Rendezvous Hotel, was repaired and reopened on 1 May 2013. The Novotel Hotel was repaired and reopened on 19 August 2013. Radio Network House, a 14-storey building in Worcester Street that was finished in 1986, was imploded on 5 August 2012 and was New Zealand's first ever controlled building demolition by explosives. The Clarendon Tower was built on the site of the former Clarendon Hotel and kept most of the historic hotel's façade, which was the first example of facadism in Christchurch. Designed by Warren and Mahoney, the high-rise was constructed in 1986/87. The 17-storey structure failed in the February 2011 earthquake, with the internal staircases collapsing and the building 'ballooning' in the middle by some . In three high-rises, internal staircases collapsed and occupants were trapped: Hotel Grand Chancellor, Forsyth Barr House, and Clarendon Tower. The staircase failures in the Grand Chancellor and the Clarendon Tower were only partial, whilst both staircases in the Forsyth Barr House collapsed from the 14th floor down. The Forsyth Barr House was sold "as is where is" in August 2014 to a local consortium who converted it into a 4.5 star hotel. Lists Colour key Tallest buildings Tallest buildings prior to the February 2011 earthquake Proposed buildings Timeline of tallest buildings This is a list of the history of the tallest buildings in Christchurch, showing those buildings that once held the title of tallest building in chronological order. See also List of tallest structures in New Zealand List of tallest buildings in Auckland List of tallest buildings in Wellington Twinkle Toes List of tallest buildings in Oceania References Buildings and structures in Christchurch Christchurch 2011 Christchurch earthquake