Sinking Fund vs Capital Works Fund: How Strata Terminology Differs Across Australia

If you own an apartment in Sydney, your building has a capital works fund. If you own one in Brisbane, it's a sinking fund. In Perth it's a reserve fund. In Melbourne, it lives inside a maintenance plan. Across all eight Australian jurisdictions, the same financial concept goes by at least five different names, and the inconsistency catches out owners who buy interstate, committee members reading guidance written for another state, and anyone trying to compare two schemes side by side.

This article explains what each name means, why the terminology evolved this way, and the more important question that lurks under the labels: how to assess whether your building's long-term fund is actually adequate, regardless of what the legislation calls it.

The same financial concept under five names

Every Australian strata scheme is required to maintain two funds. One pays for the year-to-year operating costs of the building: insurance, cleaning, gardening, electricity, the strata manager's fee, lift servicing. The other is the long-term reserve, where money is accumulated over time to pay for major capital expenditure that comes around every few years to a few decades: repainting, lift replacement, roof renewal, façade work, waterproofing, plant replacement.

That second fund is what this article is about. The state-by-state names:

State	Long-term reserve fund
New South Wales	Capital works fund
Victoria	Maintenance plan fund
Queensland	Sinking fund
Western Australia	Reserve fund
South Australia	Sinking fund
Tasmania	Sinking fund
Australian Capital Territory	Sinking fund
Northern Territory	Sinking fund

The mechanics are identical in every state: each year, the owners corporation (or body corporate, or strata company, depending on the state) sets a contribution rate, owners pay that contribution as part of their levies, and the money accumulates in a separate account dedicated to long-term works.

NSW: the 2016 rename

The most common label across Australia is "sinking fund", which was also the term used in NSW until 2016. The Strata Schemes Management Act 2015, which commenced on 30 November 2016, renamed the NSW long-term fund to "capital works fund". The rationale was that "capital works" describes what the fund actually pays for, while "sinking fund" was a borrowing from older British accounting language that owners increasingly didn't recognise.

The rename did not change the fund's mechanics, its tax treatment, or the obligations attached to it. NSW schemes that had a sinking fund on 29 November 2016 had a capital works fund on 30 November 2016: same balance, same purpose, different label.

In practice, ten years on, plenty of NSW owners still call it the sinking fund. Many strata managers and brokers also use the older term. Either is technically wrong only at the margin; both refer to the same statutory fund.

Victoria: a fund inside a plan

Victoria approaches the long-term reserve differently. Under the Owners Corporations Act 2006, owners corporations of a particular size or fee threshold (currently Tier 1 and Tier 2 schemes, broadly schemes with more than 50 or 100 lots, or with annual fees above defined amounts) must prepare a maintenance plan covering the building's anticipated long-term works. The fund that sits behind the plan is the maintenance plan fund.

The Victorian framework is more flexible than NSW's in one important respect: smaller schemes (Tier 3, Tier 4, Tier 5) are not required to maintain a formal long-term fund at all, although they remain obliged to "adequately maintain" common property. In practice, many smaller Victorian schemes operate without a dedicated long-term reserve, which works fine until something major needs replacing.

The Victorian Government’s June 2026 Engage response to the OC Act review is not a new statute. The Consumer Legislation Amendment Bill 2026 is a hardship and enforcement bill, not a rewrite of the maintenance-plan rules. Until an amendment commences, read the 2006 Act and this year’s statements.

Queensland, SA, TAS, ACT, NT: the persistent sinking fund

The "sinking fund" label persists in five jurisdictions. The legislation differs in detail (Queensland's Body Corporate and Community Management Act 1997 requires a sinking fund forecast covering at least nine years; South Australia, Tasmania, the ACT and the Northern Territory each have their own framework), but the underlying concept is the same.

Queensland's regime is the most sophisticated of the five. The BCCM Act mandates a sinking fund forecast for most schemes, and a body corporate that does not raise contributions consistent with its forecast is leaving an obvious paper trail of underfunding. The Commissioner for BCCM has investigated cases where chronic underfunding has produced predictable special levies.

In ACT and NT, the sinking fund framework is broadly similar to Queensland's, with somewhat lighter forecasting requirements. South Australia and Tasmania have lighter framework still, closer to Victoria's smaller-scheme approach, where the obligation is to "adequately maintain" rather than to maintain a particular fund balance against a particular plan.

