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, 2-bathroom apartment of 180 m², built in 1950, energy rating D. Located on rua Doutor António Martins, 260, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy features: This apartment features an independent entrance and a magnificent balcony with sea views, enhancing its villa-like charm and outdoor living space.
The valuation. The asking price of €1,590,000 is significantly above the fair value of €1,010,279, revealing an overvaluation of €579,721 (36.5%). This indicates that potential investors should approach with caution regarding this property.
Fair value modelled at €1,010,279 from the area baseline, adjusted for condition and location. Asking €1,590,000 sits €579,721 (36.5%) above — overpriced versus fair value.
Asking €1,590,000 versus the rua Doutor António Martins, 260 area baseline of €892,080 (€4,956/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 82/100 (Condition 80 · Materials 85 · Room dimensions 81). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 78/100 (Housing Market 80 · Amenities 75 · Economic 80 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua Doutor António Martins, 260
Area baseline €892,080 + condition +€19,688 + location +€99,772 = modelled fair value of €1,010,279 (€5,613/m²), a €579,721 (36.5%) gap versus the €1,590,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Doutor António Martins, 260 | Subject | €1,590,000 | €8,833 | — | 80 | 78 |
| travessa da Bela Vista, 9 | Active | €1,495,000 | €10,170 | 15.1% | 80 | 75 |
| avenida Emídio Navarro, 319 | Active | €1,750,000 | €13,780 | 56.0% | 80 | 68 |
| rua 9 de Abril, 58B | Active | €1,850,000 | €9,204 | 4.2% | 78 | 69 |
| rua Rainha Joana da Bulgária, 141 | Active | €1,650,000 | €11,871 | 34.4% | 80 | 73 |
| Median comp | €1,700,000 | €11,021 | 24.8% | 80 | 71 |
Long-term rental The 4-bed apartment in Cascais is overpriced at €1,590,000 compared to a fair value of €1,010,279, resulting in a significant 36.5% gap. With a low yield of 2.3%, this investment will struggle to generate adequate cash flow over time, making long-term rental an unattractive strategy. Short-term vacation rental This property, despite its coastal location and appealing features, is overpriced at €1,590,000, significantly exceeding the fair value of €1,010,279. The high price combined with the 2.3% gross yield diminishes the potential for short-term vacation rental profitability, suggesting that this market strategy would be less viable. Luxury market While the apartment has attributes suitable for the luxury market, its asking price of €1,590,000 does not align with the fair value of €1,010,279, indicating it is overpriced by 36.5%. The combination of an 82/100 condition rating and a 78/100 neighbourhood score suggests it may not appeal to high-end buyers given its inflated price point and cannot sustain a luxury positioning effectively.
Tenant turnover risk The tenant stability score of 75/100 suggests a moderate risk of turnover, which could lead to potential vacancy periods and loss of rental income.
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