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 penthouse of 256 m², energy rating D. Located on avenida Infante D. Henrique, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy Feature: The penthouse includes a private jacuzzi, enhancing the luxurious lifestyle and providing a perfect spot for relaxation amid the vibrant Cascais atmosphere.
The valuation. The asking price of €1,250,000 is approximately 11.3% below the fair value of €1,391,235, indicating a solid opportunity for potential investors looking for underpriced assets in a desirable market. Buy-to-flip angle. With a gross yield of 5.1%, the penthouse can be improved and resold for a substantial profit, capitalizing on the high demand for quality properties in Cascais and Estoril. Buy-to-let angle. Aimed at long-term rental and family occupancy, the estimated monthly income of €5,312 offers a secure cash flow, making it an attractive buy-and-hold investment in a stable suburban environment.
Fair value modelled at €1,391,235 from the area baseline, adjusted for condition and location. Asking €1,250,000 sits €141,235 (11.3%) below — the upside to fair value.
Asking €1,250,000 versus the avenida Infante D. Henrique area baseline of €1,222,912 (€4,777/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 (Condition 75 · Materials 82 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 72/100 (Housing Market 75 · Amenities 70 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
avenida Infante D. Henrique
Area baseline €1,222,912 + condition +€12,800 + location +€111,491 = modelled fair value of €1,391,235 (€5,435/m²), a €141,235 (11.3%) gap versus the €1,250,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| avenida Infante D. Henrique | Subject | €1,250,000 | €4,883 | — | 75 | 72 |
| avenida Pádua | Active | €725,000 | €3,152 | 35.4% | 66 | 72 |
| jardim da Lomba | Active | €740,000 | €3,217 | 34.1% | 74 | 75 |
| rua Particular | Active | €487,000 | €3,504 | 28.2% | 72 | 73 |
| Cascais e Estoril · 73569d | Active | €825,000 | €4,853 | 0.6% | 75 | 66 |
| Median comp | €732,500 | €3,361 | 31.2% | 73 | 73 |
Long-term rental The 4-bed penthouse in Cascais e Estoril is poised to attract tenants seeking spacious living in proximity to Lisbon, ensuring a robust rental demand. With a gross yield of 5.1%, this property offers a viable investment opportunity compared to its fair value of €1,391,235, highlighting a promising 11.3% gap. Family rental Given its excellent school access and low crime rates in the area, this penthouse is well-suited for families aiming for a quality neighborhood. The property’s size and market gap suggest it can provide a stable family rental income, making it a sound choice for long-term holding. Buy-and-hold Investing in this penthouse represents a strategic entry into the Cascais real estate market, characterized by strong housing demand due to its proximity to Lisbon. The property’s fair value assessment at €1,391,235, coupled with a current listing price reflecting an 11.3% discount, indicates its potential for appreciable value growth over time.
Economic Vulnerability The economic stability score of 70 indicates potential fluctuations in income and employment, which may impact tenant retention and rental income sustainability.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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