Penrith & the Outer West · AS 3660.1
With most Werrington Downs homes around 50 years old, we plan every rebuild around what the original construction left behind, from the reserve-backed blocks to the streets near the neighbourhood centre.
Quick answer
A new home in Werrington Downs needs a termite management system before the Occupation Certificate is issued, since the suburb falls within a termite-prone part of the City of Penrith under the NCC. Installed to AS 3660.1, the system requires collars on every penetration and a finished perimeter ahead of the concrete pour, with the certificate handed to your certifier.
Termite barriers in Werrington Downs
Werrington Downs is a residential suburb in the City of Penrith, postcode 2747, about 47 km west of the Sydney CBD. The land was part of an 1831 grant and was farmed until Landcom developed most of the suburb in the 1970s, with the name gazetted in 1976. It's known for its wide reserve areas, and residents rely on the neighbourhood centre in Werrington County for shopping. Nearly all of our work here is knockdown rebuilds, since the suburb was built out through the 1970s and hasn't seen much new subdivision since.
Homes in Werrington Downs are now around 50 years old, and that age shapes almost everything about a rebuild here. Termite protection from original construction is long gone, older timber in roofs and sub-floors can be exposed, and gaps have often opened up in eaves and walls over five decades. The suburb's wide reserves are one of its best features for residents, but they also give ants, spiders and rodents cover that reaches into backyards, and any rebuild on a block backing onto one of these reserves needs a barrier that accounts for that pressure, not just the age of the surrounding houses.
Reviewed by Ismail, founder · Penrith & the Outer West coverage · Updated September 2026 · More Penrith & the Outer West suburbs
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Local conditions
Three things matter most when we scope a termite barrier for a Werrington Downs rebuild.
Whatever termite protection went in when these homes were built in the 1970s has long since stopped doing its job. A rebuild is a clean slate, and we treat it that way, putting in a fully compliant system rather than assuming any trace of the old protection is worth relying on.
Werrington Downs is known for its generous reserve areas, and while that's a drawcard for residents, the grass and garden edges along those reserves give ants, spiders and rodents plenty of cover close to backyards. Blocks backing onto a reserve get a fence line and perimeter treatment scoped for that pressure specifically.
Five decades is enough time for gaps to open up in eaves, weatherboards and sub-floor vents that were once sealed tight. Part of scoping a Werrington Downs rebuild is checking what condition the existing structure is in before the new termite system goes in, since those existing gaps often need attention regardless.
What we install here
Almost all of our Werrington Downs work is knockdown rebuilds, reflecting how the suburb was built out through the 1970s with little new subdivision since. A waffle pod or raft slab suits most of these lots, and once the plumber signs off the rough-in we move straight to fitting collars ahead of the pour. One number covers the job from quote to certificate, worked out from the plans rather than a guess on site.
Local knowledge
A lot of our Werrington Downs work sits near Jim Anderson Park and the suburb's other wide reserves, where grass and garden edges give pests plenty of cover right up against back fences. Toward Jordan Springs Shopping Centre, food waste from the retail strip adds rodent pressure that reaches into nearby streets. On every Werrington Downs job we check fences backing onto reserves, garden beds, eaves, sub-floors or slab edges, and the roof void, given how much can change over 50 years.
The City of Penrith is the certifying authority here, and an Occupation Certificate for a Werrington Downs rebuild won't be released without documented proof of a compliant termite system. Once the work is done, we fix the required notice inside the meter box and hand over a certificate confirming what was installed, where it protects and who carried it out, ready for the certifier's file.
Werrington Downs at a glance
| Suburb | Werrington Downs, NSW 2747 |
|---|---|
| District | Penrith & the Outer West |
| Distance from Sydney CBD | 46.8 km west |
| Certifying council | Sydney CBD Council |
| Standard applied | AS 3660.1 termite management systems |
| Installed | Before the slab pour, then staged through the build |
| Documents supplied | Installation certificate and durable notice |
| Typical builds covered | New homes, knockdown rebuilds, granny flats, duplexes, townhouses |
Systems we install
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.
01A termite-resistant sheet laid over the whole prepared footprint before concreting, so termites can't come up through the slab anywhere.
02A sealed collar on every pipe, conduit and service that passes through the slab. These gaps are the most common hidden way in.
