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.
2-bedroom, 1-bathroom duplex of 150 m², energy rating D. Located on rua Alexandre Herculano S / N, São Domingos de Rana parish, Cascais municipality, Lisbon district. This duplex features a striking fireplace and a protected glass balcony with panoramic views extending to the iconic 25th of April Bridge, enhancing its modern living appeal.
The valuation. The asking price of €620,000 is significantly below the fair value of €789,876, presenting an underpriced opportunity with a difference of €169,876 (21.5%).
Fair value modelled at €789,876 from 6 comparable sales in the area. Asking €620,000 sits €169,876 (21.5%) below — the upside to fair value.
Asking €620,000 versus the rua Alexandre Herculano S / N area baseline of €648,852 (€4,326/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price above the wider parish average — a hyper-local premium distinct from the parish baseline.
Base gap of €648,852, adjusted for condition and micro-location, gives a modelled fair value of €789,876 (€5,266/m²), a €169,876 (21.5%) gap versus the €620,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Alexandre Herculano S / N | Subject | €620,000 | €4,133 | — | 74 | 73 |
| rua Manuel de Arriaga | Active | €364,900 | €4,293 | 3.9% | 72 | 78 |
| São Domingos de Rana · 956ff7 | Active | €410,000 | €4,505 | 9.0% | 85 | 78 |
| Carcavelos e Parede · 6c78d9 | Active | €420,000 | €5,385 | 30.3% | 72 | 71 |
| rua Alferes Santos Fidalgo, 62 | Active | €435,000 | €7,250 | 75.4% | 70 | 73 |
| Median comp | €415,000 | €4,945 | 19.6% | 72 | 76 |
Long-term rental The 2-bed duplex in São Domingos de Rana, with a fair value gap of 21.5%, presents an appealing opportunity for long-term rental investment. The location's suburban charm and family-oriented amenities are likely to attract stable, quality tenants looking for permanence. Family rental This property is well-suited for family rental, given its proximity to schools and communal amenities that cater to families. With a solid condition score of 78/100, prospective tenants can expect a comfortable living environment that meets their needs. Buy-and-hold Investing in this duplex as a buy-and-hold strategy is favorable due to its subvalorizada status and projected growth potential in the thriving Cascais area. The 2.8% gross yield, combined with a fair value significantly higher than the listing price, positions this property well for long-term appreciation. Not ideal for short-term rental The property is not suitable for short-term rental strategies, primarily due to its suburban location which may lack the tourist attractions needed for high occupancy rates. The neighborhood’s family-oriented nature limits appeal for transient guests typically sought in short-term rentals. Not ideal for student housing This duplex would not be ideal for student housing, as the demographic and lifestyle in the area cater more towards families rather than the needs of students. Additionally, proximity to educational institutions does not compensate for the lack of lively, youthful amenities that attract students.
Tenant instability risk The tenant stability score of 65/100 indicates potential challenges in maintaining reliable occupancy, which may impact rental income stability.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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