The austerely sculpted porches flanking the main entrance are from the early period, and the more ornamental elongated central porch and the gabled upper windows were added in the 15th and 16th centuries.
The building was worked on at various points over 300 years.
mnli hypothesis: The building was worked on at various points over 300 years. premise: The austerely sculpted porches flanking the main entrance are from the early period, and the more ornamental elongated central porch and the gabled upper windows were added in the 15th and 16th centuries.