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.
4-bedroom, 3-bathroom duplex of 315 m², built in 2001, energy rating C. Located on estrada Ribeira, 511, Alcabideche parish, Cascais municipality, Lisbon district. This property features a spacious mezzanine of approximately 50 m², perfect for creating versatile environments, and connects to a large 80 m² terrace with unobstructed views.
The valuation. The asking price of €1,090,000 is notably below the fair value of €1,291,521, presenting a discount of €201,521 (18.5%). This property is positioned as underpriced, making it an attractive opportunity for savvy investors.
Fair value modelled at €1,291,521 from the area baseline, adjusted for condition and location. Asking €1,090,000 sits €201,521 (18.5%) below — the upside to fair value.
Asking €1,090,000 versus the estrada Ribeira, 511 area baseline of €1,373,085 (€4,359/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 79/100 (Condition 80 · Materials 78 · Room dimensions 76). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 72/100 (Housing Market 70 · Amenities 70 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
estrada Ribeira, 511
Area baseline €1,373,085 + condition +€19,688 + location +€102,869 = modelled fair value of €1,291,521 (€4,100/m²), a €201,521 (18.5%) gap versus the €1,090,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| estrada Ribeira, 511 | Subject | €1,090,000 | €3,460 | — | 80 | 72 |
| jardim da Lomba | Active | €740,000 | €3,217 | 7.0% | 74 | 75 |
| travessa Girassol, 162 | Active | €625,000 | €3,492 | 0.9% | 80 | 68 |
| rua Doutor Armando Bacelar | Active | €770,000 | €3,348 | 3.3% | 75 | 72 |
| praceta Rita Ferreira da Silva | Active | €840,000 | €4,000 | 15.6% | 74 | 76 |
| Median comp | €755,000 | €3,420 | 1.2% | 75 | 74 |
Family rental The 4-bed duplex in Alcabideche presents an opportunity for family rental due to its generous space of 315m² and a competitive yield of 8.2%. Given the suburban context and proximity to Lisbon, it appeals to middle-income families seeking comfortable living with access to urban amenities. Long-term rental With a fair value of €1,291,521 compared to its listing price of €1,090,000, the duplex shows an 18.5% gap that reflects its attractiveness for long-term rental investments. The neighborhood's quality and amenities make it an ideal choice for stable, long-term tenants, ensuring consistent rental income. Buy-and-hold Acquiring this property as a buy-and-hold investment aligns well with its below-market listing and strong potential for appreciation due to the location's growing demand. The favorable yield of 8.2% complements a strategic investment for long-term wealth creation, providing both cash flow and capital growth prospects.
Economic Vulnerability With an economic stability score of 70, there is a significant risk of fluctuations in the local economy that could impact rental income and property value. Tenant Instability A tenant stability score of 75 indicates a moderate risk of tenant turnover, potentially leading to increased vacancy rates and loss of rental income.
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