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 366 m², energy rating A. Located Santo Isidoro parish, Mafra municipality, Lisbon district. The property features an integrated bar and kitchenette in the lounge, perfect for entertaining, while the versatile attic space offers potential for a home office or studio.
The valuation. The asking price of €3,300,000 sits significantly above fair value, estimated at €1,434,970, representing a 130.0% increase. Verdict: overpriced.
Fair value modelled at €1,434,970 from 6 comparable sales in the area. Asking €3,300,000 sits €1,865,030 (130.0%) above — overpriced versus fair value.
Asking €3,300,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €1,346,393 (€3,679/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 80/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price above the wider parish average — a hyper-local premium distinct from the parish baseline.
Base gap of €1,346,393, adjusted for condition and micro-location, gives a modelled fair value of €1,434,970 (€3,921/m²), a €1,865,030 (130.0%) gap versus the €3,300,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 2fceb3 | Subject | €3,300,000 | €9,016 | — | 76 | 57 |
| Santo Isidoro · 0239a9 | Active | €875,000 | €4,147 | 54.0% | 85 | 57 |
| rua da Fontainha | Active | €1,500,000 | €6,073 | 32.6% | 85 | 58 |
| Ericeira · 5da243 | Active | €1,900,000 | €7,631 | 15.4% | — | 60 |
| rua Paulo Freire, 2 | Active | €665,000 | €3,694 | 59.0% | 80 | 65 |
| Median comp | €1,187,500 | €5,110 | 43.3% | 85 | 59 |
Long-term rental This property, listed at €3,300,000, significantly exceeds its fair value of €1,434,970, presenting a gap of 130.0%, which indicates it is overpriced for the long-term rental market. With a gross yield of 0% and a neighborhood rating of 57/100, the potential for tenant attraction and rental income appears limited, making it a less favorable investment. Buy-and-hold The property’s substantial pricing at €3,300,000 compared to a fair value of €1,434,970 suggests that it is overpriced for buy-and-hold strategies, creating a concerning 130.0% discrepancy. Coupled with an 80/100 condition rating but a lower neighborhood rating of 57/100, the long-term appreciation potential seems inadequate relative to the investment required.
Tenant turnover risk With a tenant stability score of 60/100, there is a moderate risk of high tenant turnover, potentially leading to increased vacancy rates and associated costs.
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