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, 5-bathroom house of 350 m², energy rating F. Located on rua do Olival, 11, Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim parish, Sintra municipality, Lisbon district. Noteworthy Features: This property boasts a large aviary-style birdcage with an adjacent pond, complemented by a beautifully landscaped garden featuring fruit trees and a centuries-old stone pine.
The valuation. The asking price of €920,000 sits €135,899 (14.8%) above the fair value of €784,101. This property is overpriced, making it a less attractive investment opportunity.
Fair value modelled at €784,101 from the area baseline, adjusted for condition and location. Asking €920,000 sits €135,899 (14.8%) above — overpriced versus fair value.
Asking €920,000 versus the rua do Olival, 11 area baseline of €1,084,300 (€3,098/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 67/100 (Condition 72 · Materials 75 · Room dimensions 63). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 75/100 (Housing Market 80 · Amenities 75 · Economic 70 · Tenant Quality 75). Strong amenities and housing-market momentum support a premium to baseline.
rua do Olival, 11
Area baseline €1,084,300 + condition -€42,109 + location +€75,110 = modelled fair value of €784,101 (€2,240/m²), a €135,899 (14.8%) gap versus the €920,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua do Olival, 11 | Subject | €920,000 | €2,629 | — | 72 | 75 |
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · 4a7e9d | Active | €4,850,000 | €10,778 | 310.0% | 80 | 71 |
| rua António dos Reis, 170 | Active | €749,900 | €4,716 | 79.4% | 59 | 74 |
| Santa Maria e São Miguel, São Martinho e São Pedro de Penaferrim · 6d5391 | Active | €568,000 | €1,939 | 26.3% | 65 | 70 |
| travessa Leão de Oliveira | Active | €830,000 | €3,860 | 46.9% | 76 | 68 |
| Median comp | €789,950 | €4,288 | 63.1% | 71 | 71 |
Long-term rental The property at €920,000 exceeds the fair value of €784,101, indicating that it is overpriced by 14.8%. With a gross yield of 5.2%, this investment may not provide optimal returns over the long term given the elevated entry price. Family rental Despite the property's proximity to suburban amenities in Greater Lisbon, the pricing of €920,000 is above the fair market value of €784,101, resulting in a 14.8% disparity. The estimated gross yield of 5.2% suggests that families seeking rentals may find better value elsewhere in the market. Buy-and-hold At a listing price of €920,000, the property is overpriced compared to its fair value of €784,101, creating a 14.8% gap that could hinder long-term appreciation. While the property shows potential with a 5.2% gross yield, the initial investment may not align with profitable buy-and-hold strategies due to its elevated price point.
Economic Fluctuation Risk The economic stability score of 70/100 indicates a moderate risk of economic downturns that could affect rental income stability.
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