Modular Home Approvals in Queensland: Planning, Building and Site Checks

A permanent modular home in Queensland needs an approval pathway suited to its use and site. Some proposals do not need a planning application, but that does not settle building, plumbing or occupation requirements. Begin with the Queensland state guide and the actual property.

Establish the proposed use

Queensland's tiny-home guidance distinguishes fixed residential use from temporary caravan-style accommodation. It also lists dwelling houses, secondary dwellings, dual occupancies and multiple dwellings as different use categories. Do not treat those names as interchangeable.

Describe whether the project is a main home, a subordinate second dwelling, short-stay accommodation or several dwellings. Give council the number of units, intended occupation and service connections, not only a product name or photograph.

Separate planning, building and plumbing checks

Eligible development may avoid a planning application, but eligibility is conditional. A local planning scheme check should be read with applicable state rules. Do not assume that every overlay requires the same application or that a compliant floor area resolves the site assessment.

Business Queensland's certifier guidance explains the building-certification role. Plumbing permit work has a separate inspection process administered by local government or the relevant public-sector entity; a private building certifier does not replace that process. See the plumbing inspection guidance.

Check secondary dwelling size locally

There is no reliable single Queensland size limit to use for every property. As a local example, the Sunshine Coast secondary dwelling information sheet lists different gross-floor-area requirements for different areas, including rural and rural-residential land.

Use those requirements only for a proposal within the relevant local area. Do not carry a size allowance across council boundaries or rely on a general South East Queensland 80 m2 rule.

Ask which current code and floor-area definition apply to the address. Confirm setbacks, height, parking, access, the relationship to the main home and services before treating a design as eligible. A catalogue footprint is not the same thing as a checked planning measurement.

Exceeding an acceptable size outcome does not by itself establish a new use category or a fixed infrastructure bill. Ask council or the planning adviser to assess the actual proposal and any alternative assessment route.

Assess infrastructure charges separately

Queensland's infrastructure-charge guidance links charges to additional demand and adopted charging arrangements. Council charges and South East Queensland water and wastewater charges can involve different authorities.

Request the applicable resolution or charging plan and a written calculation for the project. Ask about demand, existing-use credits, offsets, indexation and payment timing where relevant. Keep connection work and service upgrades separate from statutory charges in the budget.

Do not use a universal dollar allowance or assume a smaller home guarantees waived charges. An indicative product price is not a complete development budget. The project-cost guide helps organise the scope comparison.

Rental use does not remove approval conditions

The Queensland secondary dwelling guidance explains the occupancy changes effective from 26 September 2022. Unrelated tenants can occupy secondary dwellings, but existing restrictive approval conditions may need a change application. Building and fire-safety requirements still need checking.

Do not apply this residential-occupancy change automatically to holiday accommodation or assume that rental permission establishes demand or investment returns.

Rural land and tiny homes on wheels

Rural land is not subject to one statewide yes-or-no rule for a secondary dwelling. The Sunshine Coast information sheet includes accepted-development pathways subject to requirements in rural and rural-residential zones. This does not approve another rural property or a multi-unit accommodation business.

Check the zone, regional planning controls, hazards, wastewater and proposed use. A single subordinate dwelling and several independent tiny homes can raise different questions.

Wheels alone do not establish permission for permanent living. For genuinely temporary caravan-style use, ask council about local laws, permitted occupation and connections. For ongoing residential use, confirm the applicable planning and building pathway before ordering a trailer or home.

Prepare a site-specific brief

1. Step 01Identify the property, existing buildings and proposed use.
2. Step 02Obtain the current planning map and applicable code requirements.
3. Step 03Supply dimensioned drawings and a concept site plan.
4. Step 04Confirm building certification, plumbing, drainage and service requirements.
5. Step 05Obtain project-specific charge and site-work advice.
6. Step 06Resolve delivery access, foundations and completion responsibilities before manufacture.

Compare permanent modular homes or expandable homes once the intended use is clear. Use the Planning Assessment to organise your site and product brief, not as a substitute for an authority's decision.

Frequently asked questions

Do modular homes need council approval in Queensland?

A permanent modular dwelling needs the applicable approval pathway. Planning approval depends on the use, site and current requirements; building certification and plumbing requirements must be checked separately. Factory manufacture is not an approval exemption.

Is there an 80 m2 granny-flat limit across Queensland?

No single 80 m2 limit should be applied across Queensland. Check the current requirements and measurement rules for the specific council, zone and property. Staying below a size limit does not by itself establish approval eligibility.

Does exceeding a size limit automatically create a dual occupancy?

No automatic conclusion should be drawn from floor area alone. Ask council or a qualified planning adviser to confirm the use definition, assessment pathway and applicable charges for the actual proposal.

What infrastructure charges should I allow for?

Obtain a project-specific assessment under the applicable council and service-provider charging arrangements. Do not assume a fixed statewide amount or that a secondary dwelling is always charge-free. Separate infrastructure charges from connections and physical site works.

Can I rent out a secondary dwelling in Queensland?

Queensland removed the family-occupancy restriction in 2022. Check any existing approval conditions and required building or fire-safety work before renting. This does not automatically authorise short-stay accommodation or establish an investment return.

Can I put a secondary dwelling on rural land?

Potentially, depending on the zone, proposal and applicable state and local controls. Some schemes provide a conditional pathway; do not treat rural land as automatically prohibited or assume several independent dwellings use the same pathway.

Before you proceed

General information only, not legal, planning or financial advice. Confirm the current requirements with council, the building certifier and relevant project professionals before purchasing, installing or occupying a home.

Last updated: 17 October 2026.