Property analysis for Portugal
What the listing hides, we reveal.
A listing is a highlight reel — flattering photos, a confident price, and not a word about the fault line, the flood zone, or the tens of thousands you're about to overpay. Paste it, and in under a minute we hand back the whole picture: true value, hidden costs, and every risk.
Free · No sign-up · A verdict in under a minute
Getting it wrong costs years, not euros.
The deposit turns non-refundable in days. The structural, legal and licensing surprises surface months later — after the keys change hands and your leverage is gone. SirJohn front-loads that diligence into a single minute, so the surprises happen now, on screen, while you can still walk away.
The flow
Three steps. Under a minute.
- 01
Paste a link.
Drop in any listing from Portugal's major property portals. No listing? Answer a few quick questions instead — it takes a minute.
- 02
We do a day's work in a minute.
We price it against thousands of real sales, then run the address through dozens of risk and context checks — the diligence a buyer's lawyer and surveyor would take a day to gather.
- 03
You get a verdict — and the reasoning.
One clear call, in plain language, with every number behind it a scroll away. Edit an input and re-run, share a link, or export a clean PDF.
What you get back
The verdict is the headline. This is the story behind it.
Every audit leads with one clear call — then backs it with the full picture, every number sourced and explained.
Price truth
Fair value versus the asking price, price per m², and how it sits against the parish.
The whole neighbourhood
Transit, schools, shops and healthcare — with real walking times from the door.
Rental maths
Gross and net yield, expected monthly rent and occupancy — for investors and owners alike.
Connectivity
How long to the airport, the city centre, and the things you'll use every day.
Questions to ask
Copy-paste prompts tuned to this property — for your lawyer, the agent and the seller.
By the numbers
A day of due diligence, compressed.
Behind every verdict is the kind of research most buyers never have time to do: thousands of real sales, cross-referenced with dozens of public risk and market records — gathered in seconds.
- 10,000+
- real transactions
- priced against
- 30+
- risk & context checks
- per audit
- Dozens
- of data sources
- public & market
- Every parish
- covered
- in mainland Portugal
Works with Portugal's major portals
- idealista
- CustoJusto
- Remax
- e-leilões
Under the hood
Trained on the real market. Checked against the public record.
The valuation weighs dozens of signals about the property and its street. The risk engine cross-references the same public registers a lawyer and surveyor would pull — every check named to its source.
What the model reads
Location
City, parish, block-level price history, distance to the centre and the coast, and the neighbourhood's demographics.
Size & layout
Interior square metres, bedrooms and bathrooms, terraces, parking, floor level and construction era — each measured against its parish-specific premium.
Condition, seen by computer vision
Our computer vision reads renovation quality, kitchen and bathroom tier, facade condition and ceiling height straight from the listing photos — and tells a real renovation from a staged one.
Energy & amenities
Energy rating (A+ to G), elevator, view quality, air-conditioning, solar — each weighted by its real effect on Portuguese prices.
Competitive environment
Competing listings within 1 km, short-let saturation, and the median peer price per m² — the market pressure around the property.
Every risk, from a named source
Seismic
Ground-acceleration exposure at the exact address against Portugal's national seismic zoning, plus historical event proximity in high-risk zones.
Source: LNEC · IPMA seismic hazard maps
Flood
100-year flood return periods, proximity to water bodies, and historical flood records.
Source: APA · national flood risk dataset
Fire
Wildland-urban interface exposure, vegetation density, and past fire-perimeter proximity — especially relevant inland and in the Algarve.
Source: ICNF · historical fire perimeters
Legal
Habitation licence, Caderneta Predial vs Land Registry alignment, outstanding mortgages and tax arrears.
Source: Conservatória do Registo Predial · AT · municipal records
Short-term rental
Per-municipality AL eligibility and saturation — we track the municipal rule sets and flag containment zones, freezes, and renewal risk.
Source: Diário da República · municipal AL regimes
Connectivity & environment
Travel time to the airport, city centre, supermarkets and schools, plus noise and air-quality bands where sensor data exists.
Source: INE · IMT · municipal noise maps
Why you can trust it
Why you can trust the number.
We wrote it all down so you don't have to take it on faith.
See the full methodologyA model, not a guess
Every price is checked against thousands of real Portuguese sales — landing consistently closer to the truth than a typical agent's estimate.
Portugal-specific risk
The hazards a generic valuation ignores — from short-let containment zones to seismic exposure — priced in, each traced to an official register.
Plain language, always
No opaque scores. A clear verdict, a tier, and a paragraph that explains the number — in English or Portuguese.
Three people in a deal. Three different questions.
Same numbers. Different angles. Same rigour.
Don't overpay by €30,000.
Know the real value and the risks a listing won't tell you — before the deposit is non-refundable.
- Fair-value range with confidence level
- 30+ risk checks, plain-language verdict
- Hidden costs: AL licensing, IMI, condomínio
Back every price with data.
Win the listing. Defend the price. Close the deal. A dossier clients and sellers actually trust.
- Parish-level comparables, not just district
- Shareable audit link, branded export
- Faster negotiation, fewer price disputes
What is it actually worth?
See what the market thinks of your property today, and which improvements move the number most.
- Live fair-value with monthly drift tracker
- Rent-vs-sell comparison in one view
- Renovation uplift estimates
What we and the community analyse
A peek at recent audits we and the community have made public.
Questions, answered.
Is it free?
Yes — run your first audit without an account. Paste a link and you'll have a verdict in under a minute.
Do I need a listing URL?
No. If the property isn't listed online, answer a few quick questions and we'll audit it from those.
How accurate is the valuation?
We price every property against thousands of real Portuguese transactions and dozens of data sources. The more you tell us about the property, the sharper the estimate — and every audit shows the comparables behind it.
Which areas are covered?
Mainland Portugal, parish by parish.
Is my data private?
Audits are yours. You choose whether each one stays private or appears in the public gallery.
See it on your property.
Under a minute. No account needed. Paste a listing or answer a few questions — and get a verdict you can act on.