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, 4-bathroom house of 387 m², energy rating B. Located Santo Isidoro parish, Mafra municipality, Lisbon district. Noteworthy Features: The property includes a sophisticated outdoor kitchen and dining area, perfectly designed for seamless entertaining by the pool. Location Advantages: Quiet residential area near public transport and only 2.5 km from the beaches.
The valuation. The asking price of €850,000 is €13,512 (1.6%) above the fair value of €836,488, indicating that the property is overpriced. This slight premium might deter potential buyers looking for fair market opportunities.
Fair value modelled at €836,488 from the area baseline, adjusted for condition and location. Asking €850,000 sits €13,512 (1.6%) above — overpriced versus fair value.
Asking €850,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €1,285,614 (€3,322/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 84/100 (Condition 82 · Materials 85 · Room dimensions 82). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 57/100 (Housing Market 60 · Amenities 50 · Economic 55 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
Santo Isidoro, Mafra, Lisbon
Area baseline €1,285,614 + condition +€48,375 + location +€21,466 = modelled fair value of €836,488 (€2,161/m²), a €13,512 (1.6%) gap versus the €850,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 4b94ee | Subject | €850,000 | €2,196 | — | 82 | 57 |
| rua da Amoreira, 4 | Active | €850,000 | €1,670 | 24.0% | 75 | 48 |
| Santo Isidoro · 0239a9 | Active | €875,000 | €4,147 | 88.8% | 85 | 57 |
| rua Domingos José Ferreira | Active | €790,000 | €2,358 | 7.4% | 83 | 57 |
| rua Paulo Freire | Active | €665,000 | €3,889 | 77.1% | 75 | 58 |
| Median comp | €820,000 | €3,124 | 42.2% | 79 | 57 |
Long-term rental The property is overpriced by 1.6%, making it a less favorable option for long-term rental investors seeking value. With a modest gross yield of 3.8% and a neighbourhood score of 57/100, potential returns may be hampered as demand could be limited in this rural area. Buy-and-hold Given that the property is valued at 1.6% above its fair market value, the buy-and-hold strategy may not yield expected returns. The combination of a decent condition score of 84/100 and a lackluster neighbourhood rating suggests that long-term appreciation may stagnate. Family rental While the property potentially suits the family rental market, its 1.6% overpricing raises concerns about rental competitiveness. Additionally, the neighbourhood's low score of 57/100 indicates potential challenges in attracting families looking for desirable local amenities and employment opportunities.
Economic Vulnerability The property has a low economic stability score of 55/100, indicating potential susceptibility to economic downturns that could affect rental income and property value.
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