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.
3-bedroom, 2-bathroom duplex of 248 m², built in 1999, energy rating D. Located on rua dos Mourões, 123, São Félix da Marinha parish, Vila Nova de Gaia municipality, Porto district. Unique Feature: The multifunctional attic, converted into an independent unit with a private terrace, offers versatile space for a master suite, office, or leisure area, enhancing the property's livability.
The valuation. The asking price of €385,000 sits below the fair value of €894,152, indicating the property is undervalued by €509,152 (132.2%). This creates an appealing investment opportunity for potential buyers.
Fair value modelled at €894,152 from the area baseline, adjusted for condition and location. Asking €385,000 sits €509,152 (132.2%) below — the upside to fair value.
Asking €385,000 versus the rua dos Mourões, 123 area baseline of €602,392 (€2,429/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 81/100 (Condition 78 · Materials 82 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 73/100 (Housing Market 75 · Amenities 70 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua dos Mourões, 123
Area baseline €602,392 + condition +€21,313 + location +€73,536 = modelled fair value of €894,152 (€3,605/m²), a €509,152 (132.2%) gap versus the €385,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua dos Mourões, 123 | Subject | €385,000 | €1,552 | — | 78 | 73 |
| travessa Granja de Cima S / N | Active | €290,000 | €2,028 | 30.6% | 64 | 71 |
| rua Alcino de Araújo, 59 | Active | €385,000 | €2,059 | 32.6% | 74 | 80 |
| rua Doutor Milheiros S / N | Active | €420,000 | €1,772 | 14.2% | 73 | 64 |
| rua Morangal, 436 | Active | €290,000 | €2,042 | 31.6% | 73 | 75 |
| Median comp | €337,500 | €2,035 | 31.1% | 73 | 73 |
Long-term rental The property presents a significant opportunity for long-term rental investors given its fair value of €894,152 compared to the listing price of €385,000, suggesting a gap of 132.2%. Positioned in a family-friendly suburban area of Vila Nova de Gaia, the property benefits from stable neighborhoods and low crime, ensuring a consistent demand for long-term rentals. Buy-and-hold Acquiring this duplex offers an excellent buy-and-hold strategy, with its true value indicating potential for substantial appreciation over time, as reflected in the valuation gap from the listing. The strong local market dynamics and favorable family-oriented environment suggest that property values are likely to rise, making this a sound investment. Family rental This duplex is well-suited for family rentals due to its size and the appealing characteristics of the neighborhood, which include decent schools and family-friendly amenities. With the property being underpriced at €385,000 compared to its fair value, it represents a strong cash flow potential as demand for family housing continues to be robust in this region.
Economic Vulnerability The property may face economic instability since the Economic Stability score is at 70, which indicates potential fluctuations in the market that could affect rental income.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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