Domes At the head of the
nave is the internal dome, supported by
Ionic columns, and
buttressed by external walls. It rises to a height of 21.33 metres (70 feet) from the floor. The internal dome is one of the main artistic features, and over this dome rests the central tower out of which rises the
coppered cupola (the external dome) of the church. The cupola rises to a height of 35 metres (115 feet) and is in square tower-like fashion. There is a walk-round base from which, on a clear day, can be seen
Aoraki / Mount Cook, and with the aid of binoculars,
Temuka and
Geraldine. The dome is 12.19 metres (40 feet) at the base. Access to the space between the internal dome and cupola is gained by a concrete spiral staircase. A wooden staircase leads to the outer dome. The interior was retimbered at the time of the Basilica's
Silver Jubilee in 1936 as "Sufficient care was not taken during the building." The copper for this dome alone cost £600. Two small domes surmount the towers that flank the façade and there is another internal dame above the sanctuary centring the
apse of the basilica. and the Sanctuary windows: St Aloysius, St Bridget, St Patrick, Mother Immaculate, Sacred heart, St Joseph, St Anne, St John the Evangelist. The donors and those commemorated by the windows are named on marble tablets at the head of the nave, and in other parts of the Basilica.
Organ The
organ built by Arthur Hobday, and installed in this church in 1912, was Hobday's last work before his death. He was apprenticed to the prominent nineteenth-century Australian organbuilder,
George Fincham, about 1866, and later sent up his own organbuilding business in
Wellington. He died on 9 October 1912, at the age of sixty-one. Internal evidence suggests that this organ is a rebuild (and enlargement) of a previous instrument, made in England in 1848 and sent to
Sydney,
New South Wales. It was originally powered by
bellows worked by an
hydraulic system. An open pipe carried the water out on to the church grounds. The present organ makes use of pipework from an older instrument. John Stiller in his 1981 documentation of this organ, states that it is the "finest of the Hobday organs which have been preserved." Excellent
tonal qualities are enhanced by a splendid acoustic and visual setting. The Hobday case has been preserved in original form, and displays design characteristics typical of his style and also the
console has been retained and includes original fittings such as
stopknobs, stop labels,
keyboards, keyboard cheeks,
pedal-board and
organ bench. The
pneumatic action of the organ is a unique feature. The organ was restored in 1986 by the
South Island Organ Company. It now has 1516 pipes. They range from sixteen feet to a quarter of an inch, and are made from wood,
tin-lead and
zinc. In that restoration the front pipes were altered in colour from silver to gold, and springs were added to the pneumatic actions to improve the organ's responsiveness. The 1986 restoration cost $70,000. ==Seismic strengthening==