BC Update 231: MBIE publishes guide to altering an existing building

Posted: 22 June 2018

BC Update
On 22 June 2018 MBIE published a guide to altering an existing building. The requirements apply to all existing buildings, including those that are earthquake prone.

Altering an existing building can trigger certain requirements, including:

  • ensuring the building continues to comply with the Building Regulations to at least the same extent as before the alteration, and
  • complying as nearly as is reasonably practicable with current Building Regulations requirements for:
    • means of escape from fire
    • access and facilities for persons with disabilities
  • undertaking seismic work so that the building is no longer earthquake prone (for a substantial alteration (defined in regulations) to an earthquake-prone building).

The guide will be of interest to:

  • building consent applicants, whether building owners, or building professionals on behalf of clients
  • building professionals including architects and designers
  • building consent authorities (BCAs) and territorial authorities considering building consent applications and determining whether or not to grant a building consent.

This document does not replace the decision-making powers of BCAs and territorial authorities in relation to alterations to existing buildings.

New building work associated with an alteration must comply with the Building Regulations. This advice does not apply to establishing compliance of new building work with the Building Regulations.

Altering an existing building has further information.

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This information is published by the Your home’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: