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.
4-bedroom, 4-bathroom house of 480 m², built in 1997. Located on rua da Água, 6, Almargem do Bispo, Pero Pinheiro e Montelavar parish, Sintra municipality, Lisbon district. This property boasts a versatile basement space of 108 m² with natural light, ideal for transformation into a recreational area or self-contained apartment.
The valuation. The asking price of €759,500 is significantly below its fair value of €1,109,097, presenting a difference of €349,597 (46.0%). This property is clearly underpriced and offers an appealing investment opportunity. Buy-to-flip angle. The strong discrepancy between the asking price and fair value suggests potential for a profitable resale strategy following cosmetic updates and renovations. Investors can anticipate quick returns by leveraging the current market demand. Buy-to-let angle. With an estimated gross yield of 7.5% and a monthly rental income of approximately €4,747, this property is well-positioned for long-term rental strategies. Its desirable location near Lisbon helps ensure consistent tenant demand and stability.
Fair value modelled at €1,109,097 from the area baseline, adjusted for condition and location. Asking €759,500 sits €349,597 (46.0%) below — the upside to fair value.
Asking €759,500 versus the rua da Água, 6 area baseline of €1,030,080 (€2,146/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 73/100 (Condition 75 · Materials 70 · Room dimensions 72). Below-median condition lowers fair value versus a renovated baseline unit. Full condition report →
Neighbourhood score 73/100 (Housing Market 70 · Amenities 70 · Economic 75 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline. Full location report →
rua da Água, 6
Area baseline €1,030,080 + condition -€15,750 + location +€94,767 = modelled fair value of €1,109,097 (€2,311/m²), a €349,597 (46.0%) gap versus the €759,500 asking price.
Long-term rental The property presents a solid opportunity for long-term rental given its 7.5% gross yield and proximity to Lisbon, which supports a stable housing and employment market. With a fair value of €1,109,097 showing a significant gap of 46.0% from the listing price, this asset can generate positive cash flow and appreciation over time. Buy-and-hold Acquiring this 4-bed house allows for a strategic buy-and-hold investment, as it is currently priced below fair market value, ensuring potential for capital appreciation. The property’s favorable condition score of 73/100 and strong tenant quality in the area further enhance its long-term investment appeal. Family rental This property is ideally suited for family rental, given its spacious layout and favorable neighborhood ratings of 73/100. The advantageous pricing under fair value will attract stable, long-term tenants and ensure consistent rental income in the growing Sintra region.
Economic Risk The property may face economic challenges if the economic stability score of 75/100 indicates potential volatility in the local market, impacting rental income and property value.
