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 171 m², energy rating D. Located on rua Principal, São Domingos de Rana parish, Cascais municipality, Lisbon district. Noteworthy Features: The property includes an additional urban plot allowing for future construction, enhancing investment opportunities in a sought-after residential area of Cascais.
The valuation. The asking price of €680,000 is slightly below the estimated fair value of €696,970, indicating the property is underpriced by €16,970 or 2.5%. This presents an opportunity for a savvy investor to acquire value in a desirable area.
Fair value modelled at €696,970 from the area baseline, adjusted for condition and location. Asking €680,000 sits €16,970 (2.5%) below — the upside to fair value.
Asking €680,000 versus the rua Principal area baseline of €634,581 (€3,711/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 77/100 (Condition 70 · Materials 80 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 73/100 (Housing Market 70 · Amenities 70 · Economic 80 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
rua Principal
Area baseline €634,581 + condition +€4,008 + location +€58,381 = modelled fair value of €696,970 (€4,076/m²), a €16,970 (2.5%) gap versus the €680,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Principal | Subject | €680,000 | €3,977 | — | 70 | 73 |
| rua Principal | Active | €680,000 | €3,617 | 9.0% | 70 | 73 |
| rua dos Pioneiros, 136 | Active | €1,088,000 | €4,217 | 6.0% | 78 | 78 |
| São Domingos de Rana · dee63b | Active | €795,000 | €2,955 | 25.7% | 72 | 74 |
| estrada Ribeira da Lage S / N | Active | €750,000 | €3,191 | 19.7% | 70 | 68 |
| Median comp | €772,500 | €3,404 | 14.4% | 71 | 74 |
Long-term rental The property in São Domingos de Rana is currently offered at €680,000, presenting a notable opportunity as it is subvalued compared to its fair value of €696,970. With a gross yield of 3.8%, this investment aligns well with the steady demand for long-term rentals in the Cascais vicinity. Buy-and-hold Investing in this property allows for a strategic buy-and-hold approach due to its fair value gap of only 2.5% and a solid gross yield of 3.8%. The appealing suburban characteristics of the Cascais area and strong neighborhood ratings enhance the property's long-term growth potential. Family rental This 4-bed house is ideally suited for family rental with its rating of 73/100 for the neighborhood, attracting quality tenants looking for suburban living close to Lisbon. The combination of a favorable yield and its subvalued price position makes it an attractive option for families seeking spacious accommodations in a well-connected area.
Potential Tenant Turnover The tenant stability score of 70/100 indicates a moderate risk of tenant turnover, which may lead to increased vacancy periods and associated costs.