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 duplex of 186 m², energy rating D. Located Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim parish, Sintra municipality, Lisbon district. This duplex offers an upper floor with independent access, enabling versatile use as a private suite or office, and boasts access to a communal swimming pool.
The valuation. The asking price of €870,000 is significantly above the fair value of €442,563, indicating an overvaluation of €427,437 (49.1%). This property is not a prudent investment given the considerable disparity from its fair market value.
Fair value modelled at €442,563 from the area baseline, adjusted for condition and location. Asking €870,000 sits €427,437 (49.1%) above — overpriced versus fair value.
Asking €870,000 versus the Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim, Sintra, Lisbon area baseline of €576,228 (€3,098/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 77/100 (Condition 75 · Materials 80 · Room dimensions 75). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 73/100 (Housing Market 80 · Amenities 70 · Economic 75 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim, Sintra, Lisbon
Area baseline €576,228 + condition +€6,684 + location +€36,722 = modelled fair value of €442,563 (€2,379/m²), a €427,437 (49.1%) gap versus the €870,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · 4a7d8c | Subject | €870,000 | €4,677 | — | 75 | 73 |
| travessa do Outeiro, 1 | Active | €398,000 | €4,280 | 8.5% | 62 | 72 |
| rua Eiras, 49 | Active | €305,000 | €3,813 | 18.5% | 80 | 76 |
| rua Cidade de Lagos, 6 | Active | €450,000 | €3,462 | 26.0% | 70 | 66 |
| praceta Doutor Simplício dos Santos, 15 | Active | €360,000 | €3,000 | 35.9% | 72 | 74 |
| Median comp | €379,000 | €3,638 | 22.2% | 71 | 73 |
Family rental The property is currently overpriced, with a fair value of €442,563 indicating a 49.1% gap from the listing price of €870,000. Given the neighbourhood's condition rating of 73/100, the property may not attract tenants looking for family housing at this inflated price. Long-term rental With a gross yield of 3.3% and the current market value far exceeding its fair valuation, the property remains overpriced at €870,000. This diminishes the attractiveness for long-term rental investments, especially in a middle-income residential area. Buy-and-hold While the property is situated in the Greater Lisbon area, its pricing at €870,000 makes it overpriced relative to its fair market value of €442,563. The potential for appreciation in a middle-income neighbourhood is overshadowed by the current significant disparity in price, making it a less attractive buy-and-hold investment.
Economic Vulnerability There is a notable risk stemming from the economic stability score of 75/100 and the tenant stability score of 65/100, indicating potential fluctuations in rental income due to uncertainties in tenant retention and broader economic conditions.
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