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.
3-bedroom, 3-bathroom house of 313 m², built in 2021, energy rating A. Located Santo Isidoro parish, Mafra municipality, Lisbon district. Noteworthy features: This property includes a rooftop terrace with panoramic sea views and an enclosed terrace with a jacuzzi, enhancing outdoor leisure and relaxation opportunities.
The valuation. The asking price of €1,300,000 is significantly above the fair value of €679,159, resulting in an overvaluation of €620,841 (47.8%). This property is overpriced relative to market expectations.
Fair value modelled at €679,159 from the area baseline, adjusted for condition and location. Asking €1,300,000 sits €620,841 (47.8%) above — overpriced versus fair value.
Asking €1,300,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €1,039,786 (€3,322/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 75). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 62/100 (Housing Market 70 · Amenities 60 · Economic 60 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
Santo Isidoro, Mafra, Lisbon
Area baseline €1,039,786 + condition +€29,344 + location +€29,763 = modelled fair value of €679,159 (€2,170/m²), a €620,841 (47.8%) gap versus the €1,300,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · b7bf48 | Subject | €1,300,000 | €4,153 | — | 80 | 62 |
| Santo Isidoro · 0239a9 | Active | €875,000 | €4,147 | 0.2% | 85 | 57 |
| rua Paulo Freire | Active | €665,000 | €3,889 | 6.4% | 75 | 58 |
| Encarnação · ba5b83 | Active | €795,000 | €4,649 | 11.9% | — | 59 |
| Ericeira · 0239b7 | Active | €448,000 | €2,435 | 41.4% | 75 | 57 |
| Median comp | €730,000 | €4,018 | 3.3% | 75 | 58 |
Long-term rental The property is overpriced at €1,300,000 compared to the fair value of €679,159, leading to a significant gap of 47.8%. With a low gross yield of 2.1%, this investment strategy is unlikely to provide satisfactory returns over the long term. Family rental Given the high listing price, the property cannot be positioned as an attractive family rental option, particularly considering the neighbourhood's moderate characteristics. The 2.1% yield further indicates that this property is overpriced and less appealing for families seeking affordable housing solutions.
Economic downturn risk The economic stability score of 60/100 indicates a moderate risk of downturns that may affect rental income stability.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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