Exceptional classic villa located in one of the most prestigious areas of Porto, in Foz do Douro, on the second line of the sea, benefiting from a rare location that combines centrality, exclusivity and proximity to the ocean. Currently used for services and as an office, it is highly versatile and can be used as is or converted into a single-family home or a high-standard residential project, subject to the appropriate authorizations. Consisting of four floors, the house preserves its original design and architectural elements of historical value, and is classified as a property of heritage interest. It has multiple large and bright rooms, with excellent potential for functional reorganization, respecting the noble character of the building, and has gas central heating throughout the building, with a condensing boiler. It currently has 645sqm of built area and also benefits from an approved Prior Information Request (PIP) which allows for an extension of another 343sqm. This represents a unique opportunity for appreciation and expansion in one of Porto's most consolidated and noble real estate markets. A unique property, ideal for investors, companies or individuals looking for a distinctive asset with an identity, history and high potential for appreciation, in a prime location by the sea. Note: some photographs contain virtual decoration. Features: PIP approved by Porto City Council for: Three-storey building; Housing and parking; Gross construction area of 343.00m².