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, 4-bathroom duplex of 210 m², built in 2018, energy rating C. Located on rua de São Mamede, Santa Maria Maior parish, Lisbon municipality, Lisbon district. This property features a unique private terrace that incorporates an ancient Roman structure, offering a blend of modern living with historical significance.
The valuation. The asking price of €1,795,000 sits significantly above the fair value of €283,605, representing a staggering €1,511,395 premium (84.2%). This property is clearly overpriced in today's market.
Fair value modelled at €283,605 from the area baseline, adjusted for condition and location. Asking €1,795,000 sits €1,511,395 (84.2%) above — overpriced versus fair value.
Asking €1,795,000 versus the rua de São Mamede area baseline of €1,082,340 (€5,154/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 86/100 (Condition 80 · Materials 90 · Room dimensions 85). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 85/100 (Housing Market 90 · Amenities 85 · Economic 90 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua de São Mamede
Area baseline €1,082,340 + condition +€26,250 + location +€31,605 = modelled fair value of €283,605 (€1,351/m²), a €1,511,395 (84.2%) gap versus the €1,795,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua de São Mamede | Subject | €1,795,000 | €8,548 | — | 80 | 85 |
| Santa Maria Maior · d7a42a | Active | €5,500,000 | €15,850 | 85.4% | 85 | 89 |
| Arroios · 1e64f3 | Active | €1,100,000 | €7,383 | 13.6% | 85 | 90 |
| Santa Maria Maior · 0324fc | Active | €3,900,000 | €14,444 | 69.0% | 85 | 87 |
| avenida Duque de Ávila, 24 | Active | €2,400,000 | €8,511 | 0.4% | 82 | 84 |
| Median comp | €3,150,000 | €11,478 | 34.3% | 85 | 88 |
Long-term rental The 3-bed duplex in Santa Maria Maior, priced at €1,795,000, presents a significant gap of 84.2% compared to its fair value of €283,605, indicating that it is overpriced. With a gross yield of only 2.3%, this property does not offer the financial return typically sought in long-term rental investments. Buy-and-hold Despite Lisbon's strong demand for housing, the current pricing of €1,795,000 makes this 3-bed duplex an unattractive buy-and-hold investment given its fair value of €283,605, showcasing an 84.2% premium. Investors may find limited capital appreciation potential due to this overpricing, despite the property’s positive ratings for condition and neighborhood. Short-term vacation rental While the location in Santa Maria Maior offers a vibrant atmosphere appealing to tourists, the property’s listing at €1,795,000 is significantly above its fair value of €283,605, marking it as overpriced. The 2.3% gross yield further dampens the attractiveness for short-term vacation rental strategies, suggesting that potential cash flows may not justify the substantial initial investment.
Tenant turnover risk The tenant stability score of 75/100 indicates that there may be a moderate risk of tenant turnover affecting consistent cash flow from the property.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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