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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2025/002: An authority’s proposed refusal to grant a building consent for two multi-unit buildings in relation to the application of C/AS1 Part 5

This determination considers an authority’s proposed refusal to grant a building consent for two multi-unit buildings.

The determination considers the application of Acceptable Solution C/AS1 paragraph 5.1.1 for the proposed external wall design in relation to control of external fire spread.

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2024/041: Regarding the authority’s refusal to grant a building consent for building work to replace the existing fire alarm system in a cool store.

This determination considers the decision by the authority to refuse to grant a building consent for work to disestablish an existing sprinkler system. The authority considered that there were outstanding issues regarding the fire load within the building, the proposed replacement warning system, and the fire rating requirements for the building. The determination discusses the outstanding issues at the time the building consent was refused, and the refusal letter issued by the authority.

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2024/018: Regarding the refusal to grant a building consent for alterations to replace the external cladding of a dormer roof and window

This determination looks at the authority’s decision to refuse to grant a building consent for alterations to an existing multi-unit dwelling due to a dormer wall not being fire rated. The determination considers whether fire rating the wall is necessary to meet the requirements of section 112(1)(b) of the Building Act.

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2024/014: Compliance of a stormwater tank near a property boundary with Building Code clauses concerning fire affecting other areas

This determination considers whether a stormwater tank near a property boundary is required to comply with performance clauses C3.6 and C3.7 of Building Code Clause C3 Fire affecting areas beyond the fire source.  

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2024/013: An authority's purported refusal to grant a building consent for building work that may constitute a change of use

This determination considers an authority's purported decision to refuse to grant a building consent for an alteration to an existing workshop on a residential property. The determination considers whether a change of use is occurring with the proposed building work to create a sleep-out.

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2023/033: Regarding the compliance of, and decisions made by an authority in relation to, encroaching building work

This determination considers compliance of building work that encroached across the boundary between two properties with Building Code Clauses B1 Structure, B2 Durability and C3 Fire affecting areas beyond the fire source. The determination also considers the authority’s decisions to grant the original building consent, an amendment to that consent, and subsequent issue of the code compliance certificate, and the authority’s alleged failure to issue a notice to fix.

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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.

2020/029: Regarding the issue of a notice to fix for building work to a sprinkler system carried out without a building consent

This determination considers whether a territorial authority was correct to issue a notice to fix for building works that involved the alterations and modifications of an existing specified system – an automatic sprinkler system – where a building consent was not obtained prior to the works commencing. The determination also considers if the building works could have been undertaken in accordance with clause 10 of Schedule 1 of the Building Act.

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2019/042: The code compliance of a garage built over a boundary

This determination concerns whether a garage built over a boundary complies with Clause C3 (Spread of Fire) of the Building Code in place when the building consent was issued, and whether the authority was correct to issue a code compliance certificate for the work.

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2019/036: Regarding a notice to fix and whether a structure on trailers is a vehicle or a building

Note: ​The decision in this determination was confirmed on appeal to the District Court. See Marlborough District Council v Bilsborough [2020] NZDC 9962.

Read the appeal judgment.

This determination concerns a notice to fix issued for two relocated units built on trailers that were relocated onto site and joined via a walkway constructed onsite.  The determination considers whether the structure is a building for the purposes of the Act and whether the units separately are vehicles and not buildings.  It also considers the particulars of contravention identified in the notice to fix and the persons to whom the notice was issued.

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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: