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, 1-bathroom apartment of 155 m², built in 2016, energy rating A. Located on rua Eiras, 12, Algueirão-Mem Martins parish, Sintra municipality, Lisbon district. Noteworthy Features: This apartment boasts a modern kitchen with high-quality appliances and a spacious living area that opens onto a private balcony, enhancing its appeal for entertaining.
The valuation. The asking price of €485,000 sits well below the fair value of €596,789, indicating an undervalued opportunity by €111,789 (23.0%). This property presents a compelling proposition for potential investors. Buy-to-flip angle. The resale strategy focuses on enhancing the property’s appeal through minor renovations to increase its marketability, with the aim of securing a quick flip after raising its value. Buy-to-let angle. With an estimated gross rental income of €1,374/month, the rental income strategy provides a gross yield of 3.4%, making it a solid candidate for a long-term buy-and-hold investment in a suburban setup.
Fair value modelled at €596,789 from the area baseline, adjusted for condition and location. Asking €485,000 sits €111,789 (23.0%) below — the upside to fair value.
Asking €485,000 versus the rua Eiras, 12 area baseline of €532,270 (€3,434/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 82/100 (Condition 80 · Materials 85 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 72/100 (Housing Market 75 · Amenities 65 · Economic 75 · Tenant Quality 74). Strong amenities and housing-market momentum support a premium to baseline.
rua Eiras, 12
Area baseline €532,270 + condition +€17,680 + location +€46,840 = modelled fair value of €596,789 (€3,850/m²), a €111,789 (23.0%) gap versus the €485,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua Eiras, 12 | Subject | €485,000 | €3,129 | — | 80 | 72 |
| estrada Marquês de Pombal, 1 | Active | €339,000 | €3,027 | 3.3% | 74 | 73 |
| avenida Chaby Pinheiro, 42 | Active | €410,000 | €2,887 | 7.7% | 74 | 68 |
| Algueirão-Mem Martins · 6d5237 | Active | €200,000 | €1,429 | 54.3% | 80 | 72 |
| rua Zambujal, 5 | Active | €390,000 | €2,955 | 5.6% | 74 | 70 |
| Median comp | €364,500 | €2,921 | 6.6% | 74 | 71 |
Long-term rental The property presents a gross yield of 3.4%, which aligns well with the local rental market trends while being just under the fair value of €596,789. Given the strong tenant quality and access to amenities, this investment is strategically positioned for stable cash flow over the long term. Family rental This 3-bedroom apartment in Algueirão-Mem Martins offers ample space for families, making it an appealing choice for long-term tenants looking for proximity to Lisbon. The neighborhood's lower crime rates and access to schools further enhance its desirability, solidifying its potential as a family rental. Buy-and-hold With a fair value gap of 23% below its market price, this property represents an attractive buy-and-hold opportunity amidst a gradually appreciating suburban market. Its quality of condition and neighborhood score suggest that holding onto the investment could yield substantial returns as demand increases over time.
Economic Impact Risk: With an economic stability score of 75, fluctuations in local economic conditions could negatively impact tenant demand and rental income.
