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 143 m², built in 1995, energy rating F. Located on rua Manuel Francisco Serra, 9E, União das Freguesias do Cacém e São Marcos parish, Sintra municipality, Lisbon district. This property features a rooftop terrace ideal for leisure activities and unobstructed views, enhancing its appeal as a serene urban retreat.
The valuation. The asking price of €387,000 is significantly above its fair value of €318,016, resulting in an overprice of €68,984 (17.8%). This indicates that the property is not a financially advantageous purchase at its current asking price.
Fair value modelled at €318,016 from the area baseline, adjusted for condition and location. Asking €387,000 sits €68,984 (17.8%) above — overpriced versus fair value.
Asking €387,000 versus the rua Manuel Francisco Serra, 9E area baseline of €450,879 (€3,153/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 67/100 (Condition 70 · Materials 68 · Room dimensions 66). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 74/100 (Housing Market 70 · Amenities 65 · Economic 80 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
rua Manuel Francisco Serra, 9E
Area baseline €450,879 + condition -€18,322 + location +€29,460 = modelled fair value of €318,016 (€2,224/m²), a €68,984 (17.8%) gap versus the €387,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Manuel Francisco Serra, 9E | Subject | €387,000 | €2,706 | — | 70 | 74 |
| praceta Cristóvão Falcão, 6 | Active | €320,000 | €2,560 | 5.4% | 70 | 74 |
| rua Professor Mário Azevedo Gomes | Active | €298,000 | €3,239 | 19.7% | 65 | 75 |
| Rio de Mouro · 96c5cc | Active | €275,000 | €3,056 | 12.9% | — | 70 |
| praceta Fernão Lopes | Active | €370,000 | €3,033 | 12.1% | 68 | 75 |
| Median comp | €309,000 | €3,045 | 12.5% | 68 | 75 |
Family rental The 3-bed duplex in União das Freguesias do Cacém e São Marcos, listed at €387,000, is overpriced compared to its fair value of €318,016, suggesting limited potential for family rental income at the current price point. With a gross yield of only 4.1% and a neighborhood rating of 74/100, this investment may struggle to attract long-term tenants seeking affordable family housing. Long-term rental Given its pricing, long-term rental potential for this property appears subdued since it is valued 17.8% above fair value, limiting margin for rental growth. The modest gross yield of 4.1%, combined with a condition rating of 67/100, reflects the challenges in achieving appealing returns for long-term rental investors. Buy-and-hold In a buy-and-hold strategy, the 3-bed duplex is not a compelling investment due to its overpriced status, which could hinder capital appreciation over time. With a fair value significantly lower than the listing price and the yield insufficient to justify a prolonged holding, this property may not fulfill long-term investor expectations.
[Economic downturn risk] Given the economic stability score of 80/100, a severe economic downturn could still impact rental income, especially with a tenant stability score of only 70/100, indicating potential volatility in tenant retention.
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