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 98 m² on the 1st floor, built in 1983, energy rating C. Located on avenida Biarritz, 173, Cascais e Estoril parish, Cascais municipality, Lisbon district. Noteworthy Features: This apartment includes a spacious storage room and a pantry, enhancing functional living space while maintaining a stylish and modern atmosphere.
The valuation. The asking price of €489,000 is €39,039 (8.0%) below the fair value of €528,039, indicating the property is subvalued and presents a significant investment opportunity for buyers. Buy-to-flip angle. A resale strategy could capitalize on the difference between the asking price and fair value, targeting buyers looking for high-quality finishes and appealing living spaces in the desirable Cascais area. Buy-to-let angle. With an estimated monthly rental income of €1,671, this property presents a gross yield of 4.1%, making it an attractive long-term rental option in a well-connected suburban location.
Fair value modelled at €528,039 from the area baseline, adjusted for condition and location. Asking €489,000 sits €39,039 (8.0%) below — the upside to fair value.
Asking €489,000 versus the avenida Biarritz, 173 area baseline of €468,146 (€4,777/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 77/100 (Condition 72 · Materials 80 · Room dimensions 78). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 71/100 (Housing Market 75 · Amenities 70 · Economic 70 · Tenant Quality 70). Strong amenities and housing-market momentum support a premium to baseline.
avenida Biarritz, 173
Area baseline €468,146 + condition +€2,297 + location +€40,740 = modelled fair value of €528,039 (€5,388/m²), a €39,039 (8.0%) gap versus the €489,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| avenida Biarritz, 173 | Subject | €489,000 | €4,990 | — | 72 | 71 |
| avenida Sabóia | Active | €770,000 | €5,461 | 9.4% | 73 | 74 |
| avenida Infante Dom Henrique | Active | €500,000 | €5,556 | 11.3% | 82 | 63 |
| rua do Cobre, 220 | Active | €580,000 | €5,800 | 16.2% | 80 | 62 |
| rua Doutor António Dias Pinheiro | Active | €890,000 | €7,807 | 56.5% | 76 | 76 |
| Median comp | €675,000 | €5,678 | 13.8% | 78 | 69 |
Long-term rental The property offers a solid 4.1% gross yield, making it an attractive option for long-term rental investors. Its 8.0% gap vs fair value suggests that this apartment is currently subvalued, providing a potential for greater returns in the near future. Family rental This apartment is suitable for family rentals given its spacious 98m² layout and decent neighborhood rating of 71/100. The proximity to Lisbon enhances its appeal to families seeking stability and convenient access to urban amenities, marking it as a viable investment opportunity. Buy-and-hold As the property is currently subvalued by 8.0% against the fair market value, it represents a strategic buy-and-hold investment. With a respectable condition score of 77/100, the property should appreciate over time, reinforcing its long-term potential in the Cascais e Estoril market.
Tenant turnover risk: With both economic stability and tenant stability scores at 70/100, there is a potential for increased tenant turnover that may affect consistent rental income.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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