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, 5-bathroom penthouse of 292 m², built in 2000, energy rating C. Located on avenida Manuel Júlio Carvalho e Costa, 33, Cascais e Estoril parish, Cascais municipality, Lisbon district. This penthouse features an exceptional circular terrace offering 360-degree panoramic views of the sea and mountains, creating a unique outdoor experience in a prestigious coastal location.
The valuation. The asking price of €2,700,000 sits significantly below the fair value of €3,924,549, representing a discount of €1,224,549 (31.2%). This property is definitely underpriced in the current market.
Fair value modelled at €3,924,549 from 6 comparable sales in the area. Asking €2,700,000 sits €1,224,549 (31.2%) below — the upside to fair value.
Asking €2,700,000 versus the avenida Manuel Júlio Carvalho e Costa, 33 area baseline of €3,563,863 (€12,205/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 82/100 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 €3,563,863, adjusted for condition and micro-location, gives a modelled fair value of €3,924,549 (€13,440/m²), a €1,224,549 (31.2%) gap versus the €2,700,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| avenida Manuel Júlio Carvalho e Costa, 33 | Subject | €2,700,000 | €9,247 | — | 79 | 61 |
| Cascais e Estoril · 5ed016 | Active | €5,100,000 | €13,673 | 47.9% | 77 | 72 |
| avenida Manuel Júlio Carvalho e Costa | Active | €5,800,000 | €19,205 | 107.7% | 85 | 69 |
| avenida Manuel Júlio Carvalho e Costa | Active | €5,800,000 | €19,205 | 107.7% | 85 | 67 |
| Cascais e Estoril · 468101 | Active | €2,100,000 | €13,208 | 42.8% | 75 | 71 |
| Median comp | €5,450,000 | €16,439 | 77.8% | 81 | 70 |
Long-term rental This 4-bed penthouse in Cascais, with a gross yield of 3.2%, presents a strategic long-term rental opportunity due to its subvalorizada price compared to the fair value, indicating a gap of 31.2%. The suburban location near Lisbon offers a blend of accessibility to urban employment and general safety, making it appealing for families seeking stability in housing. Family rental Given its ample space of 292m² and good condition rating of 82/100, this property is well-suited for families, despite the neighborhood score of 61/100. The listed price being underpriced compared to its fair value supports the potential for steady rental income from a family demographic looking for both comfort and access to key amenities. Buy-and-hold This property serves as an investment ideal for a buy-and-hold strategy, particularly due to its fair value of €3,924,549, indicating a significant opportunity ahead with a 31.2% price gap. The suburban context aids in tenant retention and long-term appreciation, marking it as a strong candidate in the current market. Not ideal for The luxury market is not an appropriate focus for this property, given its location and the neighborhood’s overall score. Additionally, this penthouse does not suit short-term rentals or student housing markets, limiting its appeal primarily to long-term residential use.
Low Tenant Stability The tenant stability score of 50/100 indicates potential difficulties in maintaining consistent rental income due to higher turnover rates or unreliable tenants.
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