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 house of 312 m², built in 1986, energy rating D. Located on rua António Sérgio S / N, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy Features: The property includes a versatile basement games room, enhancing recreational opportunities, and benefits from multiple balconies, providing outdoor access and views in a tranquil setting.
The valuation. The asking price of €1,125,000 is significantly below the fair value of €1,631,701, reflecting a discount of €506,701 (45.0%). This property is notably underpriced within the market.
Fair value modelled at €1,631,701 from the area baseline, adjusted for condition and location. Asking €1,125,000 sits €506,701 (45.0%) below — the upside to fair value.
Asking €1,125,000 versus the rua António Sérgio S / N area baseline of €1,544,088 (€4,949/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 69/100 (Condition 72 · Materials 70 · Room dimensions 70). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 69/100 (Housing Market 75 · Amenities 55 · Economic 70 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
rua António Sérgio S / N
Area baseline €1,544,088 + condition -€29,737 + location +€117,351 = modelled fair value of €1,631,701 (€5,230/m²), a €506,701 (45.0%) gap versus the €1,125,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua António Sérgio S / N | Subject | €1,125,000 | €3,606 | — | 72 | 69 |
| rua António Sérgio S / N | Active | €1,150,000 | €3,686 | 2.2% | 62 | 70 |
| Alcabideche · 25f867 | Active | €949,500 | €4,869 | 35.0% | 74 | 66 |
| praceta Medeiros, 8 | Active | €850,000 | €4,146 | 15.0% | 60 | 71 |
| Cascais e Estoril · 00151d | Active | €1,650,000 | €4,220 | 17.0% | 74 | 71 |
| Median comp | €1,049,750 | €4,183 | 16.0% | 68 | 71 |
Long-term rental This property is well-positioned in the Lisbon metropolitan suburbs, providing strong access to employment and amenities. With a fair value gap of 45.0%, it presents a compelling opportunity for a long-term rental investment with a gross yield of 5.5%. Family rental Given its size and location, this 5-bed house caters well to families seeking comfort and proximity to Lisbon. The fair value assessment reveals a significant valuation gap, suggesting that the demand for family rentals in this area could yield strong returns over time. Buy-and-hold The property’s fair value indicates there is substantial appreciation potential, making it suitable for a buy-and-hold strategy. With a yield of 5.5% and a competitive position in the market, it offers a reliable option for long-term capital growth. Not ideal for: Short-term vacation rental, Luxury market, Student housing
Economic Vulnerability The property faces economic risk as indicated by a moderate economic stability score of 70/100, which suggests potential challenges in local economic conditions affecting tenant demand and rental income. Tenant Turnover Risk With a tenant stability score of 65/100, there is a significant risk of tenant turnover that could lead to increased vacancy rates and costs associated with finding new tenants. These scores suggest possible instability in both economic and tenant demographics that could impact investment returns.
