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.
2-bedroom, 1-bathroom duplex of 125 m², built in 1997, energy rating D. Located on rua Malva Rosa, 14, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. Noteworthy Feature: A private attic with direct interior access offers versatile possibilities, making this duplex ideal for a home office, gym, or additional guest space. Condition Notes: The space embodies modern design and premium finishes throughout.
The valuation. The asking price of €337,500 is significantly below fair value at €460,401, representing an underpriced opportunity by €122,901 or 36.4%. This presents a compelling entry point in the current market. Buy-to-flip angle. The resale strategy focuses on renovating the duplex for modern aesthetics, aiming to attract families, which could yield a higher sale price upon completion. Buy-to-let angle. The rental income strategy projects a gross yield of 3.6%, with estimated monthly income of €1,013, appealing to long-term tenants seeking suburban comfort near Lisbon.
Fair value modelled at €460,401 from the area baseline, adjusted for condition and location. Asking €337,500 sits €122,901 (36.4%) below — the upside to fair value.
Asking €337,500 versus the rua Malva Rosa, 14 area baseline of €362,375 (€2,899/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 80/100 (Condition 78 · Materials 85 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 62/100 (Housing Market 70 · Amenities 50 · Economic 70 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
rua Malva Rosa, 14
Area baseline €362,375 + condition +€10,547 + location +€20,604 = modelled fair value of €460,401 (€3,683/m²), a €122,901 (36.4%) gap versus the €337,500 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Malva Rosa, 14 | Subject | €337,500 | €2,700 | — | 78 | 62 |
| rua Professor Doutor Joaquim Fontes | Active | €219,000 | €3,129 | 15.9% | 73 | 70 |
| rua Florbela Espanca S / N | Active | €342,000 | €3,138 | 16.2% | 75 | 72 |
| Algueirão-Mem Martins · ba59ae | Active | €295,000 | €3,105 | 15.0% | 75 | 72 |
| rua Capitão Salgueiro Maia | Active | €285,000 | €3,098 | 14.7% | 72 | 73 |
| Median comp | €290,000 | €3,117 | 15.4% | 74 | 72 |
Long-term rental This 2-bed duplex in Algueirão-Mem Martins presents an attractive opportunity for long-term rental, given its fair value of €460,401 compared to the listing price of €337,500, yielding a gross return of 3.6%. The property benefits from a favorable suburban location with access to essential amenities, making it appealing to families and professionals seeking stable housing. Family rental With a listing price significantly below its fair market value, this duplex is well-positioned to cater to families looking for quality housing in a suburban setting. The property’s condition score of 80/100 indicates it is in good shape, enhancing its desirability for family rental in a community-oriented neighborhood. Buy-and-hold Investing in this property as a buy-and-hold strategy is prudent, as it is currently listed 36.4% below its fair value, providing significant upside potential. Given the solid condition and positive neighborhood characteristics, the duplex is expected to appreciate over time while generating a stable income stream through rental yields.
Tenant turnover risk The tenant stability score of 60/100 suggests a higher likelihood of tenant turnover, potentially leading to increased vacancy rates and costs related to re-leasing the property.
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