Torrens Title Duplex NSW: Rules, Costs and Resale Value

Last updated 26 August 2026·13 min read

Torrens titling a duplex in NSW costs roughly $30,000 to $60,000 and takes three to six months, but it typically increases the combined sale price of the two dwellings by 12% to 18% compared with the same pair under strata. On most Sydney projects, it is the single highest-return decision in the whole build.

The catch is that it is not a decision you can leave until the end. One rule in particular, covered below, is decided the day you lodge your building approval, and getting it wrong permanently closes off the fast subdivision pathway.

Torrens title vs strata, side by side

Both give you two separately saleable dwellings. What differs is what each owner actually owns, and what they are tied into afterwards.

The short version: Torrens costs about twice as much to set up, takes a couple of months longer, and returns that difference many times over at sale. Strata is cheaper and faster, and it is used when the block does not permit Torrens.

Does your block qualify for Torrens title?

Permission to build a duplex and permission to subdivide it are two separate tests, and plenty of blocks pass the first and fail the second. That is the most expensive surprise in this whole area, because by the time you find out, the duplex is built.

For a Torrens subdivision of a dual occupancy in NSW, each resulting lot generally has to satisfy all of the following:

• Minimum lot area: the minimum in your council’s Local Environmental Plan, or 200 sqm, whichever is greater. Many Western Sydney councils set the minimum at 225 sqm to 300 sqm per lot after subdivision.
• Minimum width: at least 6 metres at the building line.
• Zoning: R1, R2, R3 or RU5, with dual occupancy permissible with consent under the local planning controls.
• No stacking: no part of one dwelling can sit above any part of the other. A dwelling above a dwelling can be strata-titled but not Torrens-titled.
• Independent services: each dwelling needs its own water, sewer, electricity and telecommunications connections. Shared services either need to be separated or need easements registered over them.

The one thing people miss is the second lot size test. A 600 sqm block might comfortably permit dual occupancy, yet fail to produce two compliant lots once driveways, setbacks, and private open space are laid out. Check the minimum lot size after subdivision at the feasibility stage, not at completion.

Our guide to Sydney duplex regulations covers the wider planning controls, including what changed when dual occupancies became permitted in R2 zones across NSW on 1 July 2024.

The CDC rule that has to be decided before you lodge

This is the part worth reading twice, because it is decided at the very start of the project and cannot be undone later.

There are two ways to get subdivision approval in NSW, and which one is open to you depends on how the building was approved:

• If your duplex was approved as a Complying Development Certificate (CDC) under the Low Rise Housing Diversity Code, you can subdivide under CDC. A private certifier assesses it against fixed standards; there is no council discretion and no public notification, and the planning stage is typically resolved within days of a complete lodgement.
• If your duplex was approved by Development Application (DA), the CDC subdivision pathway is closed to you. You lodge a separate subdivision application with council, which brings public notification, a discretionary merit assessment and council’s own timeframes.

In other words, the choice you make about your building approval silently determines your subdivision pathway months later. If the block cleanly complies on every metric and Torrens title is the goal, there is a real argument for taking the CDC route for the build specifically so the subdivision stays on the fast path.

Most Sydney duplex projects go the DA route because very few blocks comply perfectly on every standard, and that is often the right call. But it should be a decision made with the subdivision consequences in front of you, not a default. Raise it with your builder and certifier before anything is lodged.

What Torrens subdivision costs

Budget: $30,000 to $60,000 all-in. The spread depends primarily on whether services need to be separated and whether easements are required.

Two things sit outside this table and catch people out. Separating shared services after the fact is far more expensive than designing two independent sets from the start, so raise it at the design stage. And if the site has on-site detention, you will need a positive covenant signed by council, which adds time.

These figures are for the subdivision only. For everything else in a duplex budget, see our guide to the cost of building a duplex in Sydney.

What strata costs, including the ongoing levies

Strata is cheaper to establish at $15,000 to $30,000, but it is the only one of the two options that keeps costing money after settlement.

