Having a statutory obligation to produce printed materials for your audience(s) doesn’t mean that you have to print (and pay for, and post, and store until it’s out of date, and then try and dispose of) vast quanties of materials. A simple analysis of your audience should help determine quantities. For example, statutory agencies produce a wide variety of reports for professional audiences who are fully reliant on digital technologies. This reliance may make it possible to make paper-based formats an exception rather than an accepted norm.
Why not print a Plain English executive summary and distribute that, with the full report available online and as a PDF? A dynamic PDF (better for ease of search, navigation and accessibility) is much easier to circulate and store than a redundant number of printed copies — as well as saving money which can be spent on other formats. How about setting up a simple print-and-bind-on-demand system in the organisation or Department?
Oh yes, and you'll save on paper waste and conserve trees too.