Charlie Martin, The Anti-Greenwashing Campaign
As scrutiny grows, built environment firms are saying less about sustainability. But in an industry where trust must be built deliberately, silence risks more than it protects. Trust is becoming a constraint on what organisations are willing to say.
Across the built environment, expectations have shifted. Clients, investors and regulators are asking more searching questions about sustainability performance, while scrutiny of environmental claims has intensified. What was once accepted at face value is now examined more closely.
The result is a more cautious form of communication. Many organisations continue to invest in sustainability, often significantly. But they are more guarded in how they describe that progress. Claims are narrowed, language is qualified, and in some cases, communication is avoided altogether. This is greenhushing. Not a lack of activity, but a reluctance to articulate it.
At one level, this caution is rational. The risks attached to sustainability claims are more visible than they once were. Challenges can emerge quickly, whether through regulatory action or public scrutiny. In that context, restraint can appear to be the safer course. But what looks like caution is, in part, a response to a more sceptical audience and a lower tolerance for ambiguity. And taken too far, it creates a different problem. Silence does not neutralise risk. It redistributes it.
When organisations say less, stakeholders are left with less to assess. In the absence of clear information, assumptions tend to fill the gap. For marketing teams, this creates a more difficult environment, where perception is shaped without the benefit of clear, consistent narrative. There is also a structural consequence for the industry. The built environment relies on shared progress. Advances in areas such as embodied carbon, materials and energy performance are rarely the result of isolated innovation. They develop through iteration, collaboration and the gradual spread of better practice. When organisations hold back from communicating what they are doing, that process becomes less visible and less effective.
Greenhushing, then, is not simply a communications issue. It reflects a broader tension between scrutiny and transparency. For marketing and communications professionals, this changes the task. The question is no longer only how to present sustainability credentials, but how to do so in a way that can withstand scrutiny and build trust over time.
That requires a more deliberate approach. Trust is not built through volume of communication, but through its consistency and credibility. In practical terms, that means being clear about what can be evidenced, precise in how claims are framed, and open about scope and limitation. It also requires alignment between those developing sustainability strategies and those responsible for communicating them.
This is where many organisations encounter difficulty. Sustainability data can be incomplete, methodologies continue to evolve, and the pressure to demonstrate progress remains high. Without a clear framework, communication becomes uneven. Some claims are overstated. Others are withheld.
A more structured response is beginning to take shape. Green Claims Policies are emerging as a way to bring consistency to sustainability communication. They define what constitutes a credible claim, the level of evidence required, and how information should be presented. Just as importantly, they align teams. Marketing, sustainability and legal functions operate from the same set of principles, reducing uncertainty and improving decision making.
This does not eliminate risk. But it makes it more manageable. It also changes the internal dynamic. Instead of asking whether a claim feels safe, teams are better placed to assess whether it is accurate, proportionate and clearly framed. That shift, from instinct to judgement, is subtle but significant.
For the built environment, this reflects the nature of the work itself. Progress is often incremental and technical. It does not always lend itself to simple claims. But it can be communicated with precision, provided there is clarity about what is being said and why. Over time, that precision does more than inform. It builds trust.
The organisations navigating this most effectively are not those saying the most, but those communicating with discipline. They are clear about what they can evidence, measured in how they present it, and consistent in their approach.
Greenhushing may be an understandable response to increased scrutiny. But it is not a sustainable position for an industry that depends on transparency and shared learning. If trust is now the starting point, then communication cannot be avoided. It has to be approached with greater intent. A clear Green Claims Policy offers one practical way forward. It allows organisations to communicate with confidence, reduce the risk of misstatement, and contribute more openly to the collective progress of the built environment.
Download the Greens Claim Policy template from The Anti-Greenwash Campaign here