Guides
Guides to buying, owning, and selling in Portugal.
The Portuguese market rewards people who know its rules and punishes people who don't — and most of those rules are local, unwritten in English, and decided street by street. These guides explain the risks and rules that actually move a decision, backed by the same data our audits run on.
Every guide.
Four topics that most often decide — or unravel — a Portuguese property deal.
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Rules
Alojamento Local (AL) licences
Can you still Airbnb it? Containment zones, parish rules, and how to check any street.
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Risks
Seismic risk
Why the construction year matters more than the hazard zone — and when insurance beats a structural survey.
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Risks
Radon
The granite-north hazard that barely touches upper-floor flats — where it matters and what mitigation costs.
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Risks
Coastal erosion
When ocean view means ocean risk: Atlantic hotspots, Algarve cliff setbacks, and the POOC rules.
Read them for your situation.
The same facts read differently depending on which side of the deal you're on. Each page below picks out the guides that matter for you and frames them from your seat.
For buyers
The local due-diligence checks nobody translates for you — AL bans two streets over, setback lines, code-year risk.
Why SirJohn for buyersFor owners & sellers
The features that quietly move your valuation up or down — before an agent or buyer uses them to reset your price.
Why SirJohn for ownersFor agents
Back every claim with the rule for the exact street, so the answer holds up when the buyer's lawyer checks it.
Why SirJohn for agentsPrefer numbers for a specific area?
Every neighbourhood we track has a data page — prices, risk profile, and AL status. Or paste a listing and get the whole picture for one property in minutes.