What 'Work of a Minor Nature' Actually Means
The WHS Regulation 2025 (NSW) defines construction work broadly in section 289, then lists what it does not include. One of those exclusions, in section 289(3)(d), is 'testing, maintenance or repair work of a minor nature carried out in connection with a structure'. The other states and territories that have adopted the model WHS laws carry the same exclusion.
The effect is simple. A SWMS is required for high risk construction work, and high risk construction work is by definition construction work. Work that falls inside the minor-nature exclusion is not construction work, so the construction provisions of the Regulation, including the SWMS and principal contractor provisions, do not apply to it. The general duties under the WHS Act still do.
The exclusion has three parts, and all must be satisfied. First, the work must be testing, maintenance or repair: not new construction, alteration, fit-out or demolition. Second, it must be carried out in connection with a structure. Third, it must be of a minor nature. The Regulation does not define 'minor nature', so the words take their ordinary meaning: small in scale, short, routine and low in risk.
That third part is where tradies go wrong. A job is hard to describe as minor when it exposes a worker to the kind of risk the high risk construction work list in section 291 exists to control: a fall of more than 2 metres, a trench deeper than 1.5 metres, energised electrical installations, asbestos. Regulators assess what the work actually involved, not what the contractor called it. The practical rule this guide uses is therefore conservative: if any section 291 trigger is present, do not rely on the exclusion. Treat the work as construction work and prepare a SWMS.
The exclusion is narrow by design. It exists for genuinely low-risk maintenance tasks, not as a way of avoiding safety documentation on any work that happens to be brief or simple.
Examples of Work That IS Minor Nature
These are examples of construction work that would typically qualify as work of a minor nature — meaning it falls outside the definition of construction work and a SWMS is not required for these activities (though a general risk assessment or JSA is still good practice and remains part of the PCBU's primary duty of care).
Replacing a light switch or power point at ground level. This is maintenance of an existing building, performed at ground level, with no work on or near energised electrical installations because the circuit is isolated at the switchboard before work begins. No HRCW category is triggered. The work is genuinely minor in nature.
Painting an interior wall at ground level. Maintenance of an existing building, no heights involved, no structural work. The painter is using a roller and brush at floor level with step stools below 2 metres where necessary. No HRCW category applies.
Fixing a leaking tap or replacing a tap washer. Plumbing maintenance on an existing fixture, performed at ground level, no excavation, no work on pressurised mains above the isolation point. No HRCW category is triggered.
Patching a small section of plasterboard at ground level. Repair to an existing non-load-bearing wall, no structural elements involved, no heights, no demolition. This is minor repair work.
Replacing a door or door hardware. Maintenance of an existing building component, performed at ground level. No HRCW category applies.
Replacing internal door handles, cabinet hinges, or drawer runners. Genuinely minor joinery maintenance at ground level with no structural impact.
Replacing ceiling-mounted smoke detector batteries using a standard step stool below 2 metres. Maintenance, no HRCW trigger.
The pattern is consistent: ground level, non-structural, maintenance or repair, with no element of the work that falls into any HRCW category. These are genuinely low-risk tasks where the overhead of a formal SWMS would be disproportionate to the risk. The minor nature classification exists to prevent the SWMS system from collapsing under the weight of trivial paperwork for trivial tasks.
Examples of Work That Is NOT Minor Nature
These are examples where tradies commonly assume the work is minor — but it is not. Each involves a risk on the high risk construction work list, so the exclusion should not be relied on and a SWMS should be prepared.
Replacing a light fitting in a ceiling void accessed from a ladder at 2.5 metres. The work involves a risk of falling more than 2 metres (the falls trigger in section 291). A SWMS is required. It does not matter that the task itself seems simple or that the electrician has done it a thousand times — the height triggers the requirement. In Victoria, the threshold under the OHS Regulation 2017 is 2 metres (consistent with the national model), though Victoria uses the language of 'employer' and 'employee' rather than 'PCBU' and 'worker'. In South Australia, the threshold changes from 3 metres to 2 metres on 1 July 2026.
Painting exterior walls from scaffold at 3 metres. Working at heights above 2 metres. Even though the task is just painting, the scaffold height means this is HRCW. A SWMS is required.
Excavating a trench for a new stormwater pipe at 1.8 metres deep. Excavation deeper than 1.5 metres triggers the excavation category. The trench depth — not the length or purpose — is the trigger. A sole trader plumber installing a stormwater line for a residential client still needs a SWMS.
Removing a load-bearing wall during a kitchen renovation. This is structural alteration or repair that involves a risk of structural collapse. Removing a load-bearing wall without engineering assessment and an activity-specific SWMS is both illegal and dangerous.
Replacing a hot water system that involves working on pressurised gas lines. Work involving gas distribution mains or piping triggers the pressurised gas HRCW category. The plumber needs a SWMS even for a 'simple' hot water unit replacement.
Clearing asbestos-containing materials during a bathroom renovation in a pre-2003 house. Any work involving the likely disturbance of asbestos is HRCW. Even disturbing asbestos sheeting during a renovation requires a SWMS and, depending on quantity and type, a licensed asbestos removalist under the Asbestos Code of Practice.
Accessing a roof cavity for air-conditioning maintenance where the access involves working at 2.5 metres. The maintenance task itself may be quick, but the access to get there triggers the falls category.
The lesson: it is not the complexity of the task or the time it takes that determines whether a SWMS is needed. It is whether any HRCW category is triggered by any part of the work. A five-minute task at 3 metres height needs a SWMS. A five-day task at ground level on a single-storey building may not.
The Decision Tree — Do I Need a SWMS?
Follow this decision tree to determine whether your work requires a SWMS. This tree is deliberately conservative — when the answer is 'maybe', the safer conclusion is always to prepare the document.
Question 1 — Is the work construction work? Construction work includes building, renovating, altering, converting, fitting out, commissioning, decommissioning, demolishing, dismantling, or maintaining a structure, as well as civil works, landscaping if part of construction, and installation of building services. The definition in section 289 is broad, but it excludes testing, maintenance or repair work of a minor nature. If the answer is no — the work is not construction work — a SWMS is not required under the HRCW provisions (but a JSA or risk assessment may still be appropriate under the general duty of care in Section 19 of the WHS Act).
Question 2 — Does the work involve any of the 18 HRCW categories? Review all 18 categories in section 291 of the WHS Regulation 2025 (NSW). The categories cover: falls above 2 metres, telecommunication tower work, load-bearing demolition, likely asbestos disturbance, structural alterations requiring temporary support, confined space entry, excavation deeper than 1.5 metres, tunnelling, explosives, pressurised gas mains, chemical and fuel lines, energised electrical installations, contaminated or flammable atmospheres, tilt-up and precast concrete, traffic corridor work, powered mobile plant, artificial temperature extremes, and work in or near water involving drowning risk. If ANY category is triggered — even one — a SWMS is required. Stop here and prepare your SWMS.
Question 3 — If no HRCW category is triggered, is the work being done on a project where a principal contractor has been appointed? If yes, the PC may still require a documented safe system of work, a JSA, or a site-specific risk assessment as a contractual condition, even though a SWMS is not legally mandated. Contractual conditions can and often do exceed the legal minimum. This is a valid exercise of the PC's coordination duty.
Question 4 — If no HRCW is triggered and no PC requires documentation, do you still want to document the safety plan? Best practice says yes. A JSA or risk assessment demonstrates due diligence and creates evidence that you assessed the risks. If something goes wrong, having documentation — even when it was not legally required — protects you during a WorkCover investigation or civil claim.
The golden rule: when in doubt, prepare a SWMS anyway. The penalty for having an unnecessary SWMS is zero. Not having a required one is an offence. The cost of adapting a ready-made template for the job is small by comparison.