Are Retaining Walls a Hidden Risk on NZ Properties?
A Practical Guide for Auckland Homeowners — by Evergreen Group Retaining walls are one of the most common structural features on Auckland properties, especially in suburbs built on slopes or uneven sections. They keep soil in place, create usable flat areas, and support landscaping projects. But despite how essential they are, many homeowners don’t realise that retaining walls can also become hidden risks —financially, legally, and structurally—if not built or maintained properly. At Evergreen Group, after 10+ years of working across Auckland’s gardens and landscapes , we’ve seen the good, the bad, and the very costly. This article will help you understand the risks most homeowners never think about—and how to avoid them. 1. The Surprise Nobody Wants: Failing Retaining Walls Auckland’s weather patterns—heavy rainfall, clay-rich soil, and sudden downpours—put enormous pressure on retaining structures. From our experience, the #1 cause of retaining wall failur...