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.
7-bedroom, 9-bathroom chalet of 613 m², built in 1886, energy rating C. Located on estrada da Pena, 12, Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim parish, Sintra municipality, Lisbon district. Built in 1886 and fully restored, this turnkey chalet includes custom-designed furniture, a garden and patio, and is near Pena Palace.
The fair value is €1,960,000 and the asking price is €9,975,000. This property is outside the range our automatic models cover reliably; an analyst review is needed, so no verdict is given. Confidence in this fair value is low; a full report is available on request.
The Transaction model uses real transaction data from Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim, with 79 recorded sales in the four quarters to Q2 2026. The Adjusted asking-price model uses current listings, with asking prices adjusted to sale level. The models are combined in a weighted blend: 70% Transaction model and 30% Adjusted asking-price model. No conservative adjustments for area, non-living area composition or cost to cure were applied. Fair value: €1,960,000; asking price: €9,975,000; confidence is low, with no transaction micro-location data for this address and the estimates differing beyond tolerance. Report on Request — outside the range our automatic models cover reliably; an analyst review is needed. A full report on this property is available on request.
Gross yield 2% (before costs)
No specific strategy stands out for this property.
The 7-bedroom chalet offers 613 m² in Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim, Sintra; its condition rating is 85/100, while the neighbourhood rating is 50/100 and gross yield is 2%. The asking price is €9,975,000 and the fair value is €1,960,000, stated separately; no verdict is provided because the property is outside the range the automatic models cover reliably and an analyst review is needed.
Indicative, before costs, vacancy and management. Not investment advice.
Economic and tenant stability Scores of 50/100 for economic stability and 50/100 for tenant stability indicate potential uncertainty in both areas. Listing disagreement The property’s listings disagree, so the information presented about it is inconsistent. Fair value uncertainty Fair value is €1,960,000 with low confidence; the property is outside the range our automatic models cover reliably, so an analyst review is needed.
Grade FFindings: 1
Confirmed findings from our checks of this listing. They inform; they do not change the valuation.
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Fair value shown, but its gap to the asking price is outside the range our automatic models cover reliably. See the note below.
Models 3.4.3 (Data quality v3 · Valuation v4.2 · Strategy v3.1)
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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