ɪnðə nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi z, ðɪ ˈiːst wˈɪŋ wʌz ɛkstˈɛndᵻd ænd sˈɪks mˈoːɹ ˈɑːɹtʃᵻz wɜːɹ ˈædᵻd tə ðɪ ɚɹˈɪdʒɪnəl nˈɔːɹθ fəsˈɑːd, kəntˈeɪnɪŋ ˈeɪtiːn ˈɑːɹtʃᵻz wɪð ɐ pˈɛdɪmənt mˈɑːɹkɪŋ ðə mˈɪdəl ænd tˈɜːɹɪts æt ðɪ ˈɛndz tə fˈɔːɹm ɐ klˈæsɪkli pɹəpˈoːɹʃənd stɹˈʌktʃɚ, dˈʊɹɹɪŋ ɐn ɛkstˈɛnʃən ʌphˈɪl.
In the 1940s, the east wing was extended and six more arches were added to the original north facade, containing 18 arches with a pediment marking the middle and turrets at the ends to form a classically proportioned structure, during an extension uphill.