It is one of the first questions our clients ask. The short answer: many interior works don't need a licence, but changes to the outside of the building, extensions and pools usually need some form of approval from the council. Here is a clear overview.
The three levels of control
Under Portugal's building law (the Regime Jurídico da Urbanização e Edificação, or RJUE), works fall into one of three levels:
- Exempt from prior control: you can go ahead without asking for approval, although some councils still require a notice before work starts.
- Prior communication (comunicação prévia): an architect submits the project to the council; the works can follow without a full licensing process.
- Licence (licenciamento): the council must approve the project before any work starts. This is for new builds, large extensions, major structural changes and protected buildings.
Works that are usually exempt
- Replacing a kitchen or bathroom in the same place
- New floors, tiles, painting, interior doors and built-in furniture
- Updating plumbing and electrics inside the home
- Removing a non-load-bearing interior wall (have a professional confirm it first)
- Small repairs, such as replacing some broken roof tiles
Even when works are exempt, they must still follow building rules, the condominium must be informed, and some councils ask for notice a few days before the works begin.
Works that usually need a prior communication or a licence
- Swimming pools: a pool built next to a main house generally needs a prior communication with an architect's project (RJUE, article 4(4)(j)). Pools on agricultural or protected land (RAN/REN) can follow stricter rules.
- Façade changes: new or bigger windows, changing the look of the exterior
- Replacing a whole roof or changing its structure
- Extensions, new floors or new buildings on the plot
- Structural work, such as removing load-bearing walls
- Any work on a listed building or in a protected area, which may need a licence even for interior changes
Who submits the paperwork?
For a prior communication or a licence, the project must be prepared and signed by a registered architect (and engineers where needed). The homeowner cannot submit it alone. Submissions are made electronically on the council's platform.
What if I renovate without the right permit?
Unauthorised works can lead to fines, orders to stop or even demolish, and problems when you sell the property later, because the buyer's lawyer will compare the house with the approved plans.
Your builder must be licensed too
Separately from the permit for the works, the company doing the job must be authorised by IMPIC through an alvará or certificado. You can check this online before hiring, and the licence number must be shown at the site entrance.
How we help
When you ask us for a quote, we tell you whether your project is likely to be exempt or need approval, and we work with architects on projects that need a prior communication or a licence. In Loulé and the rest of the Algarve, the final word is always with the local council.
Do I need a permit to renovate a kitchen or bathroom in Portugal?
Usually not, if it stays in the same place and does not affect the structure, the façade or shared plumbing. The condominium must still be informed, and some councils ask for notice before works start.
Do I need a permit to build a swimming pool in Portugal?
A pool next to a main house generally needs a prior communication (comunicação prévia) with an architect's project. On agricultural or protected land, stricter rules can apply.
Who submits the building permit in Portugal?
A registered architect prepares and submits the project to the council. The owner cannot submit a prior communication or licence application alone.