The Portweinhaus is located in Pinhão in the center of the Port wine region in the north Portugal, It was founded in 1715 by a Portuguese family. After the destruction of many vineyards by the phylloxera The estate was acquired in 1894 by Antonio José da Silva. Later, it became the property of the Dutch family van Zeller, which has run it for four generations. In 1993, the operation became of the French group AXA which made extensive investments in new cellar facilities. Among other things, were electronically controlled robot-like Lagares installed, where the grapes are mechanically trampled as if by feet.
Only the wines produced on the Quinta are marketed under the name "Quinta de Noval", all others under "Noval". The absolute flagship of the house is the "Nacional Vintage Port", made from grapes of ancient, ungrafted Vines of a tiny vineyard is produced, which are spared by phylloxera. The wine is produced only in very good years in the small amount of 200 to 300 boxes (2,400 to 3,600 bottles), in "normal" years it is marketed as a "vintage port". The 1997 vintage of this legendary port wine received from the US wine critic Robert Parker 100 points. The two years 1963 and 1994 were rated by him with 99+ points. Another premium wine is the single Quinta Vintage "Silval".