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 house of 348 m², energy rating B. Located on rua das Castanholas, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy Features: The property includes a wine cellar in the basement and features two balconies on both the ground and first floors, enhancing outdoor access and views.
The valuation. The asking price of €1,030,000 is significantly below the fair value of €1,862,751, indicating the property is subvalued by €832,751, or 80.8%. This presents a compelling investment opportunity.
Fair value modelled at €1,862,751 from the area baseline, adjusted for condition and location. Asking €1,030,000 sits €832,751 (80.8%) below — the upside to fair value.
Asking €1,030,000 versus the rua das Castanholas area baseline of €1,724,688 (€4,956/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 76/100 (Condition 72 · Materials 80 · Room dimensions 74). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 70/100 (Housing Market 65 · Amenities 75 · Economic 70 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
rua das Castanholas
Area baseline €1,724,688 + condition +€2,719 + location +€137,780 = modelled fair value of €1,862,751 (€5,353/m²), a €832,751 (80.8%) gap versus the €1,030,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua das Castanholas | Subject | €1,030,000 | €2,960 | — | 72 | 70 |
| rua dos Lilazes | Active | €1,400,000 | €3,784 | 27.8% | 80 | 67 |
| rua José Afonso, 3 | Active | €950,000 | €4,279 | 44.6% | 72 | 65 |
| rua José da Silva Seguro | Active | €1,200,000 | €4,781 | 61.5% | 80 | 74 |
| praceta Mário Henrique Leiria, 104 | Active | €1,240,000 | €4,133 | 39.7% | 76 | 68 |
| Median comp | €1,220,000 | €4,206 | 42.1% | 78 | 68 |
Long-term rental This property offers a compelling opportunity for long-term rental in Cascais, given its fair value of €1,862,751, indicating an 80.8% gap from the listing price of €1,030,000. With a gross yield of 6.4%, this property can generate a stable income stream while being situated in a safe residential environment with good amenities. Family rental Positioned in a family-friendly suburb near Lisbon, this 4-bed house serves as an ideal family rental due to its spacious 348m² layout and proximity to essential amenities. The favorable market conditions and a decent neighborhood rating of 70/100 further enhance its appeal to families seeking stability. Buy-and-hold Investing in this property for a buy-and-hold strategy aligns well with the significant gap between the listing price and its fair value, suggesting substantial appreciation potential. Owning a property in a safe neighborhood within Cascais, combined with its reasonable yield, positions it well for long-term capital growth in the growing Lisbon suburban market.
Economic and Tenant Stability Risk The property has a moderate economic stability score of 70/100 and a tenant stability score of 70/100, indicating potential challenges in attracting and retaining tenants for consistent cash flow.
