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.
5-bedroom, 1-bathroom house of 337 m², built in 1951, energy rating F. Located Miragaia e Marteleira parish, Lourinhã municipality, Lisbon district. Noteworthy Features: This property includes significant outdoor space with potential for garden development or additional construction, enhancing its value as a long-term investment in urban expansion.
The valuation. The asking price of €290,000 is significantly below the fair value of €539,145, presenting an opportunity with a variance of €249,145 (85.9%). This indicates the property is underpriced. Buy-to-flip angle. The plan would involve renovating the house to modern standards, allowing for a profitable resale at an improved market rate. Targeting a sale price closer to fair value would maximize returns. Buy-to-let angle. With the potential for family rentals, the property can generate consistent rental income once improvements are made. Although the current yield is 0%, enhancing the property's condition will appeal to long-term tenants.
Fair value modelled at €539,145 from the area baseline, adjusted for condition and location. Asking €290,000 sits €249,145 (85.9%) below — the upside to fair value.
Asking €290,000 versus the Miragaia e Marteleira, Lourinhã, Lisbon area baseline of €748,477 (€2,221/m²) for a median-condition unit of this size — the gap before quality adjustments.
AI Condition Index 36/100 (Condition 28 · Materials 32 · Room dimensions 52). Below-median condition lowers fair value versus a renovated baseline unit.
Neighbourhood score 57/100 (Housing Market 55 · Amenities 60 · Economic 45 · Tenant Quality 60). Strong amenities and housing-market momentum support a premium to baseline.
Miragaia e Marteleira, Lourinhã, Lisbon
Area baseline €748,477 + condition -€204,306 + location +€20,250 = modelled fair value of €539,145 (€1,600/m²), a €249,145 (85.9%) gap versus the €290,000 asking price.
| Reference | Status | Price | €/m² | vs subject | Condition | Location |
|---|---|---|---|---|---|---|
| Miragaia e Marteleira · 090132 | Subject | €290,000 | €861 | — | 28 | 57 |
| Miragaia e Marteleira · 25f4c8 | Active | €180,000 | €1,500 | 74.3% | 38 | 52 |
| Miragaia e Marteleira · 9570ce | Active | €135,000 | €370 | 57.0% | — | 50 |
| rua das Flores | Active | €399,000 | €1,928 | 124.0% | 70 | 57 |
| rua da Serra, 8B | Active | €420,000 | €1,991 | 131.3% | 71 | 58 |
| Median comp | €289,500 | €1,714 | 99.2% | 70 | 55 |
Family rental The 5-bed house in Lourinhã offers an attractive investment opportunity for family rentals given its underpriced status, presenting a significant gap of 85.9% below fair value. Although the current yield is 0%, the potential for appreciation and return once the property is upgraded can be substantial in this moderate-demand area. Buy-and-hold Investing in this property as a buy-and-hold could yield long-term benefits, particularly as the market adjusts to its fair value of €539,145. Given its currently underpriced nature, this strategy allows investors to capitalize on future appreciation while benefiting from potential rental income after renovations. Long-term rental This 5-bed house is well-positioned for long-term rental opportunities due to its significant valuation gap, which signals potential growth as the region develops. Though the gross yield is currently 0%, the opportunity for steady income over time aligns well with the property's purchase price being significantly below fair market value.
Economic Vulnerability The low economic stability score of 45/100 indicates a potential risk of downturns affecting property values and rental demand.
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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