03Protection at the slab edge and into the wall cavity, which stops termites building hidden tunnels up the outside of the slab.
04An APVMA-registered termiticide zone in the soil, with an optional pipe network under paving so it can be recharged later without digging.
05Barriers for bearers, piers and raised timber floors on sloping or elevated blocks, where there's no slab to protect.
06Detailing for sandstone cuts, block retaining walls, step-downs and cut-and-fill sites, which are common across Sydney.
Why during construction
A retrofit can only treat around a finished house. A pre-construction system protects the parts nobody will ever be able to reach again.
A barrier put in during the build costs a fraction of a post-construction system, and far less than repairing termite damage.
New houses (Class 1) and outbuildings (Class 10) with termite-susceptible framing need a compliant termite management system.
Pipe penetrations and slab joints can only be fully protected while they're still open, before the concrete goes in.
An under-slab system covers ground that no treatment from outside the finished house can ever reach.
Your certifier needs the certificate and durable notice before issuing the Occupation Certificate. We supply both together.
Documented, compliant protection gives buyers, building inspectors and lenders confidence when the home is sold.
Installation stages
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.
Send your plans and slab details. We recommend a system and give you one fixed price that covers every stage.
Collars go on every service once the plumber has set out, then the membrane or soil treatment is installed across the prepared site.
Perimeter and cavity protection is fitted as the brickwork or cladding goes up, so there's no unprotected gap at the slab edge.
Where it's specified, the chemical perimeter or reticulation system is completed around the building before paths and gardens go in.
A durable notice goes in the meter box, and the installation certificate goes to your builder and certifier.
The owner gets simple care instructions and an inspection schedule so the system keeps doing its job for years.
Compare systems
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
Entry-point protection
Soil protection
Top-up protection
Most of the Sydney builds we work on use a combination: physical collars on every penetration plus a physical or chemical perimeter.
For builders & developers
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.
Consistent pricing across lots, one point of contact and a full document set for every dwelling.
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
A complete document set for the builder, the certifier and every future owner of the property.
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
Written confirmation of the system and products used, the areas protected and our licence details.
For: builder, certifier, owner
Details of the physical system or termiticide installed, including safety data sheets for any chemicals.
For: builder, owner
How to keep the system working, plus the recommended inspection frequency under AS 3660.2.
For: homeowner
From real jobs
Photos from our own Sydney sites, not stock images. Tap any photo to see it larger.
Membrane barrier across a large residential slab
Barrier work on a Sydney Harbour site
Installation through sandstone excavation
Perimeter barrier and sleeves on a new slab
Waffle pod formwork with collared penetrations
Membrane detailed against a retaining wall
Membrane sealed around a column
Protected slab edge with collar in place
Collared penetrations before the pour
Perimeter barrier on a completed slab edge
Pipe penetrations sealed into the membrane
Collars fixed through mesh before concreting
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Pricing
Every build is different, so we don't guess. We price from your plans and give you one fixed written quote. Quoting is free.
After handover
A barrier only works while it stays intact and visible. Pass these on to the owner.
Free fixed quote
Tell us about your build and get a clear, fixed price, fast. We usually reply within 30 minutes during business hours.
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Werrington Downs questions
Still unsure? Call and talk it through with a licensed technician.
+61 450 515 215Realistically, no. Termite protection from 1970s construction has almost certainly stopped being effective, so on a rebuild we treat the site as needing a completely fresh system rather than trying to assess or patch whatever remains. It's a more reliable approach than guessing at the condition of something installed five decades ago.
Yes. The grass and garden edges along the suburb's reserves give ants, spiders and rodents cover close to the fence line, and while that's more of a general pest issue than a termite-specific one, we still scope the perimeter and fence treatment with that pressure in mind on any block backing onto open reserve land.
Weatherboards, eave gaps and sub-floor vents are worth a look alongside the termite system, since a structure this old tends to have picked up more than one kind of gap over the years. Whatever we notice during the termite inspection gets mentioned, even the things that sit outside the barrier work we've actually been booked for.
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.
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
Same crew, same staging and the same certifier-ready paperwork, right across the Penrith & the Outer West.
Service areas
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?
Send us your plans today for a fixed quote, or call and talk to a licensed technician about your site.
