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 507 m², built in 1997, energy rating D. Located Grijó e Sermonde parish, Vila Nova de Gaia municipality, Porto district. The property features an expansive 58.85 m² versatile space on the first floor, ideal for customization as an office, gym, or entertainment room to suit personal needs.
The valuation. The asking price of €502,800 sits significantly below the fair value of €1,177,591, indicating that the property is underpriced by €674,791 (57.3%). This presents a compelling opportunity for potential buyers. Buy-to-flip angle. The property can facilitate a lucrative resale strategy by leveraging its high-quality finishes and favorable location, with a potential to generate significant returns upon renovation and resale. Buy-to-let angle. An estimated gross yield of 5.7% suggests the property is well-suited for rental income, aiming for approximately €2,388/month, which aligns with long-term family rental strategies.
Fair value modelled at €1,177,591 from 6 comparable sales in the area. Asking €502,800 sits €674,791 (57.3%) below — the upside to fair value.
Asking €502,800 versus the Grijó e Sermonde, Vila Nova de Gaia, Porto area baseline of €1,343,663 (€2,650/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 below the wider parish average — a hyper-local discount distinct from the parish baseline.
Base gap of €1,343,663, adjusted for condition and micro-location, gives a modelled fair value of €1,177,591 (€2,323/m²), a €674,791 (57.3%) gap versus the €502,800 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Grijó e Sermonde · 1442c8 | Subject | €502,800 | €992 | — | 75 | 72 |
| rua Farrapa, 51 | Active | €530,000 | €2,335 | 135.4% | 77 | 66 |
| rua Morgadinha, 338 | Active | €549,900 | €2,422 | 144.3% | 76 | 65 |
| Grijó e Sermonde · 3a71f4 | Active | €530,000 | €2,335 | 135.4% | 75 | 65 |
| Grijó e Sermonde · f3631c | Active | €439,000 | €2,311 | 133.0% | 80 | 72 |
| Median comp | €530,000 | €2,335 | 135.5% | 77 | 66 |
Long-term rental The property, listed at €502,800, presents a significant opportunity with a fair value of €1,177,591, indicating it is subvalued by 57.3%. With a gross yield of 5.7% and a neighborhood rating of 72/100, it appeals to long-term tenants seeking suburban living close to the greater Porto metro area. Family rental A 4-bed house in Grijó e Sermonde is well-suited for family rental, as its fair value significantly exceeds the listing price by 57.3%. The 78/100 condition rating further enhances its attractiveness for families looking for a spacious and comfortable home in a decent neighborhood. Buy-and-hold This property represents a compelling buy-and-hold strategy, with its fair value of €1,177,591 standing in stark contrast to the asking price of €502,800, marking a 57.3% gap. Its 5.7% gross yield, coupled with the area's growth potential, suggests solid long-term appreciation in value over time.
Economic Volatility Risk The economic stability score of 70/100 indicates a moderate to high likelihood of market fluctuations affecting property value and rental income.
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