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. The duplex boasts a 50 m2 mezzanine that can serve multiple purposes, connecting to an extraordinary 80 m2 terrace with unobstructed views, enhancing outdoor leisure options.
The valuation. The asking price of €1,090,000 is below the calculated fair value of €1,274,541, presenting a discount of €184,541 (16.9%). This property is considered underpriced, offering an attractive opportunity for investors.
Fair value modelled at €1,274,541 from the area baseline, adjusted for condition and location. Asking €1,090,000 sits €184,541 (16.9%) 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 78/100 (Condition 75 · Materials 81 · Room dimensions 77). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 69/100 (Housing Market 70 · Amenities 60 · 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 +€16,734 + location +€88,841 = modelled fair value of €1,274,541 (€4,046/m²), a €184,541 (16.9%) 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 | — | 75 | 69 |
| 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 |
Long-term rental The property offers a strong gross yield of 8.2%, making it an attractive option for long-term rental investments. With its favorable proximity to Lisbon, the property appeals to a stable tenant base seeking access to employment and amenities. Family rental This 4-bed duplex is well-suited for family rentals due to its spacious layout and suburban safety profile, which is important for families seeking a secure living environment. Additionally, the favorable neighborhood ratings indicate that families would likely find the area appealing for long-term residency. Buy-and-hold As the property is currently listed at €1,090,000, which is 16.9% below the fair value of €1,274,541, it presents a compelling buy-and-hold opportunity. This strategy leverages the expected appreciation in value, supported by the strong demand in the surrounding area.
Economic fluctuation risk The property may face economic instability due to a moderate economic stability score of 70/100, which could impact rental income potential.
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