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.
5-bedroom, 3-bathroom duplex of 343 m², energy rating D. Located on viela Mato, 4, Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim parish, Sintra municipality, Lisbon district. Noteworthy Features: This duplex boasts a multifunctional room with an extraordinary ceiling height of 3.43 meters, enhancing its spaciousness and ensuring abundant natural light through integrated skylights.
The valuation. The asking price of €870,000 sits €157,827 (15.4%) below the fair value of €1,027,827, indicating that the property is currently underpriced. This presents a compelling opportunity for potential investors.
Fair value modelled at €1,027,827 from 6 comparable sales in the area. Asking €870,000 sits €157,827 (15.4%) below — the upside to fair value.
Asking €870,000 versus the viela Mato, 4 area baseline of €831,632 (€2,425/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 above the wider parish average — a hyper-local premium distinct from the parish baseline.
Base gap of €831,632, adjusted for condition and micro-location, gives a modelled fair value of €1,027,827 (€2,997/m²), a €157,827 (15.4%) gap versus the €870,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| viela Mato, 4 | Subject | €870,000 | €2,536 | — | 70 | 67 |
| rua Moinho do Zangão | Active | €759,000 | €2,919 | 15.1% | 60 | 76 |
| rua Moçambique, 321 | Active | €325,000 | €3,095 | 22.0% | 70 | 78 |
| rua Moinho do Zangão | Active | €659,000 | €3,415 | 34.6% | 72 | 71 |
| Algueirão-Mem Martins · 6c7976 | Active | €420,000 | €2,819 | 11.1% | 75 | 72 |
| Median comp | €539,500 | €3,007 | 18.6% | 71 | 74 |
Family rental With a fair value of €1,027,827 compared to the listing price of €870,000, this 5-bed duplex represents an opportunity for family rental that is below the market value, offering a 5% gross yield. Its location in a suburban area near Lisbon, characterized by good connectivity and safety, appeals to families looking for a spacious home. Long-term rental This property, listed at €870,000 but valued at €1,027,827, presents a substantial gap that favors long-term rental investments, coupled with a healthy 5% gross yield. The general residential nature of the area, alongside its amenities and decent tenant quality, makes it a solid choice for steady rental income. Buy-and-hold Given the fair value of €1,027,827 juxtaposed with the listing price of €870,000, this property, while also producing a 5% gross yield, can serve as a strong buy-and-hold investment to leverage future appreciation. Its location ensures consistent demand, benefiting from the area's proximity to Lisbon and typical safety features.
Tenant turnover risk Higher tenant turnover, suggested by a tenant stability score of 65/100, could lead to increased vacancy rates and additional costs associated with finding new tenants.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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