In this same church, however, in 1851, he inserted a new window, not based on any evidence, but simply copied from one in Carlisle Cathedral. Also in the case of St. Mary-on-the-Bridge, at Wakefield, “famous as the finest remaining example of a not uncommon mediaeval building type, though few can have matched its elaboration”, (65) he made a decision that he later much regretted. Having found some debris of destroyed decorations in the river wall, he prepared the project for the restoration, intended as ‘conservative’; he let himself, however, be persuaded by a stone carver to allow him to sell the original west elevation of the church - later erected as a boat house at Kettlethorpe, and have a replica made in its place. (66)