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 duplex of 130 m², energy rating C. Located on rua Cidade de Lagos, 6, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. The duplex features a fireplace and air conditioning, complementing its well-maintained interior with decent materials and two dedicated parking spaces, including an electric car charger.
The valuation. The asking price of €450,000 is slightly below the fair value of €461,788, indicating an underpriced status with a differential of €11,788 (2.6%). This presents an appealing opportunity for prospective buyers. Buy-to-flip angle. The strategy here involves a buy-to-flip approach, aiming for a quick resale at a premium by capitalizing on the property’s good condition and quality materials. This could yield attractive profits within a targeted short-term frame. Buy-to-let angle. A rental income strategy estimates a gross yield of 3.5%, with potential monthly income around €1,313, making the property suitable for long-term family rentals. This aligns well with the growing suburban market near Lisbon.
Fair value modelled at €461,788 from the area baseline, adjusted for condition and location. Asking €450,000 sits €11,788 (2.6%) below — the upside to fair value.
Asking €450,000 versus the rua Cidade de Lagos, 6 area baseline of €376,870 (€2,899/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 69/100 (Condition 70 · Materials 75 · Room dimensions 65). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 66/100 (Housing Market 75 · Amenities 65 · Economic 60 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
rua Cidade de Lagos, 6
Area baseline €376,870 + condition -€13,203 + location +€28,571 = modelled fair value of €461,788 (€3,552/m²), a €11,788 (2.6%) gap versus the €450,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Cidade de Lagos, 6 | Subject | €450,000 | €3,462 | — | 70 | 66 |
| rua Antero de Quental, 8 | Active | €320,000 | €3,678 | 6.3% | 68 | 65 |
| rua Senhora Fátima | Active | €415,000 | €3,487 | 0.7% | 72 | 67 |
| Algueirão-Mem Martins · 49b8e1 | Active | €355,000 | €3,944 | 14.0% | 65 | 68 |
| urbanização da Cavaleira | Active | €355,000 | €3,550 | 2.6% | 75 | 70 |
| Median comp | €355,000 | €3,614 | 4.4% | 70 | 68 |
Long-term rental The 3-bed duplex in Algueirão-Mem Martins offers a competitive gross yield of 3.5%, making it a compelling choice for long-term rental strategies. With access to Lisbon amenities enhancing tenant appeal and a fair value slightly above the listing price by 2.6%, this property is positioned as subpriced in the current market. Buy-and-hold Investing in this duplex as a buy-and-hold asset can capitalize on its solid neighborhood scores, particularly with a housing market influenced by proximity to Lisbon. The property’s 3.5% yield and its subpriced status suggest potential for appreciation over time, aligning well with long-term investment objectives. Family rental The duplex’s suburban setting near Lisbon is ideal for family rentals, tapping into a demographic seeking stability and accessibility to city amenities. Given the property’s fair value assessment and a yield of 3.5%, it presents as a subpriced option for investors targeting family-oriented tenants.
Moderate economic and tenant risk The property has economic and tenant stability scores of 60/100, indicating potential vulnerabilities in financial reliability and tenant retention that could affect income stability.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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