Run the levies out over a holding period before you decide. At the midpoint, $1,000 per lot per quarter is $8,000 per year across two dwellings, or $80,000 over a decade. That alone can exceed the entire cost difference between strata and Torrens, before you count the resale gap.

Levies also affect saleability. Buyers comparing a strata half-duplex against a Torrens one are comparing an ongoing quarterly cost against none, and they price it in.

What Torrens title is actually worth at resale

The premium for Torrens title over strata on an otherwise identical duplex generally ranges from 12% to 18%, and from 5% to 10% in Western Sydney, where more of the local stock is strata and buyers are less sensitive to the difference.

Applied to a pair of half-duplexes worth $1,450,000 each, even the conservative end of that range is well over $100,000 on a subdivision that cost $45,000. That is the return, and it is why the subdivision question belongs in the feasibility rather than being treated as paperwork at the end.

Three reasons buyers pay it:

• It reads as a house. A Torrens titled half-duplex sits on its own land with its own title, which is how most Australian buyers think about property ownership.
• No shared obligations. No owners corporation, no by-laws, no shared insurance policy, no negotiating with a neighbour about the roof.
• Lenders are more comfortable. Fewer conditions, and a valuation basis closer to a freestanding house.

The premium narrows in areas where strata duplexes are the norm and widens in suburbs dominated by freestanding houses. Check comparable sales in the actual suburb rather than assuming the average applies.

The two-stage process and the timeline

Subdivision runs in two distinct stages, which occur at opposite ends of the build.

Stage one: subdivision approval

This is the planning approval for the subdivision concept, obtained either as a subdivision CDC from a private certifier or as a DA from council. It happens alongside or shortly after building approval, well before construction is finished. You will need the plan of subdivision, an 88B instrument covering any easements and covenants, a Section 10.7 planning certificate, and the stamped architectural and stormwater plans.

Stage two: the subdivision certificate

This is the document your surveyor lodges with NSW Land Registry Services to actually register the new lots, and it can only be issued after the build is finished. To get it, you need:

• The Occupation Certificate
• The final subdivision plan and works-as-executed plans
• A Section 73 certificate from Sydney Water issued specifically for subdivision. The standard S73 obtained for building works is not sufficient, and assuming it is, has cost more than one project several weeks.
• NBN and electricity provisioning certificates
• Gas certification, or written confirmation that gas is unavailable
• The surveyor’s services certificate
• Evidence that Housing and Productivity Contributions and Section 7.11 contributions have been paid
• A council-signed positive covenant, if the site has on-site detention

Allow 3 to 6 months for Torrens and 2 to 4 months for strata, measured from the end of construction. Titles do not exist until stage two completes, so neither dwelling can settle with a buyer before then. Build that into your finance plan.

What actually holds a subdivision up

The approval is rarely the bottleneck. The utility certifications are.

1. The Sydney Water Section 73 for subdivision. It is a different certificate from the building one; it has its own queue and is outside your certifier’s control. Start it early.
2. NBN and electricity provisioning. Both have independent timeframes. Neither can be hurried.
3. Shared services discovered late. If one dwelling’s stormwater or sewer runs through the other’s future lot, you need either physical separation or a registered easement. Both are far cheaper to design in than to retrofit.
4. Unpaid contributions. The subdivision certificate will not issue until Housing and Productivity and Section 7.11 contributions are paid and evidenced.
5. On-site detention covenants. If the site has an OSD system, the council has to sign a positive covenant, which takes council time.

Almost all of this is avoidable by designing two fully independent dwellings from the start and by starting the utility applications the moment construction begins rather than when it finishes.

When strata is the right answer

Torrens is not automatically better. Strata is the correct choice in four situations.

The block cannot produce two compliant lots. If either lot falls below the minimum area or the 6 metre width at the building line, Torrens is not available. Strata is not a compromise here; it is the only path to two saleable dwellings.

One dwelling sits above the other. A stacked or horizontally divided duplex cannot be Torrens titled. Strata handles it without difficulty.

You intend to hold both long term. If neither dwelling is being sold, the resale premium is theoretical, and the strata levies are the only real difference. Some long-term holders reasonably conclude the cheaper setup wins.

Services genuinely cannot be separated. On tight sites where separating stormwater or sewer would mean tearing up completed works, the cost of separation can exceed the premium it unlocks.

Outside those four, Torrens is usually worth the extra cost and the extra two months.

Frequently asked questions

What is the difference between Torrens title and strata title for a duplex?

Torrens title divides the land itself into two separate lots, each with its own certificate of title, and each owner holds their land and building outright with no shared obligations. Strata title divides the building into two lots plus common property, creating an owners corporation with shared insurance, by-laws and ongoing levies. Torrens costs more to establish but has no ongoing costs and resells for more.

How much does it cost to have a duplex in NSW registered to Torrens title?

Roughly $30,000 to $60,000 all up. That covers the surveyor and registered plan at $8,000 to $15,000, subdivision approval at $5,000 to $12,000, Sydney Water compliance at $3,000 to $6,000, legal fees at $5,000 to $10,000, Land Registry registration at $2,000 to $4,000, and easements where needed at $2,000 to $5,000.

Can every duplex be Torrens titled?

No. Each resulting lot must meet the greater of your council’s minimum lot size or 200 sqm, be at least 6 metres wide at the building line, sit in an R1, R2, R3 or RU5 zone, and have independent service connections. No part of one dwelling can be above the other. A block can permit dual occupancy and still fail to produce two compliant lots, which is why the subdivision test needs to be run at the feasibility stage.

Can I subdivide a duplex under CDC in NSW?

Only if the original building approval was itself a CDC under the Low Rise Housing Diversity Code. A duplex approved by Development Application cannot use the CDC subdivision pathway and must lodge a separate subdivision application with council. This makes your building approval pathway a decision with consequences months down the line, so raise it before anything is lodged.

Is a Torrens title worth the extra cost compared to strata?

Usually yes if you intend to sell. The resale premium ranges from about 12% to 18%, and from 5% to 10% in Western Sydney, with a cost difference of roughly $15,000 to $30,000. On a pair of half-duplexes worth $1,450,000 each, the conservative end of that premium still exceeds $100,000. Strata also levies $500 to $1,500 per lot per quarter, indefinitely.

How long does a duplex subdivision take in NSW?

Allow 3 to 6 months for Torrens and 2 to 4 months for strata from the end of construction. The approval is rarely the delay. The bottleneck is the utility certifications, particularly the Sydney Water Section 73 certificate issued specifically for subdivision, which is different from the one obtained for the building works.

Do I have to subdivide a duplex at all?

No. Both dwellings can remain on a single title, which is the cheapest option and works if you intend to hold and rent both. It does mean you can only sell the pair together, to a much smaller buyer pool, so it suits long-term holders rather than anyone planning an eventual sale.

Find Out What Your Block Can Be Titled As

Whether your block can be Torrens-titled depends on its size, frontage, zoning, and how the two dwellings can physically be laid out on it. That is answerable before you commit to anything, and it should be, because it changes both the design and the budget.

Provincial Homes has been building across Sydney for 30 years, holds Builder’s Licence 5685C and backs every home with a 30-Year Structural Guarantee. We design duplexes with independent services and subdivision in mind from the first drawing, including narrow-block and corner-block options.

Book a free site assessment, and we will tell you whether your block supports two compliant lots, what the subdivision will cost, and which approval pathway keeps your options open. You can also browse our duplex designs or visit a display home.

Learn more about Provincial Homes. Explore our range of home designs, including single-storey, double-storey, duplex and acreage homes. You can also view our display homes, read customer testimonials, or discover more about our Six Star Commitment and 30-Year Structural Guarantee.

References

• NSW Department of Planning, Housing and Infrastructure: Low and Mid-Rise Housing Policy