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 country_house of 230 m², built in 2026, energy rating B. Located Santo Isidoro parish, Mafra municipality, Lisbon district. Unique Feature: The estate includes a private chapel, enhancing its historical significance and offering an exceptional space for intimate gatherings or personal reflection. Distinctive Character: The converted windmill provides a one-of-a-kind focal point within the property, bridging modern luxury with rural charm.
The valuation. The asking price of €1,950,000 is significantly above fair value, resulting in an overpriced status of €1,048,243 (116.2%). This property does not present a compelling financial investment based on current market conditions.
Fair value modelled at €901,757 from 6 comparable sales in the area. Asking €1,950,000 sits €1,048,243 (116.2%) above — overpriced versus fair value.
Asking €1,950,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €708,171 (€3,079/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 85/100 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 €708,171, adjusted for condition and micro-location, gives a modelled fair value of €901,757 (€3,921/m²), a €1,048,243 (116.2%) gap versus the €1,950,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 07fb62 | Subject | €1,950,000 | €8,478 | — | 93 | 59 |
| Santo Isidoro · 0239a9 | Active | €875,000 | €4,147 | 51.1% | 85 | 57 |
| Santo Isidoro · 2fceb3 | Active | €3,300,000 | €9,016 | 6.3% | 76 | 57 |
| rua Paulo Freire, 2 | Active | €665,000 | €3,694 | 56.4% | 80 | 65 |
| Santo Isidoro · 4b94ee | Active | €850,000 | €2,196 | 74.1% | 82 | 57 |
| Median comp | €862,500 | €3,921 | 53.8% | 81 | 57 |
Buy-and-hold The property in Santo Isidoro is overpriced by 116.2% compared to its fair value of €901,757, indicating a significant gap that makes it a poor long-term investment. With a low gross yield of 1.3%, the anticipated appreciation does not justify the current asking price, especially given the neighbourhood score of 59/100 and suburban characteristics that limit growth potential. Long-term rental Acquiring this property as a long-term rental comes with considerable risks due to its overpriced status and low yield; the projected income does not reflect the investment required. The neighbourhood's rating of 59/100 suggests limited tenant quality, further complicating the viability of this strategy at the current listing price of €1,950,000.
Economic and Tenant Risk The combined scores of 50/100 for economic stability and 45/100 for tenant stability suggest a substantial risk of fluctuating rental income and potential vacancy issues, indicating an unstable investment environment.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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