Penetration collars fixed through the mesh before concreting

Northern Beaches · AS 3660.1

Pre-Construction Termite Barriers Palm Beach

Perimeter barriers and under-slab systems installed before the pour on Palm Beach blocks running from the Pittwater side to the ocean, including holiday homes near Barrenjoey Headland.

Postcode2108
DistrictNorthern Beaches
From the CBD31.5 km north
CouncilNorthern Beaches Council

Quick answer

Yes. Palm Beach sits at the end of a termite-prone peninsula bordering Ku-ring-gai Chase National Park, so new homes and rebuilds need an NCC termite management system installed to AS 3660.1. Collars and under-slab work go in before the pour. The durable notice for the meter box and an installation certificate for Northern Beaches Council are both needed before the Occupation Certificate.

Termite barriers in Palm Beach

Why Palm Beach builds need the barrier in before the pour

Palm Beach sits at the northern end of the Barrenjoey Peninsula, about 31.5 km north of the CBD in postcode 2108 and Northern Beaches Council. Pittwater lies to the west, the Tasman Sea to the east and Broken Bay to the north, with Barrenjoey Headland and its working lighthouse forming part of Ku-ring-gai Chase National Park. Homes here range from early cottages to large estates, and many are holiday or second homes rather than full-time residences. Our work spans both new builds on the larger estates and rebuilds on the suburb's older cottages.

Holiday homes left empty for weeks at a time change what a termite barrier needs to achieve, because there is no one on site to notice early activity the way an owner-occupier would. Termites, along with possums and other unwanted visitors, can settle in unnoticed for far longer in a house that only sees occasional weekends. Steep blocks running down toward the bush and sandstone of Ku-ring-gai Chase National Park also suit established colonies, while salt spray and sea breezes off both the ocean and Pittwater keep timber and sub-floors damper than they would be further from the coast.

Reviewed by Ismail, founder · Northern Beaches coverage · Updated September 2026 · More Northern Beaches suburbs

Get my fixed quote
Pipe penetrations sealed into the termite barrier membrane
Pipe penetrations sealed into the termite barrier membrane — one of our own Northern Beaches installations.

Local conditions

What makes Palm Beach blocks a termite risk

Three things push termite risk higher on a Palm Beach property than on an equivalent inland block.

Holiday homes left unoccupied

With many Palm Beach properties used as holiday or second homes, activity can go unnoticed for far longer than in a house lived in every day. We recommend a fully documented, compliant system from the start, since there is no owner on site to catch early signs between visits.

Bushland toward Ku-ring-gai Chase

Barrenjoey Headland and the surrounding bushland form part of Ku-ring-gai Chase National Park, where established colonies forage through fallen timber and sandstone crevices. Blocks near that edge get a full perimeter system, with extra care at any junction where the slab steps down the slope.

Salt air and sea breezes

Sitting between Pittwater and the ocean means Palm Beach properties take salt spray and sea breezes from both directions, which keeps timber and sub-floor areas damper than an inland block. That moisture is exactly what draws subterranean termites toward a slab, so drainage and the slab edge get extra attention here.

What we install here

Building in Palm Beach

We work on Palm Beach new homes, estate rebuilds and renovations to older cottages, on both the Pittwater and ocean sides of the peninsula. Suspended floors and piers are common where blocks fall steeply toward the water, alongside waffle pod slabs on the more level pads. You get one fixed written quote from the plans covering every stage, and we can schedule regular follow-up checks for owners who are not at the property often, alongside the initial pre-construction barrier.

  • Under-slab membraneA termite-resistant sheet laid across the prepared ground before the pour.
  • Penetration collarsCollars sealed to every pipe and conduit that comes up through the slab.
  • Perimeter & slab edgeA barrier at the slab edge and into the cavity, so nothing can track up hidden.
  • Chemical soil barrierAn APVMA-registered treated zone in the soil under and around the building.
  • ReticulationA pipe network laid before paving so the treated zone can be topped up later.
  • Piers & suspended floorsProtection for bearers, piers and suspended timber floors on sloping blocks.

