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 duplex of 431 m², built in 2022, energy rating A. Located on rua Oeiras, 3, Porto Salvo parish, Oeiras municipality, Lisbon district. Exclusive rooftop terrace of 150 m² with adaptable enclosed dining space and provisions for a private wellness area, enhancing leisure and lifestyle possibilities in a prime location.
The valuation. The asking price of €1,070,000 is significantly below the fair value of €2,216,885, presenting a unique opportunity with a difference of €1,146,885 (107.2%). Verdict: underpriced.
Fair value modelled at €1,676,014 from the area baseline, adjusted for condition and location. Asking €1,070,000 sits €606,014 (56.6%) below — the upside to fair value.
Asking €1,070,000 versus the rua Oeiras, 3 area baseline of €1,480,054 (€3,434/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 85/100 (Condition 80 · Materials 90 · Room dimensions 85). Above-median finish quality lifts fair value versus a baseline unit needing CapEx. Full condition report →
Neighbourhood score 74/100 (Housing Market 70 · Amenities 70 · Economic 80 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline. Full location report →
rua Oeiras, 3
Area baseline €1,480,054 + condition +€53,875 + location +€142,085 = modelled fair value of €1,676,014 (€3,889/m²), a €606,014 (56.6%) gap versus the €1,070,000 asking price.
Long-term rental The 4-bed duplex in Porto Salvo is currently being offered at €1,070,000, with a significant gap of 107.2% compared to its fair value of €2,216,885, indicating strong potential for long-term rental strategy. In a suburban setting like Oeiras, the property’s appealing condition of 85/100 underlines its suitability for attracting quality tenants seeking stability. Family rental With its spacious 431m² layout and an attractive condition rating of 85/100, this property is well-suited for family rental purposes in the safe, suburban environment of Oeiras. The gap of 107.2% from its fair value further illustrates the potential for families looking for spacious accommodations at a below-market price. Buy-and-hold Investing in this duplex as a buy-and-hold strategy is bolstered by its fair value of €2,216,885, which suggests a noteworthy appreciation potential with an existing listing price of €1,070,000. The neighbourhood's amenities, coupled with a strong property condition rating of 85/100, imply long-term value growth in an area with stable demand.
Economic Dependency Risk The economic stability score of 80 suggests a generally stable economic environment, but with a tenant stability score of 75, there is a notable risk that tenant turnover could impact future rental income reliability due to potential economic fluctuations affecting tenant retention.
