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.
3-bedroom, 2-bathroom penthouse of 145 m², built in 2004, energy rating B. Located Cascais e Estoril parish, Cascais municipality, Lisbon district. This penthouse features unobstructed views of the surrounding area, enhancing the sense of space and well-being while ensuring excellent natural light throughout the day.
The valuation. The asking price of €598,000 is significantly below the fair value of €780,526, presenting a difference of €182,526 (30.5%). This property is clearly underpriced in today's market. Buy-to-flip angle. A buy-to-flip strategy could capitalize on the substantial equity available, focusing on minor cosmetic upgrades to boost resale potential in a suburban market with increasing demand. Buy-to-let angle. With an estimated gross yield of 4.6%, the property offers approximately €2,292 per month in rental income, making it an attractive option for long-term family rentals in a sought-after area near Lisbon.
Fair value modelled at €780,526 from the area baseline, adjusted for condition and location. Asking €598,000 sits €182,526 (30.5%) below — the upside to fair value.
Asking €598,000 versus the Cascais e Estoril, Cascais, Lisbon area baseline of €718,620 (€4,956/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 79/100 (Condition 75 · Materials 80 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 69/100 (Housing Market 70 · Amenities 65 · Economic 75 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
Cascais e Estoril, Cascais, Lisbon
Area baseline €718,620 + condition +€8,383 + location +€54,538 = modelled fair value of €780,526 (€5,383/m²), a €182,526 (30.5%) gap versus the €598,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Cascais e Estoril · ac9823 | Subject | €598,000 | €4,124 | — | 75 | 69 |
| travessa Outeiro da Vela, 43 | Active | €475,000 | €4,847 | 17.5% | 85 | 70 |
| avenida Comunidades Europeias S / N | Active | €795,000 | €4,229 | 2.5% | 75 | 70 |
| Cascais e Estoril · 9569be | Active | €795,000 | €4,184 | 1.5% | 75 | 71 |
| rua da Castelhana | Active | €935,000 | €4,212 | 2.1% | 78 | 71 |
| Median comp | €795,000 | €4,221 | 2.3% | 77 | 71 |
Long-term rental With a fair value of €780,526, the penthouse is currently listed at €598,000, reflecting a notable 30.5% gap which suggests this property is subpriced in the competitive Cascais market. The yield of 4.6% gross is attractive for long-term investors looking for a stable return in a family-friendly neighborhood with access to Lisbon's economic opportunities. Family rental Considering the property’s proximity to Lisbon and its family-friendly attributes, the penthouse stands out as an advantageous investment for family rentals. Its good condition rating of 79/100, combined with the 30.5% gap to fair value, positions this asset well to appeal to long-term family tenants seeking comfortable living space in a low-crime area. Buy-and-hold This penthouse, listed significantly below its fair value, represents a strong buy-and-hold opportunity in Cascais e Estoril. With solid neighborhood ratings and a favorable economic outlook, investors can anticipate capital appreciation while benefiting from consistent rental income over time.
Economic Fragility The property faces a risk due to the economic stability score of 75/100, indicating potential vulnerability to economic downturns.Tenant Instability With a tenant stability score of 65/100, there is an increased likelihood of tenant turnover, adversely affecting rental income.
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