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 €857,700 (€2,859/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 €857,700 + 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.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Algueirão-Mem Martins · dbd4fd | Subject | €795,000 | €2,650 | — | 70 | 68 |
| rua Maria Emília Fontes S / N | Active | €1,100,000 | €7,097 | 167.8% | 80 | 68 |
| Algueirão-Mem Martins · 6fbe09 | Active | €540,000 | €4,122 | 55.6% | 73 | 71 |
| praceta das Palmeira | Active | €3,400,000 | €3,505 | 32.3% | — | 72 |
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · 261ede | Active | €1,200,000 | €5,797 | 118.8% | 86 | 65 |
| Median comp | €1,150,000 | €4,960 | 87.2% | 80 | 70 |
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.
