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Notes for Retaining walls: 13.2 to 13.3

Sections 13.2 to 13.3 cover 2 separate exemptions for retaining walls. You will need to check which professional to hire according to the specifications.

Retaining walls that retain no more than 1.5 metres depth of ground.
Retaining walls built in not exceeding three metres depth of ground, when the design is carried out or reviewed by a Chartered Professional Engineer.

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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:

with compliance with the Building Act, it is published under section 175 of the Building Act
with a Weathertight Services claim, it is published under section 12 of the Weathertight Homes Resolution Services Act 2006.

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