Previous determinations

Determinations are made by MBIE on matters of doubt or dispute to do with building work. Rulings are legally binding, but only in relation to each case.

Previous determinations may provide some useful guidance for those faced with similar problems, but note that individual circumstances may vary.

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2023/037: The compliance of a waterproof membrane tanking system with Clause E2 of the Building Code

This determination considers whether the tanking system, applied to a blockwork retaining wall on a residential house, complies with the weathertightness requirements of Building Code clause E2 External Moisture.

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2023/012: Regarding the decision to issue a code compliance certificate for alterations to an existing residential dwelling

This determination considers the decision by an authority to issue a code compliance certificate for building work undertaken to alter an existing detached residential dwelling. The determination will consider the compliance of specific elements of the building work against the requirements of a building consent and the Building Code, taking into account all the information now available.

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2022/008: Compliance of a timber retaining wall with Building Code clauses B1 Structure and E1 Surface Water that provide protection of other property

This determination considers whether building work to construct a new retaining wall close to the boundary between two properties complies with Building Code clauses B1 Structure and E1 Surface water that have the purpose of protecting other property.

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2022/005: Compliance of building work with Building Code clauses B1 Structure and E1 Surface Water, that provide protection of other property

This determination considers whether building work to construct an extension to an existing deck, a new retaining wall, and other structures along a boundary between two properties, comply with Building Code Clauses B1 Structure and E1 Surface Water that provide for the protection of other property.

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2021/020: Regarding the refusal to issue a code compliance certificate for 23-year old alterations to a residential dwelling

This determination considers whether an authority was correct to refuse to issue a code compliance certificate for a building consent granted in 1998 under the former Building Act 1991. The determination will discuss the reasons given by the authority for the refusal, and how they relate to Building Code clauses B1 Structure, B2 Durability, E1 Surface Water, and E2 External Moisture that applied in 1998.

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2020/033: The refusal to issue a code compliance certificate for historical building work to construct an outbuilding

This determination concerns the authority's decision to refuse to issue a code compliance certificate for construction of an outbuilding that was later converted to a sleepout. The determination considers the compliance of the building work identified by the authority in its reasons for refusing to issue the code compliance certificate.

2020/031: Regarding the purported refusal to issue a building consent for the construction of retaining walls and associated drainage

This determination considers whether the authority was correct to refuse to grant a building consent for the construction of a number of retaining walls on a site with respect to ground water collected by drainage installed behind the walls. The determination considers whether the ground water collected falls within the definition of 'surface water' as it applies to Building Code Clause E1 Surface water.

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2020/023: The refusal to issue a code compliance certificate for building work

This determination considers the authority's decision to refuse to issue a code compliance certificate for a new dwelling because it was not satisfied that the completed work complied with the Building Code. The compliance decision rested on the authority's view it was unable to accept producer statements from an engineer who had inspected the completed work; the statements are in respect of the verification of the ground bearing and the completion of a surface water soakage trench.

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2020/012: Regarding compliance of building work with Building Code Clause E1 Surface water and the decision to issue a notice to fix in respect of it

This determination considers whether a depression on semi-rural property can be considered a suitable outfall for a surface water drainage system. The authority issued the notice to fix because it considered the drainage system had not been constructed in accordance with the consented plans. The determination considers the compliance of the outfall and whether the authority was correct to issue the notice to fix

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2020/011: Regarding the refusal to issue a code compliance certificate for a relocated house with 19-year-old alterations and additions

This determination considers an authority’s refusal to issue a code compliance certificate for a relocated house with 19-year-old alterations and additions principally for reasons to do with the performance of the building envelope. The determination considers the authority’s reasons for the refusal and whether the items identified by the authority are compliant with the Building Code requirements in force when the building consent was issued.

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: