Pool Fence Height Requirements in Victoria
If you're trying to work out whether your pool fence is the right height for a Victorian compliance inspection, this guide gives you the numbers and the simple self-check. If you'd rather skip the measuring and just have us tell you — that's what we do. We inspect the barrier, take care of minor repairs where needed, supply your Form 23 Certificate of Pool Barrier Compliance, and lodge it with your council for you. Simple and stress-free. You don't deal with council. You don't fill in a form. You don't chase paperwork.
What we handle for you
- We inspect the pool or spa barrier
- We handle minor repairs and adjustments on the spot where possible
- We supply your Form 23 Certificate of Pool Barrier Compliance
- We lodge it directly with your council
What you handle
Answering the door.
The numbers — all of them
For a typical residential pool fence in Victoria built or modified under the current AS1926.1 standard:
- Minimum fence height: 1,200mm measured from the finished ground level on the outside of the pool area to the top of the fence.
- Maximum gap under the fence: 100mm between the ground and the bottom of the fence.
- Maximum vertical gap between pickets or panels: 100mm.
- Minimum height of the non-climbable zone: 900mm, measured from any climbable surface outside the fence.
- Latch release height (on the gate): at least 1,500mm above ground level — or 1,400mm above any climbable surface within 900mm of the latch.
A few of these — height, gap, latch height — sound obvious. The one that catches people out is the finished ground level clause, because it changes depending on what's outside your fence.
The "finished ground level" rule
Your fence height isn't measured from the bottom of the fence post. It's measured from the finished ground level — the actual surface someone could stand on next to the fence.
That means:
- If you've built up the garden, retaining wall or paving on the outside of the fence since it was installed, you may have reduced the effective fence height.
- If you've added a planter box, a deck or a step right next to the fence, the height to clear is now measured from the top of that surface — not the original ground.
- If your neighbour has built up their side of a shared boundary fence, your fence height might no longer comply on that side.
The fix is usually one of: lower the surface next to the fence, raise the fence, or move whatever's next to it. We talk you through what's quickest and cheapest at the inspection.
The 100mm gap rule (it's stricter than people think)
The 100mm rule sounds simple — and it is, until you start checking gaps you hadn't thought of.
Where the 100mm gap rule applies:
- The gap between the bottom of the fence and the ground.
- Every vertical gap between fence pickets, panels or balusters.
- Any gap in the gate, including under it.
- Any opening at the corners where two fence sections meet.
- The gap between the latch and the gate at any point in its travel.
A 100mm gap is roughly the width of a child's head. That's the safety logic. In practice, the gap you're most likely to fail on is the one under the gate — fences settle, gates sag, the gap opens up over time.
For the gate-specific rules, see Self-Closing Pool Gate Requirements (Victoria) — gates are the most common reason pools fail an inspection.
How to self-check before you book
If you want a rough read on your fence height before you commit to a full inspection, here's a 10-minute self-check.
You'll need: a tape measure (at least 2m), and someone to hold the other end if your fence is tall.
- Walk the perimeter of the pool area on the outside. Note any spot where the ground level changes — paving, garden beds, retaining walls, decks.
- Measure from the finished ground level to the top of the fence at any low spot. If anywhere reads under 1,200mm, the fence is too short at that point.
- Measure the gap under the fence — if anywhere is more than 100mm, that's a fail.
- Stand back and look for climbable features within 900mm of the fence outside — pot plants, BBQs, AC units, built-in seating, horizontal fence rails on the neighbour's side. Anything climbable in that 900mm zone is the same as raising the fence base — it reduces your effective height.
- Check vertical gaps between pickets at three random points along the fence. If a fist fits through, the gap is probably too wide.
- Check the gate — does it self-close from any position, including resting against the latch? Does it self-latch every time?
If anything fails this self-check, you've got a few options before booking the full inspection — keep reading.
What if your fence is too short or too gappy?
Don't panic. Most fence height and gap issues fall into one of three fixes, in order of cost:
- Move what's outside the fence. If the problem is finished ground level (paving, garden, planter), the cheapest fix is usually to move or lower the surface rather than raise the fence.
- Adjust or add to the existing fence. Adding an extension panel, replacing a section, or fixing a gap is often manageable.
- Replace the section. If the fence is old, weathered or built to a previous standard, replacing the non-compliant section may be the best long-term move.
You don't have to figure out which option applies. The simplest path is to book a $99 + GST FaceTime consultation — we look at the barrier with you on camera, give you a plain-language verdict, and tell you exactly what's needed (and what it will cost) before you commit to anything bigger. The $99 is credited toward the full inspection if you book within 30 days.
For anything bigger than a gate adjustment, we coordinate the right trade on your behalf and re-inspect at no extra charge once the work is done. You don't chase quotes. You don't manage trades. You don't book a second inspector.
What about pre-1991 pools?
The 1,200mm rule applies to barriers built or modified under the current AS1926.1 standard. Older pools — especially pre-1991 pools — are assessed against the version of the standard that applied when the pool was built or last permitted. The exact dimensions can differ.
Don't assume your older pool is grandfathered in. The four-year compliance certificate obligation applies to every pool with water depth over 300mm, regardless of when it was built. The standard applied may be different — the obligation is the same.
See Pre-1991 Pools — How Compliance Works for Older Properties for the detail.
Frequently asked questions
What is the minimum pool fence height in Victoria? 1,200mm, measured from the finished ground level outside the pool area to the top of the fence.
What's the maximum gap under a pool fence in Victoria? 100mm — between the bottom of the fence and the ground, and at any point along the gate.
Does the fence height include the finished ground or the original ground? The finished ground — whatever surface is actually there now. Paving, garden, decking and planter boxes all count.
How far away from the fence do climbable items need to be? At least 900mm, measured horizontally from the fence. This is the non-climbable zone. (See Non-Climbable Zones — The Most-Missed Pool Fence Rule.)
My fence is just under 1,200mm. Will it fail? Almost certainly, yes — though the fix may be as simple as removing what's been built up next to it. Book a $99 + GST FaceTime and we'll tell you the cheapest path.
Do glass pool fences have different height rules? The 1,200mm minimum applies to glass too, but glass introduces some specific NCZ and latch considerations. See Glass Pool Fence Regulations Victoria.
Ready to get it sorted?
- Not sure if your fence height passes? Book a $99 + GST FaceTime consultation — we'll tell you in 30 minutes.
- Confident it's compliant? Book a $299 + GST full inspection and Form 23 lodgement.
- Just the gate is the problem? $199 + GST gate service — most jobs done within 60 minutes on-site.
Or call 0438 383 752. Either way, the inspection, the certificate, the council lodgement, and everything in between is on us. Simple and stress-free.
Related guides
- Pool Fence Regulations Victoria: The Complete Guide — the cornerstone.
- Self-Closing Pool Gate Requirements (Victoria).
- Non-Climbable Zones — The Most-Missed Pool Fence Rule.
- Glass Pool Fence Regulations Victoria.
- Pre-1991 Pools — How Compliance Works for Older Properties.