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, 3-bathroom duplex of 196 m², built in 2021, energy rating A. Located Ericeira parish, Mafra municipality, Lisbon district. This property features stunning sea views from the terrace and a versatile upper floor space that can be utilized as an office or additional bedroom.
The valuation. The asking price of €697,500 is significantly above the fair value of €417,195, resulting in an overpricing of €280,305 (40.2%). This discrepancy suggests the property is not a prudent investment opportunity.
Fair value modelled at €417,195 from the area baseline, adjusted for condition and location. Asking €697,500 sits €280,305 (40.2%) above — overpriced versus fair value.
Asking €697,500 versus the Ericeira, Mafra, Lisbon area baseline of €813,988 (€4,153/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 81/100 (Condition 79 · Materials 84 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 56/100 (Housing Market 50 · Amenities 55 · Economic 45 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
Ericeira, Mafra, Lisbon
Area baseline €813,988 + condition +€19,600 + location +€9,319 = modelled fair value of €417,195 (€2,129/m²), a €280,305 (40.2%) gap versus the €697,500 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Ericeira · f36370 | Subject | €697,500 | €3,559 | — | 79 | 56 |
| rua das Lombas, 8 | Active | €737,000 | €6,246 | 75.5% | 85 | 54 |
| Ericeira · ba3e05 | Active | €795,000 | €2,565 | 27.9% | 80 | 55 |
| rua da Liberdade | Active | €950,000 | €5,793 | 62.8% | 80 | 67 |
| Ericeira · ba5b71 | Active | €900,000 | €7,826 | 119.9% | — | 56 |
| Median comp | €847,500 | €6,020 | 69.2% | 80 | 56 |
Long-term rental The 4-bed duplex in Ericeira is currently overpriced, with a listing price that exceeds the fair value by 40.2%, suggesting that the potential for rental income does not justify the investment. The area's moderate access to amenities and employment opportunities further diminishes its attractiveness for long-term tenants, making this strategy less appealing. Family rental While the property could be suited for family rental, its current listing price of €697,500 is significantly above its fair value, indicating it may not attract budget-conscious families. Additionally, the neighbourhood's average tenant quality rating of 56/100 raises concerns about demand, suggesting that this investment strategy may yield disappointing results.
Economic Vulnerability The property faces potential instability due to a low economic stability score of 45/100, indicating a weak economic environment that may affect tenant retention and property value.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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