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 75 m² on the 1st floor, built in 1991, energy rating D. Located on rua Professor Agostinho da Silva, 23, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. This apartment features a closed balcony with views of the Pena Palace, enhancing its potential for outdoor enjoyment despite its current state of disrepair.
The valuation. The asking price of €275,000 is €19,210 (7.5%) above the fair value of €255,790, indicating that the property sits at a fair price when considering current market conditions. Buy-to-flip angle. With mid-range materials and a condition score of 57, a cosmetic renovation could enhance value, potentially enabling resale to target buyers at a higher price. Buy-to-let angle. Estimated rental income of €871/month yields approximately 3.8%, making this property attractive for long-term rental in a commuter-friendly area, ideal for families.
Fair value modelled at €255,790 from 6 comparable sales in the area. Asking €275,000 sits €19,210 (7.5%) above — overpriced versus fair value.
Asking €275,000 versus the rua Professor Agostinho da Silva, 23 area baseline of €245,118 (€3,268/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 57/100 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 €245,118, adjusted for condition and micro-location, gives a modelled fair value of €255,790 (€3,411/m²), a €19,210 (7.5%) gap versus the €275,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Professor Agostinho da Silva, 23 | Subject | €275,000 | €3,667 | — | 53 | 68 |
| Rio de Mouro · ba5bac | Active | €260,000 | €3,250 | 11.4% | — | 71 |
| avenida João de Deus | Active | €260,000 | €3,377 | 7.9% | 52 | 70 |
| Rio de Mouro · dee49c | Active | €285,000 | €3,800 | 3.6% | 65 | 70 |
| Algueirão-Mem Martins · 86cb20 | Active | €248,000 | €3,444 | 6.1% | — | 76 |
| Median comp | €260,000 | €3,411 | 7.0% | 59 | 71 |
Long-term rental The 2-bed apartment in Algueirão-Mem Martins presents a fair value scenario, with a listing price of €275,000 compared to a fair value of €255,790, resulting in a minor 7.5% gap. A gross yield of 3.8% indicates a stable income potential, though it may not be significantly advantageous in terms of immediate cash flow. Family rental This apartment offers an acceptable option for family rentals in a commuter area to Lisbon, catering to tenants looking for suburban amenities while maintaining proximity to the city. However, its average neighborhood score of 68/100 suggests some limitations in attracting higher-quality tenants seeking premium living conditions. Buy-and-hold Investing in this property as a buy-and-hold strategy is reasonable, given its fair valuation and potential for value appreciation over time in a growing commuter area. While the current condition rating of 57/100 indicates areas for improvement, the overall market conditions align sensibly for long-term investment stability.
Economic and Tenant Stability Risk With both Economic stability and Tenant stability scores at 65/100, the property may experience inconsistent rental income and potential fluctuations in tenant retention, increasing the investment risk.
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