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.
3-bedroom, 4-bathroom house of 292 m², energy rating C. Located on rua Engenheiro Carlos Santos, Rio de Mouro parish, Sintra municipality, Lisbon district. The property features a 66 m² Japanese terrace and a 500-year-old olive tree, offering a unique blend of tranquility and elegance in the landscaped garden.
The valuation. The asking price of €2,250,000 significantly exceeds the fair value of €676,056, representing an overvaluation of €1,573,944 (70.0%). This suggests a substantial discrepancy that raises concerns for potential buyers. Buy-to-flip angle. The property’s luxury elements and desirable location could facilitate a rapid resale at a premium, but market conditions would need to support a return that justifies the initial expense. Quick renovations may also be beneficial. Buy-to-let angle. With a gross yield of 1.4% based on an estimated rental income of €2,625 per month, this property caters primarily to long-term family rentals, capitalizing on its proximity to Lisbon for steady tenant demand.
Fair value modelled at €676,056 from the area baseline, adjusted for condition and location. Asking €2,250,000 sits €1,573,944 (70.0%) above — overpriced versus fair value.
Asking €2,250,000 versus the rua Engenheiro Carlos Santos area baseline of €838,332 (€2,871/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 83/100 (Condition 80 · Materials 85 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 77/100 (Housing Market 75 · Amenities 75 · Economic 80 · Tenant Quality 80). Strong amenities and housing-market momentum support a premium to baseline.
rua Engenheiro Carlos Santos
Area baseline €838,332 + condition +€35,131 + location +€62,473 = modelled fair value of €676,056 (€2,315/m²), a €1,573,944 (70.0%) gap versus the €2,250,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Engenheiro Carlos Santos | Subject | €2,250,000 | €7,705 | — | 80 | 77 |
| rua do Liceu | Active | €2,250,000 | €5,625 | 27.0% | 80 | 74 |
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · dee650 | Active | €674,000 | €2,893 | 62.5% | 74 | 75 |
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · 4a7d60 | Active | €1,250,000 | €5,020 | 34.9% | 68 | 76 |
| rua António dos Reis | Active | €749,900 | €2,343 | 69.6% | 75 | 72 |
| Median comp | €999,950 | €3,957 | 48.7% | 75 | 75 |
Long-term rental This property is overpriced at €2,250,000, well beyond its fair value of €676,056, resulting in a significant 70.0% gap. With a meager yield of 1.4%, the potential return on investment for long-term renting does not justify the acquisition cost. Buy-and-hold At €2,250,000, this property exceeds its fair value by 70.0%, reflecting an overpriced situation that may hinder capital appreciation over time. Given the solid condition rating of 83/100, while attractive, it is overshadowed by the poor investment outlook relative to its excessive price. Family rental Despite being in a reasonably rated neighborhood (77/100) and having good amenities due to its location near Lisbon, this property’s price of €2,250,000 is disproportionately high compared to its fair value of €676,056. Families may appreciate the space and condition, but the low yield of 1.4% makes it a risky endeavor for a family rental investment.
Economic downturn risk A slight decline in economic conditions could impact both the economic stability score of 80 and tenant stability score of 80, leading to potential vacancy increases and reduced rental income.
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