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.
6-bedroom, 4-bathroom penthouse of 263 m², energy rating C. Located São Domingos de Rana parish, Cascais municipality, Lisbon district. This penthouse features expansive terraces totaling 337m², offering unparalleled sea views and enhancing outdoor living space for relaxation and entertainment.
The valuation. The asking price of €2,800,000 is significantly above the fair value of €1,863,248, indicating an overpriced position by €936,752 (50.3%). This discrepancy raises concerns for potential investors evaluating the property’s true worth.
Fair value modelled at €1,863,248 from 6 comparable sales in the area. Asking €2,800,000 sits €936,752 (50.3%) above — overpriced versus fair value.
Asking €2,800,000 versus the São Domingos de Rana, Cascais, Lisbon area baseline of €1,536,037 (€5,840/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 84/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price above the wider parish average — a hyper-local premium distinct from the parish baseline.
Base gap of €1,536,037, adjusted for condition and micro-location, gives a modelled fair value of €1,863,248 (€7,085/m²), a €936,752 (50.3%) gap versus the €2,800,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| São Domingos de Rana · 5b8706 | Subject | €2,800,000 | €10,646 | — | 80 | 72 |
| avenida Marginal | Active | €1,580,000 | €7,488 | 29.7% | 80 | 72 |
| São Domingos de Rana · dee4b4 | Active | €1,200,000 | €5,941 | 44.2% | 85 | 69 |
| Carcavelos e Parede · de0b30 | Active | €2,190,000 | €6,311 | 40.7% | 80 | 70 |
| avenida da República, 757 | Active | €1,520,000 | €8,042 | 24.5% | 85 | 76 |
| Median comp | €1,550,000 | €6,900 | 35.2% | 83 | 71 |
Long-term rental The current pricing of the penthouse at €2,800,000 is significantly above its fair value of €1,863,248, resulting in a 50.3% gap that suggests it is overpriced. With a gross yield of only 2.1% and an 84/100 condition rating, long-term rental investors may struggle to achieve a satisfactory return. Buy-and-hold Investing in the penthouse as a buy-and-hold strategy is less appealing given its current valuation of €2,800,000, which exceeds the fair value by 50.3%. The proximity to Lisbon offers potential growth, but the yield of 2.1% and neighborhood rating of 72/100 indicate that the asset might not appreciate sufficiently to justify its premium price. Family rental The penthouse is currently overpriced at €2,800,000, with a fair value of €1,863,248 representing a 50.3% discrepancy that diminishes its appeal for family rental markets. While the suburban setting provides safety and amenities, the low yield of 2.1% raises concerns about long-term viability as a family rental investment.
Economic Volatility Risk A score of 70/100 in economic stability indicates potential fluctuations in the local economy, which may impact rental income and property value over time.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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