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.
4-bedroom, 3-bathroom duplex of 225 m², energy rating C. Located on calçada de Santo António, 9A, Santo António parish, Lisbon municipality, Lisbon district. Noteworthy Features: The property includes two balconies that extend the living space, offering delightful views and a tranquil escape amidst the vibrant heart of Lisbon. Energy Category: C.
The valuation. The asking price of €1,275,000 sits significantly below the fair value of €1,770,539, presenting a discrepancy of €495,539, or 38.9%. This property is therefore considered underpriced. Buy-to-flip angle. A buy-to-flip strategy could capitalize on the property’s desirable location and high-quality finishes, enabling a profitable resale at a higher market value with estimated renovations. Buy-to-let angle. With an estimated monthly rental income of €3,506, resulting in a gross yield of 3.3%, the property presents an attractive buy-to-let opportunity in a sought-after neighborhood.
Fair value modelled at €1,770,539 from the area baseline, adjusted for condition and location. Asking €1,275,000 sits €495,539 (38.9%) below — the upside to fair value.
Asking €1,275,000 versus the calçada de Santo António, 9A area baseline of €1,591,425 (€7,073/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 (Condition 75 · Materials 80 · Room dimensions 77). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 90/100 (Housing Market 95 · Amenities 90 · Economic 90 · Tenant Quality 85). Strong amenities and housing-market momentum support a premium to baseline.
calçada de Santo António, 9A
Area baseline €1,591,425 + condition +€8,789 + location +€243,000 = modelled fair value of €1,770,539 (€7,869/m²), a €495,539 (38.9%) gap versus the €1,275,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| calçada de Santo António, 9A | Subject | €1,275,000 | €5,667 | — | 75 | 90 |
| avenida da Liberdade | Active | €830,000 | €5,287 | 6.7% | — | 87 |
| avenida François Mitterrand | Active | €370,000 | €3,854 | 32.0% | 68 | 80 |
| rua Ferreira Lapa Entre Marques de Pombal | Active | €570,000 | €5,588 | 1.4% | 75 | 82 |
| rua Prior Coutinho | Active | €530,000 | €6,163 | 8.8% | 75 | 84 |
| Median comp | €550,000 | €5,438 | 4.0% | 75 | 83 |
Long-term rental The central location in Santo António combined with a fair value gap of 38.9% makes this property an appealing option for long-term rentals, despite the gross yield of 3.3%. With a strong neighbourhood rating of 90/100, tenant demand is likely to remain robust. Short-term vacation rental Given the desirable location and significant valuation gap, this property presents an exciting opportunity for short-term vacation rentals, capitalizing on Lisbon's popularity with tourists. The combination of a high neighbourhood quality score and the potential to achieve higher returns justifies the investment in this asset. Buy-and-hold The strong fundamentals of the property, highlighted by the 38.9% gap to fair value, suggest that a buy-and-hold strategy could yield profitable returns over time. With the neighbourhood rating at 90/100, this asset is likely to appreciate in value as Lisbon continues to grow in popularity. Not ideal for student housing While the property is in an appealing area, its pricing and target demographic suggest that it is not well-suited for student housing. The expected yield and property condition may not align with the demands of the student rental market.
Potential Economic Downturn The high economic stability score of 90/100 suggests a strong market; however, any downturn could impact profitability, despite the current strength.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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