If you own a share in an older block of units in Sydney, chances are it’s not on strata title at all. It’s on company title, or it’s sitting on a single Torrens title with no legal separation between the flats. That arrangement was common for buildings put up before the 1970s, and it causes real problems now: banks are wary of lending against company title shares, buyers get nervous, and owners can’t sell or renovate their own unit without the whole building’s cooperation.
So the question comes up constantly: what does it actually cost to strata a block of units? The honest answer is that surveyor and legal fees are only part of the bill. For an existing building, the biggest cost is usually the one nobody mentions upfront: bringing the place up to the fire, water and building code standards a strata scheme is legally required to meet.
What “stratering a block of units” actually involves
This is a different job from subdividing a brand-new duplex, and it’s worth being clear about that distinction because it changes the price by a factor of five or more.
Subdividing a newly built duplex or small townhouse group is mostly a paperwork exercise. The building already meets current codes, there’s usually one owner or one small group of owners, and a surveyor can draft the strata plan and lodge it within a couple of months. We’ve covered that process and its costs separately if that’s closer to your situation.
Converting an existing, occupied block of units, particularly one on company title, is a different exercise entirely. You’re not just drawing lines on a plan. You’re getting an old building certified as compliant with standards it was never built to meet, getting every existing owner and their bank to agree, and re-issuing individual titles and mortgages for each lot. Every one of those steps costs money and takes time.
The core professional fees
These are the costs you’d budget for even in a straightforward conversion with a cooperative ownership group.
A registered surveyor has to measure the building, prepare the strata plan, and calculate unit entitlements for each lot. For a small block of four to six units this typically runs $8,000 to $15,000. Once you’re into a ten-to-twenty unit building, expect $15,000 to $25,000 or more, since floor levels, common property boundaries and staged surveying all add time.
Lodging the strata plan with NSW Land Registry Services carries a registration fee that sits a little over $650 for a straightforward plan, though it climbs for larger or more complex plans with more pages and lots.
Legal and conveyancing costs are where a company title conversion really diverges from a simple subdivision. A solicitor needs to draft the strata management statement, handle the special resolution required from shareholders, and then run individual conveyancing for every owner, including discharging and re-registering each mortgage on the new individual title. For a small building this might be $10,000 to $15,000 in total legal costs. For a larger block with more owners and more individual mortgages to unwind, it’s routinely $20,000 to $30,000 or higher, because the legal work scales with the number of separate titles being created, not just the size of the building.
The cost that actually surprises people: compliance upgrades
This is the part that turns a $30,000 project into a $150,000 one, and it’s specific to converting an existing building rather than titling a new one.
Older unit blocks were built to the standards of their era, and strata registration requires them to meet current ones. In practice that means:
Fire compliance, covering things like fire doors, exits, alarms and sometimes sprinklers, needs council sign-off and can take close to twelve months to resolve on its own.
Water compliance often requires a Section 73 Compliance Certificate from Sydney Water, and older blocks frequently need individual water metering installed per unit where the building currently runs on one shared meter.
Building code compliance under the Strata Schemes Management Act extends to details as specific as window safety locks, and any shortfalls need to be fixed before registration proceeds.
None of this is optional, and none of it is included in the surveyor or legal quotes above. If your building needs work in any of these areas, the special levy raised to pay for it is usually the largest single cost in the whole conversion, and it’s the reason “how much does it cost to strata a block of units” doesn’t have one answer. A building in good repair might get through compliance with minor cost. A building that’s been neglected for forty years could need six figures of remedial work before a surveyor even starts drafting the plan.
Realistic totals and timeline
Putting the pieces together, for a block of roughly six to twenty units already in reasonable physical condition, the professional and registration costs alone typically land between $25,000 and $75,000. Add compliance upgrades for an older building and the all-in cost can run well past $100,000, with the fire and water compliance work usually driving that number rather than the paperwork.
Timeline matters as much as cost here. Where a simple subdivision might take two to four months, a company title conversion with compliance work involved commonly takes twelve to twenty-four months from first shareholder discussion to a registered strata plan. Fire and water compliance approvals are usually the slowest part, not the legal drafting.
Getting a number you can actually plan around
Every figure above is a range, and your building’s actual cost depends on things a generic estimate can’t capture: how many owners need to agree, whether the building has existing fire or water compliance issues, how many floors and lots are involved, and whether the company title arrangement is contested or unanimous.
The cheapest way to find out is usually a site inspection and quote before you commit to anything, since a compliance issue found early is far cheaper to plan for than one discovered halfway through the process. If you’re weighing up whether strata titling makes sense for your building, or you want a realistic number rather than a rule of thumb, get in touch with our team or request a quote and we’ll walk you through what your specific building is likely to need.