Relocatable Houses
Typically: Likely requires consentMoving an existing house involves multiple consents and professional input
Relocating an existing house to a new site is a complex process that almost always requires building consent — and frequently resource consent as well. It involves structural, geotechnical, and weathertightness considerations.
General guidance only. This website provides general guidance only. It does not confirm that building work is exempt and does not replace advice from your local council, architect, architectural designer, engineer, planner, licensed building practitioner or other suitably qualified professional. Any exempt building work must still comply with the New Zealand Building Code and any other relevant legal requirements. Full disclaimer →
What makes relocatables complex
When a building is moved to a new site, it must comply with the New Zealand Building Code as if it were a new building — even if it was built legally decades ago. This means old construction standards may not meet current requirements for insulation, weathertightness, seismic performance, or accessibility.
Consents required
Relocating a house typically requires:
- →Building consent for the new site (foundations, connections to services, any alterations)
- →Building consent to demolish or remove from the original site (in some cases)
- →Resource consent under the district plan (change of use, earthworks, new dwelling on site)
- →Moving permit from NZTA or council if the house will travel on public roads
- →Service connection approvals (water, wastewater, power, telecommunications)
Do not purchase a relocatable house without first checking with the destination council that it can be placed on your site and what will be required. Some older houses cannot be economically brought up to current code.
Due diligence before buying
Before buying a relocatable house, have it inspected by a qualified building inspector who can identify existing defects, asbestos-containing materials (common in pre-1980 buildings), and weathertightness issues. The cost of upgrading the house on the new site often significantly exceeds initial estimates.
The role of an architect or designer
Given the complexity, engaging an architect or building designer from the outset is strongly recommended. They can assess the house's existing compliance, identify what upgrades are needed, coordinate the consenting process, and help you avoid costly surprises.
Frequently asked questions
Can I put a relocatable on rural land?
This depends entirely on your district plan. Rural zones often have strict rules about new dwellings. Some rural zones prohibit additional dwellings altogether; others permit them only for specific land uses. Check with your district council before proceeding.
What's a Certificate of Acceptance and do I need one?
A Certificate of Acceptance (COA) can be issued by council for work that was done without consent. It's sometimes used for older relocatable houses. However, council will only issue a COA if they're satisfied the work complies with the Building Code — and they have discretion to refuse. It's not a guaranteed fallback.
Does the house need to comply with current earthquake standards?
Existing buildings are generally not required to be earthquake-strengthened unless there's a change of use or significant alterations. However, the building must meet the Building Code's structural requirements for its new site — and different sites have different seismic hazard levels. An engineer should assess this.
This is likely to require building consent or further professional input. Do not start work without confirming with council.
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The team at 4C Architecture Studio works with NZ homeowners every day — from initial consent questions through to design and documentation.