 The only major structural change was that Christian restored the Chancel to its 13th century form by removing the low pitched roof that was part of the 15th century refurbishment.Evidence from the church shows the wide variety of stone available in medieval Norwell.Much of the building is constructed in skerry, a form of pale grey sandstone, quarried locally at Tuxford, Laxton, Kneesall and Maplebeck.