This listing includes AI condition scoring, neighbourhood intelligence, and market valuation data — giving you a complete picture before you visit. Compare rental yield, price per square metre, and location strength against the broader Portuguese market to assess whether this property fits your investment strategy.
5-bedroom, 3-bathroom house of 216 m², built in 2008, energy rating B. Located on avenida José Viana, Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim parish, Sintra municipality, Lisbon district. Features include a private swimming pool and manicured garden, plus solar panels, underfloor heating on both floors, and air conditioning.
The asking price of €875,000 is above the fair value of €743,000: the property is overpriced, with 15.0% downside versus the asking price. Confidence in this fair value is low.
The Transaction model uses real transaction data: 79 recorded sales in the four quarters to Q2 2026 in the parish of Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim. The Adjusted asking-price model uses current listings, adjusting asking prices to sale level. The fair value combines these models in a weighted blend: 70% and 30%, respectively. No conservative adjustments for area, non-living area composition or cost to cure apply. The asking price is above the fair value: €743,000 versus €875,000, a €132,000 gap and 15.0% downside versus the asking price; the fair asking price is €865,000 in the context of a typical 16.4% negotiation margin. Confidence is low, as transaction micro-location data is unavailable for this address and the estimates differ by more than the tolerance.
Gross yield 3.6% (before costs)
No specific strategy stands out for this property.
The 5-bedroom, 216 m² house in Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim, Sintra, is listed at €875,000, above its €743,000 fair value; this represents 15.0% downside versus the asking price. Its condition score of 78/100 and gross yield of 3.6% are worth weighing alongside the neighbourhood score of 50/100, while confidence in the valuation is low.
Indicative, before costs, vacancy and management. Not investment advice.
Economic and tenant stability risk Economic stability and tenant stability are both scored at 50/100, indicating potential exposure to economic and tenant instability. Data-quality risk The property’s listings disagree, so the information describing the property is inconsistent. Fair-value uncertainty risk The fair value is €743,000 with low confidence, and the estimates differ by more than the tolerance.
Grade CFindings: 1
Confirmed findings from our checks of this listing. They inform; they do not change the valuation.
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Models 3.4.3 (Data quality v3 · Valuation v4.2 · Strategy v3.1)
Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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