The techniques of sparkling winemaking did not originate with the Benedictine monk Dom Pérignon, nor was the first purposely sparkling wine produced in the region of Champagne. Regardless, through centuries of refinement Champagne has become the world’s leading sparkling wine and the vinous embodiment of luxury and celebration.
So, according to the good folks at Krug, despite the Contrôle des Structures (and Tom Stevenson's reports on it) there is no limit to the amount of land a house may own in Champagne. Thanks to Shayn Bjornholm for pursuing this!