Retaining Walls in Invermay
Invermay is flat ground on a floodplain at the junction of three major rivers, and the State Emergency Service describes it as one of the most flood prone areas in Tasmania. A wall here is more likely to be a question about fill and flood flow than about a slope. The planning scheme's flood code, not its landslip code, is the one mapped over part of Invermay, and no landslip band is mapped across almost all of it.
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Retaining Walls around Invermay
The State Emergency Service's Invermay flood guide, read 6 October 2026, says Invermay and Inveresk are one of the most flood prone areas in Tasmania, being on a floodplain at the junction of three major rivers. It says major flooding of the South Esk River is the greatest risk to Invermay, with a combined South Esk and North Esk flood event increasing the risk, and that levees help protect properties around Invermay, though there is no guarantee they can withstand a major flood. The guide does not mention retaining walls, and nothing here says that a flood guide changes what a wall needs.
In our own overlay of the LIST layers, read 6 October 2026, part of Invermay lies in the planning scheme's Flood-prone Hazard Areas overlay and almost none of it in a landslip band. The flood code's purpose, in the planning scheme's words, is "To preclude development on land that will unreasonably affect flood flow or be affected by permanent or periodic flood." Whether a retaining wall, or fill raised behind one, counts as development under that code is not something we read, so ask the City, using PlanBuild Tasmania's planning enquiry for your property.
Permits and City of Launceston rules
Whether a retaining wall here needs any approval is for the City to say. The State's Determination says a low-risk wall must comply with its Standard Limitations, which include work in natural Hazard Areas (landslip and flooding are both named), and that some low-risk work is elevated to Notifiable Work in hazardous areas. It points to separate Determinations for what those areas require, which we have not read, so this page cannot say what a mapped band changes for a wall. The City of Launceston asks you to contact its Council Building Department before commencing any building or plumbing work. Mineral Resources Tasmania says its landslide maps are not intended to be used for making development decisions on a block-by-block basis in the absence of a suitable geotechnical report.
Source: Director of Building Control, Determination v1.4 (12 March 2021); City of Launceston, Building Permits and Planning; Mineral Resources Tasmania, Landslide mapping; read 6 October 2026. — confirm current requirements with City of Launceston.
Our Invermay service area
An enquiry from Invermay is passed on to an independent qualified provider, who gets in touch to look at the job.
See all Retaining Walls in Launceston. We also work in Mowbray, Mayfield, Newstead and East Launceston, among the other areas we list. Related pages: retaining walls, retaining wall height and approval, planning and hazard areas, who may build a retaining wall and drainage and digging.
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