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, 6-bathroom apartment of 347 m², energy rating C. Located on rua de São Mamede, Santa Maria Maior parish, Lisbon municipality, Lisbon district. Noteworthy Features: This apartment's renovation has preserved exquisite historical frescoes and century-old tiles, creating a unique blend of contemporary luxury and rich cultural heritage in a prime location. Parking: Includes space for 2 vehicles.
The valuation. The asking price of €5,500,000 is significantly above fair value of €468,623, representing an excessive premium of €5,031,377 (91.5%). Verdict: overpriced.
Fair value modelled at €468,623 from the area baseline, adjusted for condition and location. Asking €5,500,000 sits €5,031,377 (91.5%) above — overpriced versus fair value.
Asking €5,500,000 versus the rua de São Mamede area baseline of €1,788,438 (€5,154/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 85/100 (Condition 87 · Materials 90 · Room dimensions 80). Above-median finish quality lifts fair value versus a baseline unit needing CapEx.
Neighbourhood score 85/100 (Housing Market 90 · Amenities 90 · Economic 90 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua de São Mamede
Area baseline €1,788,438 + condition +€43,375 + location +€52,223 = modelled fair value of €468,623 (€1,350/m²), a €5,031,377 (91.5%) gap versus the €5,500,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua de São Mamede | Subject | €5,500,000 | €15,850 | — | 87 | 85 |
| Santa Maria Maior · 02375f | Active | €3,180,000 | €10,000 | 36.9% | 76 | 78 |
| Santa Maria Maior · 0324fc | Active | €3,900,000 | €14,444 | 8.9% | 85 | 87 |
| Arroios · ba5701 | Active | €1,995,000 | €6,628 | 58.2% | 90 | 83 |
| Santo António · 49b6b9 | Active | €1,800,000 | €6,040 | 61.9% | 88 | 84 |
| Median comp | €2,587,500 | €8,314 | 47.5% | 87 | 84 |
Long-term rental The property, priced at €5,500,000, is significantly overpriced compared to its fair value of €468,623, resulting in a staggering 91.5% gap. With a gross yield of 0%, investing in a long-term rental strategy would not yield financial returns, making the property a poor choice for this approach. Short-term vacation rental Given the listing price far exceeds the fair value and a non-existent gross yield, this property is overpriced for a short-term vacation rental strategy. The prime Lisbon location may attract tourists, but the financials do not support a profitable investment in this segment. Buy-and-hold Although the property is situated in a desirable neighborhood with a solid score of 85/100, its €5,500,000 price tag shows it as overpriced against the fair value of €468,623. The lack of gross yield of 0% further indicates that a buy-and-hold strategy would not be financially viable for this asset.
Tenant turnover risk The tenant stability score of 75/100 indicates a moderate risk of tenant turnover, which could lead to potential vacancy periods and loss of rental income.
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