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 duplex of 256 m², energy rating D. Located on avenida de Brasília S / N, Oeiras e São Julião da Barra, Paço de Arcos e Caxias parish, Oeiras municipality, Lisbon district. Noteworthy Features: This duplex boasts a potential for individualization across its two levels, making it an ideal investment opportunity for rental income maximization.
The valuation. The asking price of €520,000 sits significantly below the fair value of €933,333, indicating the property is underpriced by €413,333 or 44.3%. This presents an attractive opportunity for savvy investors.
Fair value modelled at €933,333 from 6 comparable sales in the area. Asking €520,000 sits €413,333 (44.3%) below — the upside to fair value.
Asking €520,000 versus the avenida de Brasília S / N area baseline of €758,545 (€2,963/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 82/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price above the wider parish average — a hyper-local premium distinct from the parish baseline.
Base gap of €758,545, adjusted for condition and micro-location, gives a modelled fair value of €933,333 (€3,646/m²), a €413,333 (44.3%) gap versus the €520,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| avenida de Brasília S / N | Subject | €520,000 | €2,031 | — | 85 | 72 |
| estrada da Torre | Active | €770,000 | €3,949 | 94.4% | 82 | 72 |
| estrada da Torre | Active | €770,000 | €3,249 | 59.9% | 65 | 73 |
| avenida São Miguel | Active | €455,000 | €3,792 | 86.7% | 72 | 76 |
| rua Pedro Nunes | Active | €490,000 | €3,500 | 72.3% | 75 | 69 |
| Median comp | €630,000 | €3,646 | 79.5% | 74 | 73 |
Long-term rental This 4-bed duplex is well-positioned for long-term rental due to its gap from fair value of 44.3%, signaling potential for future appreciation. The gross yield of 6% indicates a strong return, making it an attractive option for long-term investment. Family rental The property is ideal for families, benefiting from an overall neighborhood score of 72/100 and the safety associated with suburban living. Its spacious layout and proximity to amenities make it a suitable choice for family renters seeking stability. Buy-and-hold With a fair value of €933,333 and an acquisition price of €520,000, this property offers significant upside potential for a buy-and-hold strategy. The prevailing long-term rental yield of 6% enhances the attractiveness of this investment over time, making it a sound choice for capital growth.
Economic Dependency Risk A high economic stability score of 80 indicates potential growth, but a tenant stability score of 70 suggests that there might be fluctuations in rental income, leading to a possible 10% vacancy risk.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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