Keswick was granted a charter for a market in 1276 by Edward I. This market has an uninterrupted history lasting for more than 700 years. The pattern of buildings around the market square remained broadly the same from this period until at least the late 18th century, with houses - originally timber-framed - fronting the square, and sturdily enclosed gardens or yards at the back. According to local tradition these stout walls and the narrow entrances to the yards were for defence against marauding Scots. In the event it appears that the town escaped such attacks, Scottish raiders finding richer and more accessible targets at Carlisle and the fertile Eden Valley, well to the north of Keswick. With the Dissolution of the Monasteries, between 1536 and 1541, Furness and Fountains Abbeys were supplanted by new secular landlords for the farmers of Keswick and its neighbourhood. The buying and selling of sheep and wool were no longer centred on the great Abbeys, being handled locally by the new landowners and tenants. This enhanced Keswick’s importance as a market centre, though at first the town remained only modestly prosperous: in the 1530s John Leland wrote of it as “a lytle poore market town”. By the second half of the century, copper mining had made Keswick richer: in 1586 William Camden wrote of “these copper works not only being sufficient for all England, but great quantities of the copper exported every year” with, at the centre, “Keswicke, a small market town, many years famous for the copper works as appears from a charter of king Edward IV, and at present inhabited by miners”. Earlier copper mining had been small in scale, but Elizabeth I, concerned for the defence of her kingdom, required large quantities of copper for the manufacture of weapons and the strengthening of warships. There was the additional advantage for her that the Crown was entitled to royalties on metals extracted from English land. The experts in copper mining were German, and Elizabeth secured the services of Daniel Hechstetter of Augsburg, to whom she granted a licence to “search, dig, try, roast and melt all manner of mines and ores of gold, silver, copper and quicksilver” in the Keswick area and elsewhere.