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, 6-bathroom house of 760 m², built in 2025, energy rating A. Located on avenida Condes de Barcelona S / N, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy Features: The property boasts an extraordinary double-height lobby and a fully equipped gym with an indoor pool, providing a luxurious and unique living experience in Estoril.
The valuation. The asking price of €4,800,000 is significantly above the fair value of €3,602,587, reflecting an excess of €1,197,413 or 24.9%. Based on this assessment, the property is overpriced. Buy-to-flip angle. A resale strategy could focus on completing renovations to enhance the home's value and appeal, targeting an increase in sale price through aesthetic upgrades. The goal would be to execute a quick flip if market conditions are favorable. Buy-to-let angle. With an estimated monthly rental income of €17,600, the gross yield stands at approximately 4.4%. This rental income strategy could provide consistent cash flow, capitalizing on the property’s location within the Lisbon metro area for family and long-term rental opportunities.
Fair value modelled at €3,602,587 from the area baseline, adjusted for condition and location. Asking €4,800,000 sits €1,197,413 (24.9%) above — overpriced versus fair value.
Asking €4,800,000 versus the avenida Condes de Barcelona S / N area baseline of €3,761,240 (€4,949/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 33/100 (Condition 28 · Materials 35 · Room dimensions 40). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 73/100 (Housing Market 75 · Amenities 70 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
avenida Condes de Barcelona S / N
Area baseline €3,761,240 + condition -€504,688 + location +€346,034 = modelled fair value of €3,602,587 (€4,740/m²), a €1,197,413 (24.9%) gap versus the €4,800,000 asking price.
Long-term rental This property, listed at €4,800,000, is overpriced compared to its fair value of €3,602,587, representing a gap of 24.9%. The gross yield of 4.4% seems inadequate, particularly given the home's condition rating of only 33/100, suggesting ongoing maintenance costs could further diminish profitability. Family rental At a listing price of €4,800,000, the property surpasses its fair value by 24.9%, indicating a significant overvaluation. With a neighbourhood rating of 73/100 and a low condition score of 33/100, potential family tenants may be deterred by the high price coupled with necessary repairs and maintenance needs. Buy-and-hold Investing in this property at €4,800,000, which is overpriced by 24.9% against its fair value of €3,602,587, poses a considerable risk to long-term returns. The combination of a low gross yield of 4.4% and a needing significant repairs due to its 33/100 condition raises concerns about achieving satisfactory rental income over time.
Economic Vulnerability The economic stability score of 70/100 indicates a moderate risk of economic downturn which could affect tenant retention and rental income.
