Blacktown City Council
Private building certifier in Blacktown
Blacktown has grown around its railway station for well over a century. Homes range from post-war houses to modern townhouses, so the right approval depends on what is on your lot.
NSW 2148
Class 1 homes and Class 10 structures
Local rules
Blacktown housing and the controls behind it
A broad housing mix
According to council's history pages, trains first came to Blacktown in 1860. By the mid-twentieth century the separate town had been absorbed into suburban Sydney (Dictionary of Sydney). This explains why house ages and lot sizes vary so much from street to street. At the 2021 Census, the ABS counted 18,779 private dwellings housing 50,961 residents. Separate houses were 65.4% of occupied homes. Townhouses, terraces and semis made up 18.6%, and flats 15.8%. Those numbers are suburb-wide and say nothing about what your block can hold.
Plans that apply
Zoning comes from Blacktown Local Environmental Plan 2015. Detailed design rules sit in Blacktown Development Control Plan 2015. Part C deals with ordinary houses and other kinds of dwelling. Part N is limited to the mapped Ashlar Precinct, which is built around wetlands and open space along Breakfast Creek. Being close to Ashlar does not put your lot under Part N.
Close to the CBD
Council has flagged that its business zone guidance in the DCP is under review. If you live near the centre, rely on current controls, not a draft plan or an old zone name. Your planning certificate from council lists what currently applies.
Typical work
Common projects and how they get approved
What owners build here
Common Class 1 and 10 jobs in Blacktown include:
- House extensions. Plan for the streetscape, neighbours' privacy, car access and where roof water will drain.
- Knockdown rebuilds. A new home has to suit current zoning and setbacks, not the old house's footprint.
- Townhouse renovations. Relocating a bathroom or enclosing a balcony may affect common property, party walls or fire separation. Check the original approval first.
- Garages, carports and sheds. Many are exempt if they stay small enough and meet the height and setback limits. Every pool needs a compliant safety barrier, CDC approval or not.
Apartment blocks, and fitouts for shops in the centre, are outside Class 1 and 10, so another registered certifier is needed.
How approval usually works
Many small outbuildings are exempt. Larger work runs as a CDC, a quick certifier approval under state codes, or as a DA to Blacktown City Council, after which a CC (construction certificate) is issued. Ashlar controls, heritage listing or strata issues may push a job to the DA path. Begin with a survey, your existing approvals and, for townhouses, written strata consent. Older homes may also carry unapproved additions, which must be dealt with before anything new goes on. CertifiBuild can then confirm the controls on your lot and guide the job all the way to the final certificate.
Our services
From approval to sign-off.
One certifier for your whole Blacktown job, from the first plan check to the occupation certificate.
Local questions
Questions we hear about this suburb.
No two lots in Blacktown are the same. Give us your address and we will check every map that affects it.
See the council pageDoes Part N of the Blacktown DCP affect my home?
Only when the Ashlar Precinct map takes in your lot. Part N of council’s development control plan (DCP) is written for that area alone, tying new housing to the wetlands and open space along Breakfast Creek. Living near Ashlar does not bring your lot under it. Everywhere else in Blacktown, houses and other dwellings follow Part C and the general controls. Your planning certificate lists what applies today. Near the city centre, rely on the current rules rather than a draft plan, since council is reviewing the DCP’s business zone section.
Will renovating my Blacktown townhouse need the strata’s consent?
Often, yes, whenever the job reaches into common property, shared walls or services. Moving a bathroom or enclosing a balcony are typical examples, since they can affect waterproofing, party walls or fire separation. Strata consent and building approval are two different permissions, and holding one never gives you the other. Ask your owners corporation early and get its consent in writing. Dig out the approved plans for the complex as well, and check whether any earlier unapproved changes need sorting before new work goes ahead. Nearly one in five Blacktown homes is attached, so this is a familiar issue locally.
Is approval needed for a carport in Blacktown?
Not always. A carport is exempt from approval when it satisfies every size, height and setback standard in the State codes, and many small structures in Blacktown fall into that category. Miss one standard, and you need either a complying development certificate (CDC) from a certifier or a development application to Blacktown City Council. Check your lot first, including its zoning, how close the carport sits to boundaries and where roof water will drain. Ashlar Precinct land or a heritage listing makes a council application more likely. Confirm before ordering materials.
Building in this suburb?
Send us the address first.
We check the local maps for your lot, confirm the approval path and quote in writing.