Symington Family Estates, the owner of the Graham's brand of vintage port, has invested €2 million (£1.8 million) in renovating its Graham's Lodge in Vila Nova de Gaia, Portugal.

The building, constructed for Graham's Port in 1890, is used to age the company's wines. As well as continuing in this role, the lodge will add extra facilities for the 60,000 visitors it attracts every year, including tasting areas, a shop.

A new restaurant, with a menu tailored around the company's ports and featuring views over the river Douro, will also be created as part of the project.

Paul Symington, chairman and join managing director of Symington Family Estates, said: "At a time of considerable economic uncertainty in Portugal and across Europe, this is proof of my family's continued confidence in the future of Port and Douro wine."

In May, Symington Family Estates announced that the Graham's, Cockburn's, Warre's and Dow's ports have been awarded 14 gold medals at the 2011 editions of international wine competitions.