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 house of 80 m², built in 1958, energy rating D. Located on rua do Bom Humor, 20, Vialonga parish, Vila Franca de Xira municipality, Lisbon district. The property features a spacious terrace with a built-in barbecue, ideal for outdoor entertaining and leisure activities, enhancing its charm and potential for renovation.
The valuation. The asking price of €340,000 is significantly above the fair value of €151,810, indicating the property is overpriced by €188,190 (55.3%). This discrepancy suggests limited potential for immediate appreciation. Buy-to-flip angle. A buy-and-flip strategy could be challenging given the current valuation; significant renovations may not result in substantial profits in this market. A detailed cost-benefit analysis is essential before considering this route. Buy-to-let angle. With an estimated gross yield of 2.4% from monthly rentals of approximately €680, the property may attract long-term tenants, though the low yield suggests it's not the most lucrative investment for rental income.
Fair value modelled at €151,810 from the area baseline, adjusted for condition and location. Asking €340,000 sits €188,190 (55.3%) above — overpriced versus fair value.
Asking €340,000 versus the rua do Bom Humor, 20 area baseline of €234,880 (€2,936/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 58/100 (Condition 60 · Materials 55 · Room dimensions 62). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 73/100 (Housing Market 75 · Amenities 70 · Economic 75 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
rua do Bom Humor, 20
Area baseline €234,880 + condition -€21,250 + location +€14,580 = modelled fair value of €151,810 (€1,898/m²), a €188,190 (55.3%) gap versus the €340,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua do Bom Humor, 20 | Subject | €340,000 | €4,250 | — | 60 | 73 |
| Vialonga · 25f53a | Active | €350,000 | €4,861 | 14.4% | 65 | 76 |
| Santa Iria de Azóia, São João da Talha e Bobadela · 001956 | Active | €250,000 | €2,688 | 36.7% | 70 | 74 |
| rua Varela Silva, 7 | Active | €350,000 | €2,846 | 33.0% | 72 | 72 |
| Póvoa de Santa Iria e Forte da Casa · 4839b7 | Active | €293,500 | €3,335 | 21.5% | 78 | 74 |
| Median comp | €321,750 | €3,091 | 27.3% | 71 | 74 |
Long-term rental The property in Vialonga, priced at €340,000, represents a significant 55.3% gap when compared to its fair value of €151,810, indicating it is overpriced. With a gross yield of only 2.4%, the rental income potential does not justify the high purchase price, making it an unattractive option for long-term rental investors. Family rental At €340,000, this 2-bed house exceeds its fair value by 55.3%, positioning it as overpriced for family rental purposes. The low gross yield of 2.4% further suggests that potential family renters may not find the property financially viable, limiting its appeal in that demographic. Buy-and-hold With a listing price of €340,000, this property is overpriced by 55.3% against its fair value of €151,810, diminishing its attractiveness for a buy-and-hold strategy. The modest gross yield of 2.4% does not sufficiently compensate for the high initial investment, making long-term appreciation a questionable prospect in the current market dynamics.
Tenant turnover risk With a tenant stability score of 70/100, there is a significant risk of high tenant turnover, which can lead to increased vacancy rates and decreased rental income.
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