
City of Canada Bay · postcode 2046
Knockdown Rebuilds in Russell Lea: Fast-Track CDC Rebuilds
Weeks instead of months, if your Russell Lea lot ticks every box.
Russell Lea mixes heritage streets with plenty of post-war houses on regular 450 to 800m² lots. For those outside the conservation areas, a knockdown rebuild can often go through complying development: demolition and the new house approved together, in a fraction of the time a DA takes.
Short answer
Can a Russell Lea knockdown rebuild be approved as complying development?
Often, if the lot is outside heritage conservation areas and not a heritage item, meets the code's minimum lot size and width, and the new home complies with every height, setback and landscaping standard. A certifier can then approve knocking down and rebuilding in one go, in about 15 to 25 working days, versus 11 to 15 weeks for a Canada Bay DA. Building costs about $2,160 to $2,600 per m² mid-spec.
Written and reviewed by Oliver Alameri
Licensed builder, NSW Contractor Licence 487805C · Founder, Buildana
Fact-checked
Does your lot qualify?
Complying development is a yes-or-no test against state codes. Fail one standard and the whole project goes to a DA. The deal-breakers come first.
Heritage is the big one. Lots inside a heritage conservation area, or holding a listed item, are excluded. Several Russell Lea streets are in that category; many others aren't. Then lot size, frontage width, and hazards like high bushfire ratings or certain flood categories.
- Not in a heritage conservation area or a heritage item
- Minimum lot size and width met
- No excluding hazard overlays on the lot
- Design meets every numeric standard, no exceptions
Complying development has no wiggle room. That's exactly why it's fast.
Designing to the code
The code sets hard numbers: maximum height, floor area relative to the lot, front, side and rear setbacks that grow with the building's height, landscaped area, and privacy screening on upper-level windows and decks. There's no merit argument. Miss by 100mm and it's a DA.
That shapes the house. A good designer works to the envelope from day one rather than trimming a DA design later. Most families still get four bedrooms, open living and a double garage on these lots.

Want to know if your lot qualifies?
Send me your Russell Lea address. I'll check the controls and tell you whether a complying development rebuild is possible or a DA is the path.
0476 300 300Demolition in the same approval
The certificate can cover demolishing the existing house as well as building the new one. Licensed removal of any asbestos comes first, then services are disconnected and the house comes down, usually within days.
Neighbours still hear about it. They receive written notice before the certificate is issued and again before work starts. Being upfront with them about trucks, hours and dust makes the next year smoother for everyone.
If the lot doesn't qualify, nothing's lost. The same design principles feed a DA to Canada Bay.

Cost
Apply Canada Bay's 0.98 factor to Rawlinsons' Sydney figures and the new house comes to about $2,160 to $2,600 for each square metre at a mid-range finish. Knocking down, asbestos and disconnections get priced from a site inspection.
The time saved matters too. Weeks of holding costs and rent while a DA sits in the queue add up, which is part of the case for designing to the code where you can.
Is complying development an option?
Where I start on any Russell Lea lot.
- 01
Is the lot inside a heritage conservation area?
- 02
Is the house itself a listed heritage item?
- 03
Does the lot meet the minimum size and width?
- 04
Are there any flood or other hazard overlays?
- 05
Can your brief fit the code's height and setbacks?
- 06
Has an asbestos survey been done on the old house?
Knockdown rebuilds in Russell Lea
What is complying development?
A fast-track approval for projects that meet every standard in a state code, issued by a certifier instead of going through a council merit assessment.
Can demolition be included in a complying development certificate?
Yes. Demolishing the existing house and building the new one can be covered by the same certificate.
Are neighbours notified for a complying development rebuild?
Yes. They receive written notice before the certificate is issued and before work begins, but there's no public exhibition or merit objection process like a DA.
What if my Russell Lea lot is in a heritage area?
Then complying development isn't available and the rebuild goes to Canada Bay Council as a DA, with heritage assessment.
Sources and references
Costs are from the Rawlinsons handbook with the local cost index applied; rules and timeframes are checked against the sources below.
- City of Canada Bay
- Rawlinsons Australian Construction Handbook, Rawlhouse Publishing
- Environmental Planning and Assessment Act 1979 (NSW)
- State Environmental Planning Policy (Exempt and Complying Development Codes) 2008
- Asbestos, SafeWork NSW
- Building on bush fire prone land, NSW RFS
- Search heritage databases, NSW Environment and Heritage
Approved in weeks, built properly.
A Russell Lea knockdown rebuild designed to the code from the first line.