The Hills District · AS 3660.1
Collars, membrane and perimeter barriers staged to the builder's program across Northmead, from the light industrial pocket near Briens Road to rebuilds close to the Parramatta River headwaters.
Quick answer
Yes. A new home or townhouse in Northmead needs an NCC termite management system installed to AS 3660.1. Collars and any under-slab work go in after the plumber's rough-in and before the concrete pour. The durable notice for the meter box and an installation certificate for the City of Parramatta certifier are both required before the Occupation Certificate is issued.
Termite barriers in Northmead
Northmead is in the City of Parramatta, postcode 2152, about 22 km north-west of the CBD, sitting just north-east of where Darling Mills Creek and Toongabbie Creek join to form the beginnings of the Parramatta River. The suburb has changed a lot in recent years: long-standing low-density houses remain, but townhouses and apartment buildings now make up a far larger share of new dwellings than they did in the mid-2000s. A light industrial area lies to the south around Briens Road, with shops clustered at Northmead Shopping Centre and The Junction on Windsor Road.
Building near where two creeks meet to form a river means the ground close to that corridor holds moisture longer than the higher streets further from the water, and that moisture is exactly what draws subterranean termites toward a new slab. At the same time, Northmead's shift toward townhouses and apartments means more multi-dwelling sites with a higher number of penetrations on a single pour, so collar counts and scheduling matter as much as the barrier detail. We plan each job around which of those two conditions your site sits in.
Reviewed by Ismail, founder · The Hills District coverage · Updated September 2026 · More The Hills District suburbs
Get my fixed quote
Local conditions
Three things shape termite risk in Northmead, tied to the creek junction and the suburb's shift toward higher density.
Ground close to where these two creeks meet to form the Parramatta River holds moisture for longer than higher, drier streets further away. We give the slab edge and drainage extra attention on blocks near this corridor, since damp soil is what makes it easy for termites to move toward a new build.
Northmead has shifted noticeably toward townhouses and apartments over the past two decades, and a multi-dwelling slab can carry far more penetrations than a single detached home. Collar counts and access scheduling around the builder's program drive the price and timing on sites like these.
The industrial pocket around Briens Road brings warehouse and light industrial slabs into the mix alongside residential work. These sites still need a compliant termite management system where construction includes habitable space, and we detail the barrier to the same standard regardless of the building's use.
What we install here
We work on Northmead new homes, knockdown rebuilds, townhouse and apartment developments near Northmead Shopping Centre and The Junction, plus the occasional light industrial slab around Briens Road. Waffle pod and raft slabs are standard on detached rebuilds, while multi-dwelling sites need collar counts planned from the plans before we arrive. You get one fixed written quote covering every stage, and we attend in stages so a barrier visit never holds up a pour.
Local knowledge
Our Northmead work runs from the creek corridor near Otto Losco Reserve and Hammers Road Reserve, where drainage and slab edge detailing matter most, out toward the growing townhouse and apartment stages near the shopping centre. Closer to Childrens Hospital station, sites are more often renovations or extensions on established homes, where we check what protection, if any, the original build already has.
Northmead sits within the City of Parramatta for certification, and the Occupation Certificate will not be issued until a durable meter-box notice and a signed installer's certificate, covering the products, the coverage and the licence, are both on file. We put this together as soon as our stage of the Northmead job is done, whether the build is a house or a townhouse.
Northmead at a glance
| Suburb | Northmead, NSW 2152 |
|---|---|
| District | The Hills District |
| Distance from Sydney CBD | 21.9 km north-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
Google reviews
Real, verified reviews from homeowners and businesses we've worked with.
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.
Get a fixed quote
Northmead questions
Still unsure? Call and talk it through with a licensed technician.
+61 450 515 215It changes how much attention drainage gets. Ground near where Darling Mills Creek and Toongabbie Creek meet holds moisture for longer than higher streets further away, and that dampness is what makes it easier for subterranean termites to move toward a slab, so we detail drainage falls and the slab edge more carefully on these blocks.
The system is the same NCC-compliant barrier, but the job is scaled up. A multi-dwelling slab can carry many more penetrations than a single house, so we plan collar counts and our attendance around the plumber and concreter's program for the whole site rather than one dwelling at a time.
Yes, where the building includes habitable or occupied space it still needs a compliant termite management system under the NCC. We detail the barrier to the same AS 3660.1 standard as a residential job and provide the same documentation for the certifier, regardless of the building's use. We coordinate access with the site foreman so the visit fits around other trades working that day.
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 The Hills District.
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.
