Compliance Watch · Lagos

2.5% of Lagos Airbnb listings are missing or have malformed RNAL registration numbers.

Last updated:

79 listings analysed from the 03 May 2026 Inside Airbnb snapshot. 0 carry no registration number at all; 2 display a value that doesn't match the RNAL format. Under Decreto-Lei 128/2014 (Alojamento Local) + EU Regulation 2024/1028 this is the operator's exposure, not the platform's.

79
Listings analysed
71
Format-valid
89.9%
2
Malformed
2.5%
0
Missing entirely
0.0%

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What is the RNAL number?

Lagos short-term rentals must carry a valid RNAL registration number (format NNNNN/AL) under Decreto-Lei 128/2014. Câmara Municipal de Lagos has run inspection sweeps targeting unregistered rentals since 2022.

Lagos has been one of the more aggressive Algarve municipalities on Alojamento Local enforcement — the Câmara Municipal has run inspection sweeps since 2022 targeting unregistered rentals and listings carrying expired or transferred RNAL numbers.

Every Lagos short-term rental must carry a valid RNAL in the format NNNNN/AL under Decreto-Lei 128/2014. From 20 May 2026 the EU central register (Regulation 2024/1028) layers on top: Airbnb and Booking must verify the number against the central register or pull the listing.

Common questions

What's the difference between RNAL and the EU NRUA?

RNAL is the existing Portuguese national register, format NNNNN/AL. The EU NRUA (Numero de Registro Único de Alojamiento) is a new central EU register coming online on 20 May 2026 under Regulation 2024/1028. Portugal's RNAL feeds into the EU NRUA — operators with a valid RNAL won't need to re-register, but the platforms (Airbnb, Booking) will start verifying numbers against the central register before allowing the listing to publish.

What happens if I don't have a registration number?

Until May 2026, the platform may keep your listing up but you remain personally liable for fines under Decreto-Lei 128/2014 — typically €2,500 to €40,000 for unregistered rentals. From 20 May 2026, the platform itself is required to refuse or pull your listing under EU Regulation 2024/1028. The fine exposure stays.

I'm not sure if my listing has the right number.

Paste your URL into the form above. We'll match it against our most recent dataset (a Q4 2025 snapshot). If it's in there, you'll see what registration value is currently stamped on it — sometimes hosts have a number on file that they haven't actually published. If it's not in our snapshot, we'll run a fresh audit.

Where does this data come from?

From quarterly Inside Airbnb snapshots, an open dataset covering most large European cities. We re-import on the 1st of each month and re-evaluate registration numbers against the official register format and (where reachable) the live RNAL site at rnt.turismodeportugal.pt. The data is anonymised at the host level — we report aggregate statistics, not individual host names.

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