Main Arm planning overlays
A planning-constraint profile of Main Arm (Byron, NSW) - 25.72 km², mapped from live council and state overlay data. This suburb is highly constrained.
Constraint readout
25.72 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Main Arm's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Main Arm at a glance
How Main Arm is zoned
Across its 25.72 km², Main Arm is highly constrained by planning overlays. Very little of the suburb carries a mapped flood overlay, and 100% is flagged bushfire-prone. There are 2 heritage-listed sites on record, and the dominant land-use zone is Rural Landscape. The median lot measures about 20,888 m² across 232 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Check a specific Main Arm address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Main Arm planning - frequently asked
Is Main Arm flood-prone?
Very little of Main Arm carries a mapped flood overlay. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Main Arm bushfire-prone?
Yes - around 100% of Main Arm is mapped as bushfire-prone, compared with a Byron average of 94%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Main Arm?
The dominant planning zone in Main Arm is Rural Landscape, though the suburb also includes Environmental Conservation and Primary Production. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Main Arm have heritage-listed places?
Main Arm has 2 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Main Arm?
Across 232 surveyed parcels in Main Arm, the median lot size is about 20,888 m². There are also 13 registered easements mapped in the suburb - an easement can restrict where you can build, so always check the title and overlays for the specific lot.
Do I need a planning report for a Main Arm property?
A Main Arm planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.