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, 1-bathroom house of 170 m², built in 1959. Located on rua Dona Maria da Costa Basto, 77, Oliveira do Douro parish, Vila Nova de Gaia municipality, Porto district. Noteworthy Features: This property includes a second independent structure with versatile potential for a multifunctional space or complementary residence, enhancing its investment opportunities on the spacious plot.
The valuation. The asking price of €189,000 significantly exceeds the fair value of €44,811 by €144,189, indicating that the property is overpriced by 76.3%. This discrepancy suggests that potential buyers should exercise caution. Buy-to-flip angle. A resale strategy would entail making minimal cosmetic improvements to elevate the property's appeal in the market, but the high asking price diminishes potential profit margins. Quick renovations could allow for a resale at an inflated price, but risks remain. Buy-to-let angle. With a gross yield of 8% estimated at €1,260 per month, this investment in Oliveira do Douro could generate steady rental income over time. The property targets long-term family rentals but may struggle due to its dated condition.
Fair value modelled at €44,811 from the area baseline, adjusted for condition and location. Asking €189,000 sits €144,189 (76.3%) above — overpriced versus fair value.
Asking €189,000 versus the rua Dona Maria da Costa Basto, 77 area baseline of €446,760 (€2,628/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 30/100 (Condition 25 · Materials 30 · Room dimensions 40). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 65/100 (Housing Market 70 · Amenities 60 · Economic 70 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
rua Dona Maria da Costa Basto, 77
Area baseline €446,760 + condition -€119,531 + location +€9,302 = modelled fair value of €44,811 (€264/m²), a €144,189 (76.3%) gap versus the €189,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Dona Maria da Costa Basto, 77 | Subject | €189,000 | €1,112 | — | 25 | 65 |
| travessa da Presa da Agra | Active | €110,000 | €880 | 20.8% | — | 80 |
| rua das Escolas S / N | Active | €240,000 | €2,609 | 134.6% | — | 78 |
| rua Ourives, 350 | Active | €210,000 | €1,458 | 31.2% | 18 | 74 |
| Gondomar (São Cosme), Valbom e Jovim · dee42d | Active | €195,000 | €1,477 | 32.9% | — | 81 |
| Median comp | €202,500 | €1,468 | 32.0% | 18 | 79 |
Long-term rental The property is overpriced at €189,000 compared to a fair value of €44,811, creating a significant gap of 76.3%. With a gross yield of 8%, the returns do not justify the initial investment due to its inflated cost. Buy-and-hold Given that the purchase price is excessively high at €189,000, it is unlikely that this property will gain sufficient value over time to offset the current disparity from its fair value of €44,811. The poor condition rating of 30/100 further implies that the costs of ownership will not align with market expectations in the long term. Family rental Although the property is located in a suburban area of Porto with urban amenities, its listing price of €189,000 is substantially above the fair value of €44,811, indicating it is overpriced. Families seeking long-term rentals may be dissuaded by both the high purchase cost and the property's condition, rated at just 30/100.
Tenant turnover risk With a tenant stability score of 60/100, there is a heightened risk of tenant turnover, which could lead to increased vacancy rates and associated costs.
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