A single-storey pole or hay barn in a rural zone doesn’t require a building consent under certain conditions.

You can build a single-storey pole shed or hay barn in a rural zone without building consent if:

• the design has been carried out or reviewed by a Chartered Professional Engineer, or a Licensed Building Practitioner has carried out or supervised design and construction.
• design wind speeds do not exceed 44 metres per second (High wind zone).
• the building is not more than 1 storey (being a floor level of up to 1 metre above the supporting ground and a height of up to 4 metres above the floor level).
• the maximum unsupported roof span in any direction does not exceed 6 metres.
• the building does not exceed 110 square metres in floor area.
• the building has a minimum distance from any residential building, public road, rail or legal boundary at least equal to the measure of its own height.
• the building is not subject to the Hazardous Substances and New Organisms Act 1996.
• the building is not accessible by the public (i.e. Building Importance Level 1).

Check if you need a consent.