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, 4-bathroom house of 190 m², built in 2006, energy rating C. Located Grijó e Sermonde parish, Vila Nova de Gaia municipality, Porto district. This property features a dedicated gym area in the basement, enhancing its appeal for fitness enthusiasts and promoting a healthier lifestyle.
The valuation. The asking price of €439,000 sits €83,850 (19.1%) below the fair value of €522,850, indicating that this property is underpriced relative to its market potential. Buy-to-flip angle. A buy-and-flip strategy could capitalize on the current below-market price, aiming for a quick resale at or above fair value within the desired timeline. Buy-to-let angle. The estimated gross yield of 4.5% translates to approximately €1,646 per month in rental income, making it an attractive option for long-term family rentals in a desirable area.
Fair value modelled at €522,850 from the area baseline, adjusted for condition and location. Asking €439,000 sits €83,850 (19.1%) below — the upside to fair value.
Asking €439,000 versus the Grijó e Sermonde, Vila Nova de Gaia, Porto area baseline of €499,320 (€2,628/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 79/100 (Condition 80 · Materials 85 · Room dimensions 75). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 72/100 (Housing Market 75 · Amenities 65 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
Grijó e Sermonde, Vila Nova de Gaia, Porto
Area baseline €499,320 + condition +€10,391 + location +€41,449 = modelled fair value of €522,850 (€2,752/m²), a €83,850 (19.1%) gap versus the €439,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Grijó e Sermonde · f3631c | Subject | €439,000 | €2,311 | — | 80 | 72 |
| rua Guimarães | Active | €395,000 | €1,660 | 28.2% | 70 | 65 |
| Grijó e Sermonde · 6d5552 | Active | €630,000 | €2,944 | 27.4% | 85 | 64 |
| Grijó e Sermonde · 735452 | Active | €439,000 | €1,219 | 47.2% | — | 68 |
| rua Firmeza | Active | €460,000 | €1,756 | 24.0% | 72 | 74 |
| Median comp | €449,500 | €1,708 | 26.1% | 72 | 67 |
Long-term rental The property at €439,000 is subvalorizada at a 19.1% discount to its fair value of €522,850, presenting a strong investment opportunity for long-term rental. With a gross yield of 4.5%, this property is well-positioned to generate solid cash flow while benefiting from the growing demand for rental housing in the area. Buy-and-hold Acquiring this 4-bed house in Vila Nova de Gaia provides an excellent buy-and-hold opportunity, especially given its valuation gap of 19.1% below fair value. The strong condition rating of 79/100 further supports the potential for long-term appreciation in a desirable location near Porto. Family rental As a family rental, this property is attractive due to its spacious 190m² layout and proximity to amenities in Porto, making it appealing to families seeking longer-term housing. The neighbourhood's decent score of 72/100 indicates a good living environment, ensuring consistent demand for family rentals in the area.
Economic Vulnerability The economic stability score of 70/100 indicates a moderate risk, suggesting potential fluctuations in market conditions that could impact profitability.
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