The Gold Coast skyline and coastline, PVC fencing delivered from Coomera to Currumbin.

PVC Fencing
Mermaid Waters.

4218

A canal estate where the back fence sits at the water's edge on almost every block, and the brackish-mist corrosion case writes itself.

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Mermaid Waters

Mermaid Waters is the original canal estate of the central Gold Coast, built out across the 1970s and 1980s by dredging the natural drainage between Mermaid Beach and the Nerang River. The suburb is laid out as a series of fingers, each block running between a quiet residential street and a navigable canal at the rear, with private pontoons and stepped revetment walls along the water edge. The single largest fence in almost every Mermaid Waters house brief is the rear boundary at the canal, and the conditions there are some of the harshest on the Gold Coast for fencing materials. The water is brackish, partly tidal and partly stormwater-fed, and the prevailing easterly carries a fine saline mist off the canal surface that coats every boundary structure within five metres of the water. PVC has no equivalent corrosion clock to Colorbond on these runs, and is now the default specification for canal-edge boundary fencing in the suburb.

Mermaid Waters streetscape

How Mermaid Waters fences.

Detached canal blocks

The Mermaid Waters housing stock is overwhelmingly detached single-family, late 1970s through to mid 2000s, on lots of 600 to 900 square metres with a wide street frontage and the rear yard sloping gently down to the canal edge. The original 1970s and 1980s houses were brick-and-tile single-storey, often with a small lap pool between the house and the water. Renovation activity from the 2000s onwards has added a second storey on many of the original houses, or replaced them entirely with two-storey contemporary builds.

Boundary conditions

The canal-edge boundary on most blocks consists of a revetment wall (rock or concrete sheet piling) at the waterline, with the actual dividing fence, defining the rear boundary of the property, set back a short distance from the wall on solid ground. Side boundaries between neighbours are level, typically 25 to 30 metres long, and easy to fence cleanly.

The replacement wave

The replacement-driver pattern in 2026 is the wave of original 1980s fences that are now thirty-five-plus years old: rusted-through Colorbond at the canal edge, rotted-out timber paling on the sides, and a handful of original aluminium tube fences that have corroded at the joints.

PVC fencing considerations for Mermaid Waters

Approvals & heights

Mermaid Waters is regulated by the City of Gold Coast under City Plan 2016. Side and rear dividing fences up to two metres are accepted development; above two metres the Queensland Building Act 1975 applies.

Waterfront provisions

The canal-edge frontage carries additional considerations: the City Plan 2016 includes waterfront and foreshore provisions which apply to structures within a defined distance of the canal edge in some precincts, and which can restrict the height and opacity of a boundary fence at the rear if visibility to the water is a streetscape value. For a like-for-like replacement at the existing alignment and height the work is normally accepted development; for a new fence, an increased height, or any change to the alignment relative to the revetment wall, confirm with the City of Gold Coast or a private certifier before ordering.

The corrosion case

The structural case for PVC here is overwhelming. The brackish saline mist drifting off the canal surface puts Colorbond on a five to twelve year corrosion clock at the canal edge, and on a ten to twenty year clock along the side runs that catch the same easterly drift. PVC is unaffected by chloride; the limiting factor is UV stability, which is engineered into our material for the full Queensland exposure across 25-plus years. The standard canal-edge specification we quote is the Ascot 1.8 metre with galvanised aluminium reinforcement inserts in the corner and end posts.

The Collection

Five ranges, delivered to Mermaid Waters.

Every PVC fencing range is available in Mermaid Waters — supply only, or supply and install. Every price includes GST.

Delivery

Delivered to Mermaid Waters.

We deliver PVC fencing to Mermaid Waters and every other Gold Coast suburb. Each order is palletised for safe transit and needs someone on site to receive it.

Estimated delivery
3-5 business days metro, 5-7 days hinterland

Pricing

Pricing for Mermaid Waters.

Prices are identical across every Gold Coast suburb — there is no location surcharge for Mermaid Waters. What you see online is what you pay, GST included.

Read the full cost guide

Questions

PVC fencing Mermaid Waters, answered.

Why does Colorbond corrode so quickly on a Mermaid Waters canal back when it lasts longer on an inland Gold Coast block?
The corrosion driver is chloride aerosol, fine droplets of saltwater carried by air movement off the canal surface. Brackish canal water in Mermaid Waters carries a significant chloride load because of tidal exchange with the Nerang River system, and the rear boundary sits five metres or less from the water surface on most blocks. The result is a near-continuous deposition of salt on the fixings, cut edges, and any minor coating damage. Most Colorbond warranties tighten significantly within set distances of saltwater bodies and explicitly exclude or reduce coverage in environments that match the Mermaid Waters canal edge. PVC has no chemical mechanism by which chloride degrades it.
Can I put a 1.8 metre solid fence right along the canal edge?
Usually yes for a like-for-like replacement at the existing alignment, but the rear canal frontage is one of the few places in the suburb where the City Plan 2016 waterfront and foreshore provisions can apply. The relevant question is whether the fence is within the foreshore setback for the canal in your precinct, and whether the local code prefers a partially transparent treatment at the water edge to preserve streetscape views across the canal network. If your existing fence is 1.8 metre solid PVC or Colorbond at the same alignment, like-for-like replacement is normally accepted development. For a new boundary, an increased height, or any change to alignment relative to the revetment wall, confirm with the City of Gold Coast or a private certifier first.
How do PVC posts hold up at the canal edge where the ground is sometimes saturated?
PVC itself is inert to canal water; chloride and freshwater both have no effect on the polymer. The footing detail is what matters. The standard installation sets the post in a concrete footing at 600 millimetres depth minimum, well above the typical canal water level on a Mermaid Waters revetment-walled block. Where the ground behind the revetment wall is consistently soft or saturated we increase the footing depth to 750 millimetres and specify galvanised aluminium reinforcement inserts in the post itself, which carries the lateral wind load from the canal-side easterlies. We have never had a Mermaid Waters canal-edge post fail at the ground line.
What is the fence approval process if my neighbour's block is held by a trust or a deceased estate?
The Notice to Contribute under the Neighbourhood Disputes (Dividing Fences and Trees) Act 2011 (Qld) goes to the legal adjoining owner as shown on the title. For a property held in a trust, the Notice goes to the trustee. For a deceased estate, the Notice goes to the executor named in the grant of probate, or to the public trustee if no grant has yet been made. This adds time (typically four to ten weeks before you have a usable response), and we have quoted several Mermaid Waters jobs where the right approach is to proceed at the owner's sole cost rather than wait, and recover the share later through the QCAT process if the executor disputes it.
Should the canal-edge fence be the same height as the side fences?
Not necessarily. Many Mermaid Waters blocks pair a 1.8 metre solid privacy run on the side boundaries with a lower or partially transparent design at the canal edge to preserve the water view from the house and from the rear yard. The Oxford semi-privacy at 1.5 metres works well at the canal edge for this purpose: it provides visual screening from the canal walking traffic at deck height while leaving the upper view to the water open from inside the house. The Ascot at 1.8 metres remains the right pick on the side boundaries where the priority is privacy from immediate neighbours.

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