Local knowledge

Around Palm Beach

Most of our Palm Beach work sits near Wiltshire Park and McKay Reserve, where bushland toward Barrenjoey Headland shapes how far the perimeter needs to extend, and along the ocean side near Sandy Beach, where salt-laden air keeps timber and sub-floors damp. Estates closer to the Pittwater side get more attention on boat sheds, decks and any timber close to the tide line.

Palm Beach falls under Northern Beaches Council for certification, and the checklist before an Occupation Certificate is issued includes a durable meter-box notice and a certificate from the installer covering the products, the coverage and the licence held. On a holiday home or a full-time residence alike, we prepare both the moment our stage of the Palm Beach work is done.

Slab date locked in?Tell us the pour date and we will book the stages around your builder.

Palm Beach at a glance

Termite barrier facts for Palm Beach

SuburbPalm Beach, NSW 2108
DistrictNorthern Beaches
Distance from Sydney CBD31.5 km north
Certifying councilNorthern Beaches Council
Standard appliedAS 3660.1 termite management systems
InstalledBefore the slab pour, then staged through the build
Documents suppliedInstallation certificate and durable notice
Typical builds coveredNew homes, knockdown rebuilds, granny flats, duplexes, townhouses

Systems we install

The right barrier for your slab and your site

Every photo below is from one of our own Sydney jobs. We look at your slab design, site and budget, then recommend a system or a combination.

Physical termite barrier laid over the slab preparation01

Under-slab membrane

A termite-resistant sheet laid over the whole prepared footprint before concreting, so termites can't come up through the slab anywhere.

Penetration collars fixed through mesh before concreting02

Penetration collars

A sealed collar on every pipe, conduit and service that passes through the slab. These gaps are the most common hidden way in.

Completed slab with a perimeter termite barrier in place03

Slab edge & cavity barrier

Protection at the slab edge and into the wall cavity, which stops termites building hidden tunnels up the outside of the slab.

Chemical soil barrier applied along a brick footing04

Chemical soil barrier & reticulation

An APVMA-registered termiticide zone in the soil, with an optional pipe network under paving so it can be recharged later without digging.

Termite barrier beneath a suspended timber floor05

Suspended floors & piers

Barriers for bearers, piers and raised timber floors on sloping or elevated blocks, where there's no slab to protect.

Perimeter barrier run against a sandstone wall06

Retaining walls & tricky sites

Detailing for sandstone cuts, block retaining walls, step-downs and cut-and-fill sites, which are common across Sydney.

Why during construction

Do it now, or pay more to do less later

A retrofit can only treat around a finished house. A pre-construction system protects the parts nobody will ever be able to reach again.

Costs far less

A barrier put in during the build costs a fraction of a post-construction system, and far less than repairing termite damage.

Meets the NCC

New houses (Class 1) and outbuildings (Class 10) with termite-susceptible framing need a compliant termite management system.

Hidden gaps sealed

Pipe penetrations and slab joints can only be fully protected while they're still open, before the concrete goes in.

The whole footprint

An under-slab system covers ground that no treatment from outside the finished house can ever reach.

No OC delays

Your certifier needs the certificate and durable notice before issuing the Occupation Certificate. We supply both together.

Easier to sell

Documented, compliant protection gives buyers, building inspectors and lenders confidence when the home is sold.

Installation stages

Installed in stages that follow your build

A termite barrier isn't a single visit. Each part goes in when the site is ready for it, and we fit around your plumber, concreter and bricklayer.

Waterfront building site ready for pre-construction termite protection
Step 01Design / DA

Plans & fixed quote

Send your plans and slab details. We recommend a system and give you one fixed price that covers every stage.

Service penetration collars set out through the reinforcement mesh
Step 02Before the pour

Collars & under-slab

Collars go on every service once the plumber has set out, then the membrane or soil treatment is installed across the prepared site.

Perimeter barrier in place as framing begins
Step 03Walls going up

Slab edge & cavity

Perimeter and cavity protection is fitted as the brickwork or cladding goes up, so there's no unprotected gap at the slab edge.

