|1886 - 1890
||Land set aside for the town hall on reclaimed land near Jervois Quay, which was created using fill from the cliff-face on Lambton Quay and hauled to the site by horse and cart.
||Wellington architect Joshua Charlesworth designs Town Hall in the classical renaissance style.
|18 June 1901
||Duke of Cornwall and York lays three-ton granite foundation stone with time capsule inside.
||Paterson, Martin, and Hunter start building the Town Hall. Cost 68,000 pounds.
|7 December 1904
||Wellington Town Hall officially opened by Mayor Aitken in front of 3,000-strong crowd. Auditorium acoustics acknowledged as excellent.
||Norman & Beard grand organ installed by organ builder J Tustin. Made in London, cost 7,000 pounds and shipped to New Zealand in 51 cases.
||Clock donated by John Blundell and installed in 150-foot tower.
||Roman-styled main portico, clock tower and other external features removed as a precaution against earthquakes.
||Wairarapa earthquakes cause moderate damage to the Town Hall.
|1943 - 44
||More external features removed and major strengthening done in auditorium and concert chamber.
||Interior painted using Grant Tilly-designed colour scheme, based on dominant colours in foyer’s original tiled floors.
||Town Hall’s future in jeopardy for not meeting the seismic codes. Public outcry. Council decides to strengthen.
||Exterior repainted in two colours, designed by Mayor Michael Fowler.
||Public debate about partial demolition to preserve the main auditorium.
||'Save the Town Hall' committee formed by a group of music enthusiasts.
||Michael Fowler Centre built next to the Town Hall.
||The Council decides to strengthen the Town Hall.
||Council votes for integrated Civic Centre scheme, creating a new Civic Square between the Town Hall and old city library (now City Gallery), a new Central Library and new curved Council office building.
|1991 - 1992
Concert chamber replaced by conference / reception.
Ilott theatre built, designed in a traditional chamber music room style.
Main auditorium fully renovated and restored to improve function and civic events' space. Stage modernised.
Original features restored, including wrought-iron balustrades, cast-iron columns and balustrades, dadoes and pressed zinc ceiling.
||Town Hall complex reopened.
||Town Hall assessed as earthquake-prone, meeting only 20 - 25% of new building standard.
||Town Hall closes to start earthquake strengthening.