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, 4-bathroom house of 215 m², built in 2019, energy rating C. Located on rua Miguel Arruda S / N, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. The property features a stylish kitchen with Orinoco granite countertops that extend into the outdoor support pantry, seamlessly connecting indoor luxury to outdoor functionality.
The valuation. The asking price of €680,000 sits below the fair value of €815,711, reflecting a notable discount of €135,711 (20.0%). This presents an opportunity to acquire a property that is clearly undervalued and potentially offers a strong return on investment.
Fair value modelled at €815,711 from the area baseline, adjusted for condition and location. Asking €680,000 sits €135,711 (20.0%) below — the upside to fair value.
Asking €680,000 versus the rua Miguel Arruda S / N area baseline of €623,285 (€2,899/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 79/100 (Condition 75 · Materials 80 · Room dimensions 79). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 72/100 (Housing Market 70 · Amenities 70 · Economic 75 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua Miguel Arruda S / N
Area baseline €623,285 + condition +€12,430 + location +€64,971 = modelled fair value of €815,711 (€3,794/m²), a €135,711 (20.0%) gap versus the €680,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Miguel Arruda S / N | Subject | €680,000 | €3,163 | — | 75 | 72 |
| Agualva e Mira-Sintra · dee423 | Active | €439,000 | €1,756 | 44.5% | 68 | 76 |
| Algueirão-Mem Martins · 957087 | Active | €540,000 | €4,122 | 30.3% | 75 | 72 |
| rua Alves de Sá S / N | Active | €619,000 | €3,364 | 6.4% | 72 | 68 |
| Algueirão-Mem Martins · 6fbe09 | Active | €540,000 | €4,122 | 30.3% | 73 | 71 |
| Median comp | €540,000 | €3,743 | 18.3% | 73 | 72 |
Long-term rental\nWith a fair value of €815,711, this property is currently listed at €680,000, presenting a gap of 20.0%, indicating it is subvalued in the long-term rental market. The proximity to the Lisbon metropolitan area and a safe suburban environment enhance its appeal to potential long-term tenants, supporting a stable rental yield of 3%.\n\nFamily rental\nGiven its credible condition score of 79/100 and neighborhood rating of 72/100, this property is well-suited for family rentals, benefiting from its spacious 3-bedroom layout. Additionally, the 20.0% gap below fair value makes it an attractive investment for families seeking long-term stability in a desirable location.\n\nBuy-and-hold\nThe substantial 20.0% fair value gap signals a strong potential for appreciation, making this property a prime candidate for a buy-and-hold investment strategy. Its favorable economic conditions and family-oriented neighborhood attribute provide a solid foundation for long-term growth in value.
Economic Dependency Risk The economic stability score of 75 suggests a moderate risk of economic downturns potentially impacting tenant retention and rental income sustainability, with the potential for fluctuations in revenue if economic conditions worsen.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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