The Anglo-Saxon ways of living were greatly altered by the advent of the Normans in the latter half of the eleventh century. In architecture, as well as horticulture, the Normans excelled the Anglo-Saxons at the time of the Conquest. But, until the Normans had subdued the entire country, home life was an impossibility, and there was no occasion for domestic architecture or decoration. Thus, while the early monasteries were substantial stone buildings, commonly situated in the broadest and most fertile valleys, castles were ruder structures, generally erected on windy hilltops, where their inmates devoted both time and space to projects for offence and defense. These bare strongholds were impractical for such a peaceful pursuit as gardening.
After a few years, the danger of insurrection having lessened, the Normans replaced their first wooden structures by permanent castles built of stone. Of the early Anglo-Norman style of architecture, Berkeley Castle is perhaps the most complete example now existing. The keep is said to date from the time of William the Conqueror. Around the massive building runs a terrace intended both for a walk and to prevent the walls from being...