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.
7-bedroom, 6-bathroom palace of 1616 m² on the 1st floor, built in 1860, energy rating D. Located on avenida Salvador Allende, 85, Oeiras e São Julião da Barra, Paço de Arcos e Caxias parish, Oeiras municipality, Lisbon district. The 19th-century neoclassical estate sits on the first line to the sea, with a Clock Tower, extensive gardens, and visible damp staining and peeling paint requiring repairs.
The fair value is €1,320,000 and the asking price is €12,500,000. This property is outside the range our automatic models cover reliably; an analyst review is needed, so no verdict is given. Confidence in this fair value is low; a full report is available on request.
The Transaction model uses recorded sale prices from 37 sales in Oeiras e São Julião da Barra, Paço de Arcos e Caxias in 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 of 70% and 30%, respectively. Conservative adjustments use the more conservative area reading and deduct estimated works where applicable. The fair value is €1,320,000; the asking price is €12,500,000, and confidence is low. Verdict: Report on Request — outside the range our automatic models cover reliably; an analyst review is needed. A full report on this property is available on request.
Gross yield 3.6% (before costs)
No specific strategy stands out for this property.
The 7-bedroom, 1,616 m² palace in Oeiras e São Julião da Barra, Paço de Arcos e Caxias has a condition score of 67/100, a neighbourhood score of 50/100 and a gross yield of 3.5%; these factors should be weighed alongside the property’s scale and location. The asking price is €12,500,000 and the fair value is €1,320,000, stated separately without a price verdict: the automatic models do not cover this property reliably, so an analyst review is needed (Report on Request; low confidence).
Indicative, before costs, vacancy and management. Not investment advice.
Economic and tenant stability Economic and tenant stability are both rated 50/100, indicating risk in both areas. Data quality The data-quality check is blocked because one reported area is implausible, one advert has no area, and the property listings disagree. Fair-value uncertainty The fair-value confidence is low because the property is outside the range our automatic models cover reliably; an analyst review is needed.
Findings: 3
Confirmed findings from our checks of this listing. They inform; they do not change the valuation.
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Fair value shown, but its gap to the asking price is outside the range our automatic models cover reliably. See the note below.
Models 3.4.3 (Data quality v3 · Valuation v4.2 · Strategy v3.1)
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Comparables, condition and location workings, yield and time-to-sell. Written up and emailed to you.
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