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.
5-bedroom, 3-bathroom duplex of 189 m², energy rating D. Located on rua das Romãzeiras, Cascais e Estoril parish, Cascais municipality, Lisbon district. Property Features: This duplex features an enclosed balcony accessible from all lower floor bedrooms, enhancing natural light and versatility throughout the year.
The valuation. The asking price of €729,000 is significantly below the fair value of €1,031,455, presenting an opportunity with a difference of €302,455 (41.5%). The property is therefore considered underpriced.
Fair value modelled at €1,031,455 from the area baseline, adjusted for condition and location. Asking €729,000 sits €302,455 (41.5%) below — the upside to fair value.
Asking €729,000 versus the rua das Romãzeiras area baseline of €902,853 (€4,777/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 (Condition 75 · Materials 80 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 73/100 (Housing Market 80 · Amenities 70 · Economic 70 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
rua das Romãzeiras
Area baseline €902,853 + condition +€10,041 + location +€86,053 = modelled fair value of €1,031,455 (€5,457/m²), a €302,455 (41.5%) gap versus the €729,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua das Romãzeiras | Subject | €729,000 | €3,857 | — | 75 | 73 |
| avenida Pádua | Active | €725,000 | €3,152 | 18.3% | 66 | 72 |
| avenida Infante D. Henrique | Active | €1,250,000 | €4,883 | 26.6% | 75 | 72 |
| Cascais e Estoril · 90daa3 | Active | €630,000 | €3,706 | 3.9% | 68 | 69 |
| rua Alto do Moinho Velho | Active | €800,000 | €4,278 | 10.9% | 77 | 70 |
| Median comp | €762,500 | €3,992 | 3.5% | 72 | 71 |
Long-term rental The property’s listing price of €729,000 presents a compelling opportunity given its fair value of €1,031,455, resulting in a 41.5% gap. With a gross yield of 5.4%, it promises steady cash flow in Cascais, complemented by its family-friendly environment. Family rental This 5-bed duplex, priced at €729,000, aligns well with the neighborhood's reputation for safety and community, making it ideal for families. The property’s gross yield of 5.4% adds attractive income potential while contributing to a strong long-term investment. Buy-and-hold Acquiring this duplex at €729,000 allows for significant appreciation potential, given the fair market value of €1,031,455. The property’s condition score of 78/100 and the stable economic environment of Cascais suggest it will maintain strong demand over time.
Economic-Tenant Instability Given the combined economic and tenant stability scores of 70/100, there is a moderate risk of fluctuating demand and potential vacancies impacting rental income.
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