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Acceptable & Unacceptable Workplace Behaviours in Australia: What Works & What Wears Down Culture

Wondering when is the ideal moment to shoot off email newsletters this year? We often hear this question, so we delve into the information to provide some insights and discover solutions.

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Workplace Behaviours in Australia, Why it Matters

When you look at workplace Behaviours in Australia, it’s no surprise that every workplace has “that person.” You know the one, the colleague who remembers birthdays, brings cake, and makes everyone feel included. Then there is the other kind, the eye roller in meetings, the office gossip, or worse, the serial interrupter who thinks your sentence is theirs to finish.

The truth is, how we behave at work is not just about quirks and personalities. Behaviour sets the tone for culture, affects psychological safety, and directly impacts performance. Respectful, inclusive environments give people the confidence to share ideas, challenge assumptions, and work together. On the flip side, workplaces that tolerate aggression, hostility, or exclusion quickly become breeding grounds for mistrust and burnout.

Safe Work Australia does not mince words either. Violence, harassment, and aggression are recognised psychosocial hazards, not just awkward team dynamics. To build thriving cultures, Australian businesses need to draw a clear line between what is acceptable and what is absolutely not.

How Common Are Unacceptable Behaviours?

Unfortunately, bad behaviour at work is far too common. Around 14.5% of Australian workers experience bullying every year. In industries such as hospitality, the numbers climb dramatically, with more than half of women reporting harassment. Some victims are barely old enough to work, as young as 14.

The Australian Human Rights Commission reports that 41% of women and 26% of men faced sexual harassment in the workplace in just the last five years. Even in the Australian Public Service, often held up as a model employer, nearly one in ten employees reported bullying or harassment in 2024. This is clearly not just an occasional bad apple problem.

Why Bad Workplace Behaviours in Australia Costs More Than Morale

A snide remark here, a bit of gossip there, it might seem harmless, but the ripple effects are anything but. In healthcare, a staggering 93.6% of staff reported some form of unprofessional behaviour in the past year, and nearly 40% said it happened weekly. Weekly. That is less a toxic incident and more a recurring calendar invite.

The fallout is predictable. Stress spikes, morale plummets, absenteeism rises, and turnover becomes a revolving door. And let us not forget the financial damage. Research shows that improving a workplace’s psychosocial safety climate, in plain terms making people feel safe,

reduces depression, job strain, sick leave, and even cuts presenteeism by more than 70%. Translation, fewer people staring blankly at their screens pretending to work.

Acceptable vs Unacceptable Behaviours

So, where is the line?

Unacceptable behaviours include bullying, harassment, exclusion, verbal abuse, gossip, unfair treatment, intimidation, and sabotage whether subtle or obvious. These are productivity’s kryptonite. They erode trust, stall collaboration, and if ignored, escalate into cultural and legal disasters.

Acceptable behaviours, on the other hand, look refreshingly simple. Respect, inclusion, collaboration, constructive feedback, and good communication. These are the habits that create an environment where people feel safe, valued, and motivated. In short, they are the workplace behaviours in Australia that make Monday mornings less dreadful.

If you are looking for ways to help your teams set clear boundaries, programs like Blueprinting Acceptable & Unacceptable Workplace Behaviours in Australia offer practical, hands on tools to make those expectations clear.

Lessons from the Rio Tinto Example

Take Rio Tinto. When the company overhauled its culture, reports of bullying and harassment increased. At first glance, this sounds like failure. In reality, it meant people finally felt safe enough to speak up. If employees believe their voices will be heard, even if what they have to say is uncomfortable, that is progress.

How to Prevent Unacceptable Workplace Behaviours in Australia

Stopping unacceptable behaviours is not about a one-off seminar with stale muffins and a PowerPoint deck. It is about ongoing commitment. Tailored training such as Creating a Positive CultureEmotional Intelligence Training, and Accountability in the Workplace helps reinforce respect, empathy, and responsibility. These initiatives make it clear that behaviour is not optional, it is part of the job description.

Embedding Long Term Behavioural Change

Real change does not happen overnight. It happens when expectations are baked into daily practices. Micro learning, toolbox talks, and transparent reporting systems help reinforce boundaries. Most importantly, leaders must walk the talk. When managers consistently model respect and accountability, it signals to everyone that the organisation is serious. Culture stops being a laminated values poster in the lunchroom and becomes part of how work gets done. For teams looking to embed this shift, Culture Change Programs are a powerful way to turn values into action.

Culture Is Built on Behaviour

At the end of the day, acceptable versus unacceptable workplace behaviour is not just a policy issue. It is the heartbeat of workplace culture. Bad behaviour drains energy, destroys trust, and costs businesses dearly. Respectful behaviour fuels inclusion, innovation, and performance.

Australian organisations that establish, uphold, and exemplify standards of acceptable conduct will not merely endure, instead they will prosper. After all, a workplace where the most pressing concern is whether Friday’s team lunch is sushi or pizza is one in which people genuinely want to belong.

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Niall Kennedy
Author Niall Kennedy is an experienced workplace trainer and facilitator specialising in leadership development, communication skills, and organisational capability building. With a strong background in delivering practical, evidence-based training, Niall works closely with organisations to design and deliver workshops that address real-world workplace challenges. His facilitation style focuses on clarity, engagement, and actionable learning outcomes that support sustainable behavioural change in teams and leaders.
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