sentences:  The site has "the largest, and most varied, excavated collection of medieval tiles in the North West" and "the greatest variety of individual mosaic shapes found anywhere in Britain".The tiles found made a pavement forming the floor of the choir of the church and the transepts.The chancel floor was probably also tiled; these tiles have not survived because the chancel was at a higher level than the rest of the church, and the tiles would have been removed during subsequent gardening.