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 house of 180 m², built in 2002, energy rating B. Located Carvoeira parish, Mafra municipality, Lisbon district. This property features a unique outdoor leisure area designed with traditional Portuguese cobblestones, complete with a barbecue, wood oven, and stone sink, perfect for hosting gatherings.
The valuation. The asking price of €800,000 is significantly above the fair value of €536,761, representing an overpricing of €263,239 (49.0%). This discrepancy indicates the property is not a sound investment opportunity based on current market conditions.
Fair value modelled at €536,761 from 5 comparable sales in the area. Asking €800,000 sits €263,239 (49.0%) above — overpriced versus fair value.
Asking €800,000 versus the Carvoeira, Mafra, Lisbon area baseline of €523,995 (€2,911/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 78/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price below the wider parish average — a hyper-local discount distinct from the parish baseline.
Base gap of €523,995, adjusted for condition and micro-location, gives a modelled fair value of €536,761 (€2,982/m²), a €263,239 (49.0%) gap versus the €800,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Carvoeira · 65308a | Subject | €800,000 | €4,444 | — | 75 | 57 |
| Ericeira · b7c1c9 | Active | €1,160,000 | €2,982 | 32.9% | 85 | 59 |
| Ericeira · fe6420 | Active | €665,000 | €3,037 | 31.7% | 76 | 59 |
| rua Joaquim Almeida Marrão | Active | €920,000 | €2,329 | 47.6% | 75 | 59 |
| Carvoeira · 6ebb61 | Active | €543,000 | €2,984 | 32.9% | 72 | 66 |
| Median comp | €792,500 | €2,983 | 32.9% | 76 | 59 |
Long-term rental The property in Carvoeira is currently overpriced by 49.0% compared to its fair value, making it a less attractive choice for long-term rental investment. With a gross yield of only 3.3%, it does not align with typical expectations for cash flow in rural markets with limited demand. Buy-and-hold Investing in this 4-bed house with a substantial valuation gap of 49.0% raises concerns over its price sustainability as a buy-and-hold asset. The neighborhood's low rating of 57/100 suggests that long-term appreciation potential is limited, warranting caution in considering this strategy.
Low Economic Growth Risk The property faces a significant risk due to an Economic Stability score of 45/100, indicating a weak local economy that may impact tenant demand and 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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