sentences:  It has been estimated that the original community would have consisted of 12 canons and the prior; this increased to around 26 members in the later part of the 12th century, making it one of the largest houses in the Augustinian order.By the end of the century the church had been lengthened, a new and larger chapter house had been built (I* on the plan), and a large chapel had been added to the east end of the church (N).In about 1200 the west front of the church was enlarged (M), a bell tower was built and guest quarters were constructed.