us on WhatsApp (+351 928 387 170). Describe the renovation need you have in mind for your home; support it with photos and send them to us. You can attach more than one photo. That way we can respond faster and more accurately.