Some of the buttresses on the south wall appear to be relatively modern and may have been added in 1869 when the major renovations of the church took place. There may have been some subsidence due to the building of the Sanford vault under the south aisle. It is said that the vault contains the remains of the early members of the Sanford family, many of which are in lead coffins. The effect of movement can also be seen inside the church as some of the pillars on the North side of the south isle lean at a slight angle.