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.
4-bedroom, 4-bathroom house of 240 m². Located Santo Isidoro parish, Mafra municipality, Lisbon district. Noteworthy Features: The property includes a spacious -1 floor with an entertaining bar and a versatile garage, while the outdoor space offers a heated pool and fruit trees.
The valuation. The asking price of €949,900 is significantly above the fair value of €585,643, representing an overvaluation of €364,257 (62.2%). This property does not offer a favorable investment opportunity based on current market metrics.
Fair value modelled at €585,643 from 6 comparable sales in the area. Asking €949,900 sits €364,257 (62.2%) above — overpriced versus fair value.
Asking €949,900 versus the Santo Isidoro, Mafra, Lisbon area baseline of €705,460 (€2,939/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 82/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price below the wider parish average — a hyper-local discount distinct from the parish baseline.
Base gap of €705,460, adjusted for condition and micro-location, gives a modelled fair value of €585,643 (€2,440/m²), a €364,257 (62.2%) gap versus the €949,900 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 3a7303 | Subject | €949,900 | €3,958 | — | 78 | 58 |
| Santo Isidoro · 49b8b6 | Active | €790,000 | €5,809 | 46.8% | 80 | 64 |
| Santo Isidoro · b32ade | Active | €710,000 | €1,978 | 50.0% | 72 | 59 |
| Mafra · 8ee4fa | Active | €1,100,000 | €2,254 | 43.0% | 82 | 63 |
| Freiria · de0c3d | Active | €500,000 | €1,344 | 66.0% | 70 | 56 |
| Median comp | €750,000 | €2,116 | 46.5% | 76 | 61 |
Long-term rental The property's gross yield of 3.1% is relatively low, indicating that it may not provide optimal cash flow for long-term rental investors. Given the significant 62.2% gap from fair value, this property does not represent a wise long-term rental investment. Buy-and-hold While holding properties can be beneficial in appreciating markets, the current listing price is significantly above fair value, which implies a lack of immediate equity. The economic reliance on commuting to Lisbon suggests limited potential for local appreciation, further diminishing the attractiveness of a buy-and-hold strategy. Value-add renovation Investing in value-add renovations could increase property value, but with the current listing price being 62.2% higher than fair value, the required returns from such improvements may not be achievable. Additionally, the property's moderate condition rating of 82/100 suggests there are repairs needed, but excessive costs could hinder any potential upside. Not ideal for: The property's characteristics and location make it unsuitable for short-term rental, luxury market, and student housing investments.
Tenant turnover risk With a tenant stability score of 60/100, there is a moderate risk of tenant turnover which could lead to increased vacancy rates and associated costs.
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