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Altering an existing building

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This guide helps you determine the requirements for proposed alterations to existing buildings, whether earthquake prone or not, and how these can be met.

This is a guide only. It should not be used as a substitute for legislation or legal advice. The Ministry of Business, Innovation and Employment is not responsible for the results of any actions taken on the basis of information in this document, or for any errors or omissions.

  • Published on 22 June 2018
  • Of interest to Building consent authorities, Territorial Authority, Building owners, Designers, Architects

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This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: