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.
1-bedroom, 1-bathroom apartment of 71 m², built in 2007, energy rating B. Located on avenida Sérgio Vieira de Mello, 23, Santa Clara parish, Lisbon municipality, Lisbon district. Noteworthy Features: This apartment boasts a 7-door wardrobe for ample storage and a strategic 8th-floor position, ensuring both privacy and breathtaking unobstructed views.
The valuation. The asking price of €318,000 is significantly above the fair value of €98,122, indicating an overvaluation of €219,878 (69.1%). This suggests that the property is overpriced and may not be a sound investment at this price point.
Fair value modelled at €98,122 from the area baseline, adjusted for condition and location. Asking €318,000 sits €219,878 (69.1%) above — overpriced versus fair value.
Asking €318,000 versus the avenida Sérgio Vieira de Mello, 23 area baseline of €267,173 (€3,763/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 78/100 (Housing Market 80 · Amenities 75 · Economic 80 · Tenant Quality 78). Strong amenities and housing-market momentum support a premium to baseline.
avenida Sérgio Vieira de Mello, 23
Area baseline €267,173 + condition -€8,542 + location +€10,743 = modelled fair value of €98,122 (€1,382/m²), a €219,878 (69.1%) gap versus the €318,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| avenida Sérgio Vieira de Mello, 23 | Subject | €318,000 | €4,479 | — | 70 | 78 |
| rua Belo Marques, 1 | Active | €342,500 | €3,892 | 13.1% | — | 79 |
| rua Ilha da Madeira, 25 | Active | €262,500 | €5,966 | 33.2% | 70 | 72 |
| Lumiar · 4b9910 | Active | €548,500 | €4,897 | 9.3% | 73 | 78 |
| urbanização Varandas do Golf | Active | €450,000 | €6,000 | 34.0% | 80 | 68 |
| Median comp | €396,250 | €5,432 | 21.3% | 73 | 75 |
Long-term rental A long-term rental strategy for this 1-bed apartment in Santa Clara does not appear favorable given the substantial gap of 69.1% from its fair value of €98,122. With a gross yield of just 4% and an overpriced listing at €318,000, this investment may not generate adequate returns. Buy-and-hold Investing in this property as a buy-and-hold strategy is not recommended, considering its current listing price far exceeds the fair value, suggesting a risk of depreciation. Additionally, the apartment's yield of 4% does not justify the high initial investment of €318,000, indicating that holding this asset over time may not produce the expected gains. Family rental While family rentals can be lucrative in desirable locations, the significant price overvaluation of this property at €318,000 compared to its fair value of €98,122 raises serious concerns about profitability. The property's gross yield of only 4% further emphasizes that this investment may not provide the necessary financial incentive to warrant the high acquisition cost.
Economic Sensitivity Risk The property is less insulated from economic fluctuations with an economic stability score of 80, indicating that a downturn could impact tenant stability as evidenced by the 78 tenant stability score, potentially leading to increased vacancies and lower rental income.
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