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.
1-bedroom, 2-bathroom apartment of 86 m² on the 3rd floor, built in 1991, energy rating D. Located on rua Astrolábio, 131, Cascais e Estoril parish, Cascais municipality, Lisbon district. The renovated apartment has a stone fireplace and 16.00 sqm of balconies, and sits in a private condominium with swimming pools, a garden and a squash court.
The property is overpriced: the €795,000 asking price is above the €608,000 fair value, a €187,000 (23.5%) downside versus the asking price. Confidence in the fair value is low.
The Transaction model uses real transaction data: 156 recorded sales in Cascais e Estoril over the four quarters to Q2 2026. The Adjusted asking-price model uses current listings, with asking prices adjusted to sale level. They are combined in a weighted blend: 55% Transaction model and 45% Adjusted asking-price model. No conservative adjustments for area, non-living area composition or cost to cure were applied. Verdict: the asking price is above the fair value: the fair value is €608,000 against an asking price of €795,000, a €187,000 gap and 23.5% downside versus the asking price; the fair asking price is €657,000 as negotiation context. Confidence: low, given the estimates differ beyond tolerance and the stated data caveats.
Gross yield 4.2% (before costs)
No specific strategy stands out for this property.
Negotiation room: Negotiation context: asking prices in this municipality run about 23% above what similar homes actually sell for, so there is usually room to negotiate
At €795,000, the asking price is above the €608,000 fair value: the property is overpriced, with 23.5% downside versus the asking price; confidence is low. The 1-bed apartment offers 86m² and has a condition score of 86/100, while its neighbourhood score is 50/100; the gross yield is 4.2%.
Indicative, before costs, vacancy and management. Not investment advice.
Economic and tenant stability risk Economic and tenant stability are both rated 50/100, indicating moderate stability and potential exposure to instability. Data-quality risk The data-quality check is blocked because an advert has no area, limiting the completeness of the available information. Fair value certainty risk The fair value is €608,000 with low confidence; the municipality reference is on watch against INE, and the estimates differ by more than the tolerance.
Findings: 1
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Models 3.4.3 (Data quality v3 · Valuation v4.2 · Strategy v3.1)
Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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