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 penthouse of 351 m², built in 2019, energy rating A. Located on rua da Murtinheira, 5, Carvoeira parish, Mafra municipality, Lisbon district. Noteworthy Features: The penthouse includes two private terraces for panoramic views and an independent master suite wing, ensuring both privacy and luxury living. Condition Notes: Exceptional maintenance and high-quality contemporary finishes create a 'like-new' atmosphere throughout the property.
The valuation. The asking price of €960,000 is significantly below the fair value of €1,225,946, showing a difference of €265,946 (21.7%). This presents an opportunity as the property is underpriced within its current market.
Fair value modelled at €1,225,946 from 6 comparable sales in the area. Asking €960,000 sits €265,946 (21.7%) below — the upside to fair value.
Asking €960,000 versus the rua da Murtinheira, 5 area baseline of €1,110,036 (€3,162/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 81/100 is above the parish average, lifting fair value versus a typical-condition unit.
Recent nearby listings price below the wider parish average — a hyper-local discount distinct from the parish baseline.
Base gap of €1,110,036, adjusted for condition and micro-location, gives a modelled fair value of €1,225,946 (€3,493/m²), a €265,946 (21.7%) gap versus the €960,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| rua da Murtinheira, 5 | Subject | €960,000 | €2,735 | — | 85 | 61 |
| Ericeira · 4392e9 | Active | €697,500 | €3,671 | 34.2% | 88 | 44 |
| rua Frei Fernão Rodrigues Monteiro, 7 | Active | €940,000 | €3,534 | 29.2% | 90 | 54 |
| Ericeira · f46b20 | Active | €697,500 | €3,019 | 10.4% | 79 | 58 |
| rua Frei Fernão Rodrigues Monteiro | Active | €600,000 | €3,158 | 15.5% | 74 | 61 |
| Median comp | €697,500 | €3,346 | 22.3% | 84 | 56 |
Family rental This 4-bed penthouse in Carvoeira is well-positioned to attract families, given its spacious layout and proximity to coastal attractions, despite the mixed demand in the suburban area. With a fair value significantly exceeding the listing price by 21.7%, this property presents a compelling opportunity for rental income potential. Long-term rental Offering a substantial living area of 351m², this penthouse is appealing to long-term tenants looking for comfort and proximity to local employment opportunities. The property is currently listed at a price 21.7% below its fair value, making it an attractive investment for steady cash flow. Buy-and-hold In a suburban market where housing demand fluctuates, this property stands out with its considerable size and appealing fair value proposition. Buying this penthouse at a price 21.7% lower than its fair value allows for capital appreciation over time while benefiting from the steady demand for family housing.
Economic volatility risk The economic stability score of 55 indicates potential fluctuations in market conditions that could affect property value and demand significantly.
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