Perimeter barrier on a new build in a Sydney estate
Step 04Before landscaping

Final perimeter

Where it's specified, the chemical perimeter or reticulation system is completed around the building before paths and gardens go in.

Barrier membrane visible along a finished slab edge
Step 05Pre-OC

Notice & certificate

A durable notice goes in the meter box, and the installation certificate goes to your builder and certifier.

Finished slab with a continuous perimeter barrier
Step 06Handover

Owner advice

The owner gets simple care instructions and an inspection schedule so the system keeps doing its job for years.

Compare systems

Physical or chemical termite barrier?

Both can meet AS 3660.1. The best choice depends on your slab type, what surrounds the house and how much ongoing upkeep the owner wants.

Physical protection

Physical membrane, mesh or graded stone

No chemicals
  • How it worksA layer termites can't chew through, laid under the slab or around its edge.
  • Life & upkeepDesigned to last as long as the slab while it isn't disturbed. No top-ups.
  • Good fit forSlab-on-ground homes, and owners who prefer a non-chemical option.
Get this quoted Natural, lasting defence

Entry-point protection

Penetration collars

  • How it worksCollars sealed around each pipe and conduit that passes through the slab.
  • Life & upkeepLong-lasting when fitted properly before concreting.
  • Good fit forEvery slab, usually paired with a perimeter system.
Get this quoted Small detail, big difference

Soil protection

Chemical soil barrier

  • How it worksA treated zone of termiticide in the soil under and around the building.
  • Life & upkeepDepends on the product label and soil conditions. Can be re-applied.
  • Good fit forTighter budgets and some complex sites.
Get this quoted Flexible and provable

Top-up protection

Reticulation system

Rechargeable
  • How it worksPipes laid before paving so termiticide can be pumped back into the soil.
  • Life & upkeepCan be recharged for the life of the building without lifting paths.
  • Good fit forHomes that will be surrounded by paving or landscaping.
Get this quoted Protection you can renew

Most of the Sydney builds we work on use a combination: physical collars on every penetration plus a physical or chemical perimeter.

Our technician installing a pre-construction termite barrier
Our technician installing a perimeter barrier on a live Sydney site.

For builders & developers

Built around your program, not ours

Builders, developers and owner-builders get a fixed quote from plans, a technician who turns up when the site is ready, and paperwork that never holds up sign-off.

What we need to quote

Architectural or slab planSlab type: raft, waffle pod or suspendedSite addressRough pour dateRetaining wall & step-down details

Fitting in with your trades

  • Collars in before the pour inspection
  • Slab edge & cavity as walls go up
  • Perimeter done before paving

Multi-unit & repeat work

Consistent pricing across lots, one point of contact and a full document set for every dwelling.

No certification delays

Missing durable notices and unclear install records are a common reason Occupation Certificates get held up. We hand everything over together so your certifier has it all in one go.

Paperwork

Everything you get at handover

A complete document set for the builder, the certifier and every future owner of the property.

Durable notice

A permanent notice in the meter box showing the system, install date, installer, any chemical's life expectancy and inspection advice.

For: certifier, owner, future owners

Installation certificate

Written confirmation of the system and products used, the areas protected and our licence details.

For: builder, certifier, owner

Product information

Details of the physical system or termiticide installed, including safety data sheets for any chemicals.

For: builder, owner

Care & inspection advice

How to keep the system working, plus the recommended inspection frequency under AS 3660.2.

For: homeowner

Google reviews

What Sydney clients say about us

Real, verified reviews from homeowners and businesses we've worked with.

5.0
Read our reviews on Google
View

Pricing

What sets the price of a barrier

Every build is different, so we don't guess. We price from your plans and give you one fixed written quote. Quoting is free.

  • 01
    Slab area & perimeterBigger footprints need more material, more edge protection and more labour.
  • 02
    System typeFull under-slab, perimeter-only, chemical and reticulation options are all priced differently.
  • 03
    Number of penetrationsEach plumbing and electrical service through the slab needs its own collar.
  • 04
    Site complexityRetaining walls, step-downs, sandstone and suspended floors add detailing.
  • 05
    Number of visitsStaged installs follow your program. Multi-dwelling sites can often be combined.
  • 06
    Site accessTight blocks, steep driveways and limited street frontage slow the set-out and add time on site.
Get my fixed quote

After handover

Keeping the barrier working

A barrier only works while it stays intact and visible. Pass these on to the owner.

