No building hereafter erected or altered shall be erected or altered to exceed the height or to accommodate or house a greater number of families or to occupy a greater percentage of the lot area or to have narrower or smaller front yards, rear yards, side yards, inner or outer courts or to be situated on a smaller or narrower lot than is laid down in the "Schedule Limiting Height and Bulk of Buildings" for the zone in which such building may be located. This schedule accompanies these regulations and is hereby declared to be a part thereof.