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 duplex of 175 m², built in 1986, energy rating C. Located on rua da Piedade S / N, Algés, Linda-a-Velha e Cruz Quebrada-Dafundo parish, Oeiras municipality, Lisbon district. This duplex boasts a serene sea view and a recently renovated open plan design, enhancing both natural light and the modern living experience.
The valuation. The asking price of €780,000 sits €111,301 (14.3%) below the fair value of €891,301, indicating that this property is subpriced and presents a unique opportunity for savvy investors. Buy-to-flip angle. The resale strategy leverages the duplex's above-average condition and desirable location for a quick overhaul aimed at an attractive resale market in the growing Algés area. Buy-to-let angle. With an estimated gross yield of 3.8%, the rental income strategy targets long-term family tenants, capitalizing on the property’s proximity to Lisbon and its suburban appeal to secure stable monthly income around €2,470.
Fair value modelled at €891,301 from the area baseline, adjusted for condition and location. Asking €780,000 sits €111,301 (14.3%) below — the upside to fair value.
Asking €780,000 versus the rua da Piedade S / N area baseline of €801,325 (€4,579/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 79/100 (Condition 76 · Materials 81 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 75/100 (Housing Market 80 · Amenities 70 · Economic 85 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua da Piedade S / N
Area baseline €801,325 + condition +€9,844 + location +€80,133 = modelled fair value of €891,301 (€5,093/m²), a €111,301 (14.3%) gap versus the €780,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua da Piedade S / N | Subject | €780,000 | €4,457 | — | 76 | 75 |
| praça João de Deus | Active | €520,000 | €4,127 | 7.4% | 74 | 75 |
| praceta Gomes Leal, 2 | Active | €580,000 | €4,531 | 1.7% | 76 | 74 |
| Carnaxide e Queijas · 25f484 | Active | €515,000 | €3,872 | 13.1% | 75 | 77 |
| Algés, Linda-a-Velha e Cruz Quebrada-Dafundo · 937620 | Active | €445,000 | €4,120 | 7.6% | 76 | 72 |
| Median comp | €517,500 | €4,124 | 7.5% | 76 | 75 |
Long-term rental The 3-bed duplex in Algés offers potential for consistent long-term rental income, with a fair value approximately 14.3% above the listing price, clearly illustrating its underpriced status. Given the area’s proximity to Lisbon and solid housing demand, this investment is likely to attract stable tenants seeking suburban comfort. Buy-and-hold Investing in this property as a buy-and-hold strategy could yield significant long-term appreciation, as it currently presents a fair value premium of 14.3% over the asking price. The desirable location benefits from low crime rates and strong local amenities, enhancing the potential for value appreciation over time. Family rental This duplex is ideally suited for family rentals, with its spacious layout and favorable neighborhood conditions contributing to its appeal. With a fair value substantially exceeding the current listing price, this property is well-positioned to attract quality tenants looking for a family-friendly environment near Lisbon.
Economic Vulnerability The property could be exposed to market fluctuations due to its economic stability score of 85/100, which, while good, indicates potential vulnerability during economic downturns.
