The Form and Growth of the City Roman Town

After the army left Exeter, the site of their fortress became a town known as Isca Dumnoniorum. The town began to grow outside of the old fortress, so by AD 180-200 a new wall was built enclosing 93 acres. In the third and fourth centuries some grand houses laid mosaic floors, but by about AD 360 a decline had set in. Much of the urban life of the last 300 years seemed to end and the people turned to farming.