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, 3-bathroom duplex of 173 m², built in 1989, energy rating E. Located Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. Noteworthy Feature: The duplex offers independent access to both floors, providing versatile living arrangements ideal for multi-generational families or rental opportunities.
The valuation. The asking price of €400,000 sits above the fair value of €370,236 by €29,764 (8.0%). While priced fairly, investors should proceed with caution considering potential market fluctuations.
Fair value modelled at €370,236 from 6 comparable sales in the area. Asking €400,000 sits €29,764 (8.0%) above — overpriced versus fair value.
Asking €400,000 versus the Algueirão-Mem Martins, Sintra, Lisbon area baseline of €309,938 (€1,792/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 66/100 is below the parish average, reducing 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 €309,938, adjusted for condition and micro-location, gives a modelled fair value of €370,236 (€2,140/m²), a €29,764 (8.0%) gap versus the €400,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Algueirão-Mem Martins · 2cde63 | Subject | €400,000 | €2,312 | — | 60 | 68 |
| rua Fonte Velha | Active | €280,000 | €2,188 | 5.4% | 68 | 68 |
| rua Doctor Prof. Joaquim Fontes | Active | €350,000 | €722 | 68.8% | 65 | 76 |
| Algueirão-Mem Martins · a80462 | Active | €390,000 | €2,216 | 4.2% | 75 | 69 |
| Algueirão-Mem Martins · 831287 | Active | €390,000 | €2,086 | 9.8% | 75 | 70 |
| Median comp | €370,000 | €2,137 | 7.6% | 72 | 70 |
Long-term rental The 3-bed duplex in Algueirão-Mem Martins offers a gross yield of 4.1%, which is decent for a long-term rental strategy, supported by its stable suburban characteristics and good access to Lisbon. However, its fair value of €370,236 reveals a slight gap of 8.0% from the listing price of €400,000, indicating the property is fairly priced without a significant margin for immediate equity gains. Family rental This property has a fair assessment for family rental, being in a neighborhood with decent amenities and a tenant quality rating of 68/100. While the listing price of €400,000 reflects its fair value of €370,236, the yield of 4.1% is reasonable, making it an appropriate choice for families looking for a comfortable suburban living space. Buy-and-hold As a buy-and-hold strategy, the 3-bed duplex presents a stable investment opportunity with a fair value of €370,236, aligning closely with its listing price of €400,000. The 4.1% yield indicates potential for steady rental income, although the small gap between listing and fair value suggests limited room for price appreciation in the near term.
Economic Volatility Risk The economic stability score of 70/100 suggests potential fluctuations in market conditions that could impact rental income and property value.
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