Pool fence height and barrier rules: NSW vs QLD

How high must a pool fence be, and how big a gap is allowed? NSW and QLD both require 1.2m fencing; here is exactly where the rules differ.

Last reviewed July 2026. Pool rules change and vary by council, so confirm the current requirement with your state authority before you act.

Whether a pool passes or fails its safety inspection almost always comes down to four measurements: how high the fence is, how big the gaps are, how wide the non-climbable zone is kept, and whether the gate closes and latches itself. NSW and QLD each publish their own numbers for these, and while the two states land on very similar figures, the wording and a few of the details differ enough to catch an owner out. This page sets out both sets of rules side by side.

Fence height

In NSW, a pool fence must be at least 1.2m high, measured from the finished ground level. If a boundary fence forms part of the pool barrier, that section must be built to 1.8m instead of the standard 1.2m.

In QLD, the fence must be at least 1200mm high at every point along its length, the same base figure as NSW just written in millimetres. Both states also allow a taller 1800mm fence as an alternative way of meeting the non-climbable zone requirement (see below), rather than as a general minimum.

Gaps under and through the fence

NSW does not allow a gap bigger than 10cm at the bottom of the fence, measured from the ground, and does not allow gaps of more than 10cm between any vertical bars.

QLD sets the same ceiling in different units: the maximum gap from finished ground level to the bottom of the barrier is 100mm, and vertical elements such as posts, slats or wires can be spaced no more than 100mm apart. Same number, same idea, just millimetres instead of centimetres.

The non-climbable zone

This is the part inspectors spend the most time on, and the part owners most often get caught out by. In NSW, nothing a child could climb (a pot plant, outdoor furniture, a barbecue, a toy box, a ladder) can sit within 90cm of the barrier, and any horizontal rail on the pool side that could be used as a foothold must be spaced at least 90cm apart.

QLD measures the zone from both sides of the fence: climbable objects must be kept at least 900mm from the outside of the fence and 300mm from the inside. Move the pot plants, garden furniture, air-conditioning unit or trampoline that far back before the inspector arrives, not just clear of the fence line itself.

The 1800mm alternative

QLD sets out an explicit workaround for a tight non-climbable zone: if the fence is at least 1800mm high, you can have a 900mm non-climbable zone from the top of your side of the fence rather than clearing 900mm outside it. This is worth checking if a narrow side yard or a shared boundary makes the standard external clearance impossible.

NSW's 1.8m figure works differently: it applies specifically where a boundary fence forms part of the pool barrier, not as a general alternative to the non-climbable zone. Do not assume the two states' 1.8m rules solve the same problem.

Gates: self-closing and self-latching

A gate that does not close itself is one of the most common reasons a pool fails, in both states. NSW requires the gate to shut automatically from any open position, without having to forcibly close it, and to automatically lock (self-latch) when it closes. It must also swing away from the pool, not into it.

QLD's wording is almost identical: the gate must automatically close and securely latch without being pushed, and it must never be propped open, even for a moment while carrying pool gear inside. A tired spring hinge or a latch that has drifted out of alignment is enough to fail an otherwise sound fence.

Where these numbers come from

Both states build their pool barrier rules on the same national document, the Australian Standard AS1926.1. NSW references it directly: a compliant barrier is one that complies with Australian Standard AS1926, with the exact edition (1986, 2007 or 2012) depending on when the pool was built. Queensland applies the same base standard through its own pool safety standard, so the figures above share a common source, adapted slightly by each state rather than invented separately.

None of this replaces a real inspection. Use the numbers above to check your own fence before you book, then confirm the result with an accredited inspector, since a measurement made by eye is not the same as one made by a certifier with a tape measure and a checklist. Sources: NSW Government, pool barrier compliance and owner obligations; Queensland Building and Construction Commission, pool fences and non-climbable zones.

This is general information, not legal advice. The authorities are NSW Fair Trading and the NSW Swimming Pool Register in New South Wales, and the Queensland Building and Construction Commission (QBCC) in Queensland. Always confirm the current rule for the state your pool is in.