  • Keep at least 75 mm of the slab edge exposed. Don't cover it with soil, mulch or paving.
  • No garden beds or stacked timber against the house
  • Keep weep holes clear of render and debris
  • Fix leaking taps, downpipes and hot water units near the walls
  • Ask the installer before drilling through the slab or adding pipes
  • Book a timber pest inspection at least every 12 months
75 mm EXPOSED EDGE BARRIER UNDER THE SLAB
The inspection zone. An exposed strip of slab edge lets anyone spot termite mud tubes before they reach the frame, which is why paving, soil and mulch must stay below it.
Annual timber pest inspection Handed over recently? We inspect the barrier and the building every 12 months.

Free fixed quote

Protect your build
before the pour

Tell us about your build and get a clear, fixed price, fast. We usually reply within 30 minutes during business hours.

  • Send your detailsBuild type, suburb and rough slab pour date.
  • Share your plansSlab plan or architectural drawings, plus any retaining wall details.
  • Get your fixed quoteOne written price covering every installation stage.
Prefer to talk it through?+61 450 515 215 We're here to help 7 days, 7am to 9pm.
  • Fast responseWithin 30 mins
  • Licensed expertsQualified & insured
  • Trusted locallyAcross Sydney

Get a fixed quote

Tell us about your build

Usually reply
within 30 minutes
Plans (optional)
0/1200

Your details are safe with us. We never share your information.

Palm Beach questions

Answered

Still unsure? Call and talk it through with a licensed technician.

+61 450 515 215
Does a Palm Beach holiday home need the same termite barrier as a full-time residence?

Yes, the NCC requirement is the same either way, but we pay extra attention to documentation and follow-up because a holiday home can go unvisited for weeks. We recommend regular inspection intervals for owners who are not on site often, since undetected activity has more time to establish. We can also leave a simple checklist for a caretaker or neighbour to use between your visits.

Do Palm Beach blocks near Ku-ring-gai Chase National Park need extra work?

Yes. Bushland around Barrenjoey Headland and the wider park holds established colonies that forage into nearby gardens through leaf litter and sandstone crevices, so we run a full perimeter system on blocks near that edge rather than a partial strip. We also check any retaining wall or terraced garden on the way down toward the headland as part of the same visit.

Does salt air affect how a Palm Beach termite barrier is detailed?

It affects how much attention drainage and sub-floor ventilation get. Salt spray and sea breezes off both Pittwater and the ocean keep timber and sub-floor areas damper than an inland block, and that moisture makes it easier for subterranean termites to move toward a slab. We check ventilation and any sub-floor access as part of the same visit.

Does a new home need a termite barrier in NSW?

In most cases, yes. The National Construction Code requires a termite management system for new houses and outbuildings in termite-prone areas where the primary building elements can be damaged by termites. Sydney is termite-prone, so the system is installed to AS 3660.1 and your certifier asks for the installation certificate and durable notice before the Occupation Certificate is issued.

What does a pre-construction barrier cost?

It depends on slab area, perimeter length, the number of pipe penetrations, the system chosen, site complexity and how many visits the build needs. Send us the plans and we return one fixed written quote covering every stage. Quoting is free.

Nearby

We also install barriers around Palm Beach

Same crew, same staging and the same certifier-ready paperwork, right across the Northern Beaches.

Service areas

Termite barriers across 379 Sydney suburbs

From the Eastern Suburbs and Inner West to the Hills, the Shire and the western growth corridors. Every suburb has its own page with the local ground conditions, the council that certifies the work and the questions builders there ask us.

Slab pour coming up?

Lock in your termite barrier before the concrete truck arrives

Send us your plans today for a fixed quote, or call and talk to a licensed technician about your site.

Termite barrier work on a Sydney Harbour building site