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.
2-bedroom, 1-bathroom apartment of 115 m², built in 1997, energy rating C. Located on rua Maria Helena Vieira da Silva, 17, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. Noteworthy Features: This apartment's living room features a cozy fireplace and offers breathtaking unobstructed views of the Sintra mountains, adding a unique charm to the space.
The valuation. The asking price of €289,950 is significantly below the fair value of €417,661, representing an undervaluation of €127,711 (44.0%). This offers a strategic entry point for investors seeking value. Buy-to-flip angle. The potential resale strategy will capitalize on the apartment's attractive location and quality kitchen and living space features, targeting a quick flip at a higher market price once minor updates are completed. Buy-to-let angle. With an estimated gross yield of 4.2%, generating approximately €1,015/month, the property appeals to long-term renters, particularly families attracted to suburban Lisbon's economic opportunities.
Fair value modelled at €417,661 from the area baseline, adjusted for condition and location. Asking €289,950 sits €127,711 (44.0%) below — the upside to fair value.
Asking €289,950 versus the rua Maria Helena Vieira da Silva, 17 area baseline of €333,385 (€2,899/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 69/100 (Condition 70 · Materials 75 · Room dimensions 68). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 71/100 (Housing Market 75 · Amenities 65 · Economic 80 · Tenant Quality 65). Strong amenities and housing-market momentum support a premium to baseline.
rua Maria Helena Vieira da Silva, 17
Area baseline €333,385 + condition -€10,422 + location +€33,172 = modelled fair value of €417,661 (€3,632/m²), a €127,711 (44.0%) gap versus the €289,950 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Maria Helena Vieira da Silva, 17 | Subject | €289,950 | €2,521 | — | 70 | 71 |
| rua Rui Grácio, 11 | Active | €315,700 | €2,794 | 10.8% | 75 | 71 |
| rua Capitão Salgueiro Maia | Active | €295,000 | €3,010 | 19.4% | 68 | 72 |
| Algueirão-Mem Martins · 95705f | Active | €295,000 | €3,105 | 23.2% | 65 | 71 |
| rua Capitão Salgueiro Maia | Active | €295,000 | €3,041 | 20.6% | 66 | 68 |
| Median comp | €295,000 | €3,026 | 20.0% | 67 | 71 |
Long-term rental The property in Algueirão-Mem Martins is well-positioned for long-term rental, given its fair value of €417,661 compared to the listing price of €289,950, indicating a substantial potential for rental income. The 4.2% gross yield combined with favorable neighborhood conditions makes it a strong candidate for consistent cash flow. Family rental This 2-bed apartment serves as an ideal family rental, as the location's suburban charm and amenities support family living needs while also presenting a significant value gap of 44.0%. The property's condition rating of 69/100 further indicates that it is suitable for families seeking comfortable living accommodations. Buy-and-hold As a buy-and-hold investment, the apartment's substantial valuation gap suggests that holding the property will likely lead to appreciation, benefiting from the economic opportunities that suburban Lisbon provides. The favorable neighborhood rating enhances its potential for long-term capital gains and stability in rental income. Not ideal for short-term vacation rental Given the property’s characteristics and neighborhood dynamics, it is not well-suited for short-term vacation rentals, as the demand in this suburban area may not support such a pricing model effectively. The yield potential may not meet the thresholds typically required for a successful short-term investment strategy. Not ideal for luxury market The apartment’s specifications and overall neighborhood ambiance do not align with the luxury market's expectations, making it less likely to appeal to high-end buyers or renters. The current condition rating also supports that luxury enhancements might not yield a favorable return. Not ideal for student housing Due to the suburban location and family-oriented amenities, the property is not particularly attractive for student housing, which often demands proximity to universities and vibrant lifestyles. Additionally, the tenant quality in the area does not align with typical student housing needs, limiting its appeal.
Tenant turnover risk The tenant stability score of 65/100 indicates a moderate risk of tenant turnover, which could lead to increased vacancy rates and reduced rental income.
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