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.
9-bedroom, 7-bathroom house of 300 m², energy rating D. Located Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. This property features a versatile T1 annex suitable for independent accommodation, alongside a spacious outdoor area with two barbecues and a wood-fired oven for social gatherings.
The valuation. The asking price of €795,000 is significantly below the fair value of €1,087,499, representing a discount of €292,499 (36.8%). This presents an attractive opportunity for potential buyers.
Fair value modelled at €1,087,499 from the area baseline, adjusted for condition and location. Asking €795,000 sits €292,499 (36.8%) below — the upside to fair value.
Asking €795,000 versus the Algueirão-Mem Martins, Sintra, Lisbon area baseline of €1,030,200 (€3,434/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 71/100 (Condition 70 · Materials 75 · Room dimensions 70). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 68/100 (Housing Market 70 · Amenities 65 · Economic 72 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
Algueirão-Mem Martins, Sintra, Lisbon
Area baseline €1,030,200 + condition -€16,875 + location +€74,174 = modelled fair value of €1,087,499 (€3,625/m²), a €292,499 (36.8%) gap versus the €795,000 asking price.
Long-term rental The property offers a gross yield of 8.8%, which indicates strong potential for consistent cash flow. With a fair value of €1,087,499, acquiring the property at €795,000 allows for solid long-term financial growth. Family rental This 9-bedroom house, situated in a suburban area with a safety profile advantageous for families, represents an ideal setting for long-term family tenants. The substantial price gap from its fair value ensures that investment can capitalize on stability and demand for family housing. Buy-and-hold Investing in this property allows for capital appreciation given its fair value is 36.8% higher than the listing price. Its decent condition rated at 71/100 further supports a long-term hold strategy, leveraging the growing desirability of the Algueirão-Mem Martins area due to its proximity to Lisbon.
Economic Vulnerability The economic stability score of 72 indicates a moderate risk of economic fluctuations that could affect rental income, while the tenant stability score of 65 suggests potential issues with tenant retention, amplifying the financial uncertainty.
