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 321 m². Located Santo Isidoro parish, Mafra municipality, Lisbon district. Noteworthy Features: This property boasts a fully equipped outdoor kitchen, enhancing the seamless integration of indoor and outdoor entertaining spaces, along with a well-maintained landscaped garden featuring synthetic grass.
The valuation. The asking price of €850,000 is significantly above the fair value of €683,800, reflecting an overpricing of €166,200 (19.6%). This indicates the property is not a viable investment at its current price point.
Fair value modelled at €683,800 from the area baseline, adjusted for condition and location. Asking €850,000 sits €166,200 (19.6%) above — overpriced versus fair value.
Asking €850,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €635,901 (€1,981/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 81/100 (Condition 80 · Materials 85 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 57/100 (Housing Market 55 · Amenities 50 · Economic 50 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
Santo Isidoro, Mafra, Lisbon
Area baseline €635,901 + condition +€30,094 + location +€17,805 = modelled fair value of €683,800 (€2,130/m²), a €166,200 (19.6%) gap versus the €850,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 4b9686 | Subject | €850,000 | €2,648 | — | 80 | 57 |
| Santo Isidoro · 49b8b6 | Active | €790,000 | €5,809 | 119.4% | 80 | 64 |
| rua Pinhal da Carrasqueira | Active | €739,000 | €4,452 | 68.1% | 75 | 61 |
| Ericeira · 1e6584 | Active | €749,000 | €1,395 | 47.3% | 70 | 62 |
| Santo Isidoro · f36590 | Active | €650,000 | €3,171 | 19.7% | 80 | 58 |
| Median comp | €744,000 | €3,812 | 43.9% | 78 | 62 |
Long-term rental The property in Santo Isidoro is overpriced by 19.6%, which diminishes the potential for a strong long-term rental yield given its gross yield of only 3.9%. With a neighborhood score of 57/100 and limited local economic opportunities, attracting reliable tenants may pose a challenge. Family rental While this 5-bed house could appeal to families, its current valuation at €850,000 is significantly above its fair value of €683,800, making it a less attractive option in the family rental market. The surrounding area, rated at 57/100 for neighborhood quality, suggests families might prefer locations offering better amenities and community engagement. Buy-and-hold Investing in this property as a buy-and-hold strategy is not advisable due to its 19.6% gap from fair value, indicating an overpriced position in the market. The property’s combined condition score of 81/100 and neighborhood rating of 57/100 signal that while it has decent conditions, the overall investment return could be compromised by its high entry price and suburban economic limitations.
Economic Vulnerability The economic stability score of 50/100 indicates a significant risk of fluctuations in the local market that could negatively impact property values and rental income.
