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 176 m², built in 1999, energy rating E. Located Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. Noteworthy Features: This duplex includes two elevators providing convenient access to all floors and stunning unobstructed panoramic views from the living area windows. Condition Notes: Recent maintenance ensures minimal signs of wear throughout the property.
The valuation. The asking price of €390,000 is slightly above the fair value of €380,372, resulting in a difference of €9,628 (2.5%). Therefore, the property is considered fairly valued.
Fair value modelled at €380,372 from 6 comparable sales in the area. Asking €390,000 sits €9,628 (2.5%) above — overpriced versus fair value.
Asking €390,000 versus the Algueirão-Mem Martins, Sintra, Lisbon area baseline of €271,802 (€1,544/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 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 €271,802, adjusted for condition and micro-location, gives a modelled fair value of €380,372 (€2,161/m²), a €9,628 (2.5%) gap versus the €390,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Algueirão-Mem Martins · a80462 | Subject | €390,000 | €2,216 | — | 75 | 69 |
| Algueirão-Mem Martins · 831287 | Active | €390,000 | €2,086 | 5.9% | 75 | 70 |
| rua Capitão Salgueiro Maia, 21 | Active | €495,000 | €2,230 | 0.6% | 75 | 71 |
| Algueirão-Mem Martins · 3df42d | Active | €429,000 | €2,093 | 5.6% | 70 | 70 |
| rua Capitão Salgueiro Maia | Active | €398,500 | €3,240 | 46.2% | 74 | 73 |
| Median comp | €413,750 | €2,162 | 2.5% | 75 | 71 |
Long-term rental The 4-bed duplex in Algueirão-Mem Martins is fairly priced at €390,000, slightly above the fair value of €380,372, indicating its current market position is stable. With a yield of 0% gross and a condition rating of 78/100, it appeals to long-term tenants seeking suburban stability near Lisbon. Family rental As a family rental option, this property is in a neighborhood with a decent rating of 69/100, reflecting a community conducive to family living. While the property is priced fairly, it offers potential for residential stability given its proximity to employment in Lisbon and suburban safety features. Buy-and-hold Investing in this property as a buy-and-hold strategy could be advantageous due to its fair valuation; however, the lack of rental yield may impact cash flow in the short term. The suburban location near Lisbon provides a solid long-term investment outlook, with the potential for long-term appreciation in value despite its current pricing context.
Economic and Tenant Instability With both economic and tenant stability scores at 70/100, there is a risk of increased vacancy rates or rental income fluctuations, potentially impacting cash flow stability.
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