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 266 m², built in 2009. Located Santo Isidoro parish, Mafra municipality, Lisbon district. Noteworthy Features: The property includes a separate outdoor office annex and garden potential for a pool, enhancing its appeal for remote work and leisure activities.
The valuation. The asking price of €1,290,000 stands significantly above the fair value of €572,843, marking an overvaluation of €717,157 (55.6%). This property is not a suitable investment given its overpriced status in the current market.
Fair value modelled at €572,843 from the area baseline, adjusted for condition and location. Asking €1,290,000 sits €717,157 (55.6%) above — overpriced versus fair value.
Asking €1,290,000 versus the Santo Isidoro, Mafra, Lisbon area baseline of €526,946 (€1,981/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 83/100 (Condition 80 · Materials 85 · Room dimensions 85). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 56/100 (Housing Market 50 · Amenities 60 · Economic 45 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
Santo Isidoro, Mafra, Lisbon
Area baseline €526,946 + condition +€33,250 + location +€12,647 = modelled fair value of €572,843 (€2,154/m²), a €717,157 (55.6%) gap versus the €1,290,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Santo Isidoro · 2620ca | Subject | €1,290,000 | €4,850 | — | 80 | 56 |
| rua dos Lavadouros, 2 | Active | €750,000 | €4,310 | 11.1% | 85 | 53 |
| Ericeira · 0015c2 | Active | €609,500 | €4,146 | 14.5% | 75 | 53 |
| Santo Isidoro · cfe22f | Active | €1,300,000 | €3,988 | 17.8% | 84 | 58 |
| Ericeira · 001586 | Active | €609,500 | €3,503 | 27.8% | 73 | 55 |
| Median comp | €679,750 | €4,067 | 16.1% | 80 | 54 |
Long-term rental The property is overpriced at €1,290,000, significantly exceeding its fair value of €572,843, resulting in a 55.6% gap that limits its attractiveness for long-term rental. With a gross yield of only 2.1%, this investment is unlikely to generate satisfactory returns in a neighborhood rated only 56/100. Buy-and-hold As an overvalued property, this house does not align with a buy-and-hold strategy, given its substantial price differential of 55.6% compared to fair value. The limited local employment opportunities further reduce the likelihood of future price appreciation in this market. Family rental While the property could cater to families, its current pricing of €1,290,000 makes it overpriced against a fair value of €572,843, indicating an unattractive rental investment. Additionally, the moderate condition rating of 83/100 and neighborhood score of 56/100 do not support demand for family rentals at this price point.
Economic Vulnerability The property may face challenges due to its low economic stability score of 45/100, indicating potential fluctuations in market conditions that could affect its value and rental income.
