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 penthouse of 300 m², built in 2005, energy rating A. Located Mafra parish, Mafra municipality, Lisbon district. Noteworthy Features: This penthouse includes an attic/studio apartment with a private bathroom, enhancing flexibility for guests or workspace, along with two designated parking spaces for added convenience.
The valuation. The asking price of €597,500 is significantly below the fair value of €860,568, indicating an undervalued opportunity of €263,068 (30.6%). Buy-to-flip angle. This penthouse can be strategically renovated and resold, aiming for a higher price in a rising market before the rental potential is fully realized. Buy-to-let angle. With a 0% gross yield currently, the property could attract long-term family tenants, leveraging its upgraded features and location proximity to Lisbon to enhance rental income.
Fair value modelled at €860,568 from 6 comparable sales in the area. Asking €597,500 sits €263,068 (30.6%) below — the upside to fair value.
Asking €597,500 versus the Mafra, Mafra, Lisbon area baseline of €888,950 (€2,963/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 72/100 is below the parish average, reducing 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 €888,950, adjusted for condition and micro-location, gives a modelled fair value of €860,568 (€2,869/m²), a €263,068 (30.6%) gap versus the €597,500 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Mafra · 07fc6d | Subject | €597,500 | €1,992 | — | 68 | 69 |
| rua Doutor Sabino Galrão S / N | Active | €498,000 | €2,677 | 34.4% | 72 | 63 |
| Mafra · ee8955 | Active | €410,000 | €3,060 | 53.6% | 75 | 60 |
| rua João Tiburcio Teixeira, 16 | Active | €499,000 | €3,199 | 60.6% | 78 | 59 |
| Mafra · 4a4284 | Active | €420,000 | €3,111 | 56.2% | 80 | 55 |
| Median comp | €459,000 | €3,086 | 54.9% | 77 | 60 |
Long-term rental This property presents a significant opportunity for long-term rental investment as it is currently subvalued at €597,500 compared to a fair value of €860,568, demonstrating a gap of 30.6%. With a condition score of 72 and a strong proximity to Lisbon, it offers a desirable option for tenants seeking quality living space. Family rental The penthouse's spacious layout of 300m² is ideal for family living, making it an attractive long-term rental option in a market that is currently underpriced at €597,500 relative to its fair value of €860,568. The neighbourhood scores, although moderate, provide a decent environment for families, further supporting its viability as a family rental. Buy-and-hold This property serves as a strategic buy-and-hold investment given its current pricing at €597,500, significantly below the estimated fair value of €860,568, presenting a 30.6% upside potential. The solid proximity to Lisbon enhances its long-term appreciation prospects, solidifying its position as a favorable buy-and-hold asset.
Economic Downturn Risk The property has a moderate economic stability score of 75, which may expose it to potential financial downturns impacting rental income, especially with a tenant stability score of only 65 indicating higher tenant turnover.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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