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.
3-bedroom, 2-bathroom apartment of 142 m². Located on rua Inocêncio de Sousa Duarte, 1, Mafra parish, Mafra municipality, Lisbon district. This property features two expansive terraces totaling 35 m², perfect for outdoor entertaining and relaxation, alongside a dedicated garage and storage unit for added convenience.
The valuation. The asking price of €489,000 is significantly above the fair value of €296,120, creating a disparity of €192,880 (39.4%). This property is considered overpriced given the valuation metrics.
Fair value modelled at €296,120 from the area baseline, adjusted for condition and location. Asking €489,000 sits €192,880 (39.4%) above — overpriced versus fair value.
Asking €489,000 versus the rua Inocêncio de Sousa Duarte, 1 area baseline of €457,240 (€3,220/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 76/100 (Condition 74 · Materials 78 · Room dimensions 76). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 61/100 (Housing Market 60 · Amenities 55 · Economic 65 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
rua Inocêncio de Sousa Duarte, 1
Area baseline €457,240 + condition +€2,441 + location +€12,377 = modelled fair value of €296,120 (€2,085/m²), a €192,880 (39.4%) gap versus the €489,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Inocêncio de Sousa Duarte, 1 | Subject | €489,000 | €3,444 | — | 74 | 61 |
| avenida Primeiro de Maio S / N | Active | €350,000 | €3,571 | 3.7% | 70 | 58 |
| Mafra · 25f69a | Active | €415,000 | €3,843 | 11.6% | 72 | 53 |
| rua Luís de Camões, 12 | Active | €345,000 | €3,833 | 11.3% | 73 | 69 |
| Mafra · 8936d1 | Active | €339,900 | €4,249 | 23.4% | 77 | 55 |
| Median comp | €347,500 | €3,838 | 11.5% | 73 | 57 |
Long-term rental The property is overpriced with a listing price of €489,000 compared to its fair value of €296,120, resulting in a significant gap of 39.4%. Additionally, the gross yield of 3.8% is on the lower end, making it less attractive as a long-term investment. Family rental Given its fair value and residential characteristics, the property may not justify its current listing price for a family rental strategy, presenting potential challenges for affordability. Furthermore, the local amenities and school access are good but not exceptional, which may deter families from renting in the area. Buy-and-hold The buy-and-hold strategy is undermined by the property's current valuation, which significantly exceeds fair value, limiting its potential for future appreciation. The lower neighborhood rating of 61/100 also raises concerns about tenant demand and long-term stability in investment returns.
Economic Vulnerability The economic stability score of 65 may indicate potential fluctuations in market conditions that could negatively impact rental income or property value.
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