Western Australia: the reserve fund

Western Australia uses reserve fund as the standard term. The Strata Titles Act 1985, as substantially amended in 2018, requires schemes of 10 or more lots to maintain a 10-year reserve fund plan. The 10-year horizon aligns with NSW and Victoria; the 10-lot threshold is more generous than Victoria's tier-based system.

The 2018 WA amendments brought the regime into broad parity with eastern-state equivalents, although the language remained distinctive. WA's transitional period for the 10-year plan obligation completes in 2026.

Why the names actually matter (a little)

For most practical purposes, the name doesn't matter; what matters is whether the fund has the money it needs.

But the labels matter at the margins:

• When reading documents from another state. A NSW resident buying in Brisbane needs to know that "sinking fund" is what they would call the capital works fund at home.
• When the building changes terminology. NSW schemes that have been operating since before 2016 may have older documents using "sinking fund" and newer documents using "capital works fund". They are the same fund.
• When comparing schemes interstate. A capital works fund balance in NSW and a sinking fund balance in Queensland are directly comparable when measured against the building's long-term plan and asset base.
• When buying, selling or contesting a strata report. Strata reports prepared by interstate search companies sometimes adopt the originating state's vocabulary. The reader needs to be able to translate.

For a complete cross-jurisdictional terminology reference covering legal entities, committees, levies, by-laws and disclosure documents:

What every long-term fund actually pays for

Whatever your state calls it, the fund covers the same broad category of expenditure: major capital works that come around irregularly and at significant cost.

Common items across most schemes include external repainting (every 10–15 years for most apartment buildings), roof replacement or major repair (20–30 years), lift modernisation or replacement (20–25 years per lift), waterproofing remediation (15–25 years, varies sharply by build quality), façade and concrete spalling repairs (varies), common-area floor coverings (10–15 years), pool resurfacing and plant replacement (10–15 years), fire system upgrades (15–25 years), pump and mechanical plant replacement (15–25 years), and major electrical or plumbing infrastructure renewal (30–50 years).

A 50-lot building's total capital works expenditure across a decade can comfortably exceed $1 million depending on age, complexity, and whether any single major item (cladding remediation being the obvious one) falls within the planning horizon.

NSW's 2026 standard form

NSW has gone furthest in formalising long-term planning. From 1 April 2026, NSW schemes preparing a new, revised, or replacement 10-year capital works plan must use the prescribed standard form. The standard form aligns the document structure, the categories of expenditure, the disclosure of inflation assumptions, and the methodology for calculating recommended contributions.

The reform's practical effect is to make capital works plans comparable across schemes for the first time. A buyer doing due diligence on two NSW buildings in 2027 will be comparing plans drafted in the same format, instead of two different consultants' bespoke documents that were structurally hard to compare. It also gives NSW Fair Trading a baseline against which inadequate plans can be identified.

Other states are watching this reform closely. The standard form is an obvious candidate for adoption in Victoria's review and in Queensland's anticipated next round of body corporate reforms, although neither has committed.

How to assess your fund: the labels-aside version

The honest test of fund adequacy is jurisdiction-agnostic.

Compare the fund's current balance to its 10-year forward expenditure. A healthy fund typically holds 18–36 months of forward-looking annual contributions plus a buffer for the next major scheduled item. The exact ratio depends on the building's age and the timing of upcoming works.

Compare the recommended annual contribution to the actual annual contribution. This is the single most diagnostic number. A fund where the actual contribution is materially below the recommended contribution is, by mathematical certainty, accumulating a future shortfall. The shortfall will eventually be paid for through a special levy, deferred maintenance, or a strata loan. None are pleasant.

Look at recent special levies. A scheme that has raised one or more special levies in the past five years is signalling that ordinary contributions have been inadequate. A scheme that has raised several is signalling something more systematic.

Check the inflation assumption in the plan. A plan based on 2% annual cost inflation will significantly underestimate real costs over a 10-year horizon, given that Australian construction inflation has averaged 4–6% since 2022. A plan that doesn't disclose its inflation assumption is itself a warning sign.

Cross-check against the 10-year plan vintage. A plan that hasn't been updated in five or more years reflects old prices, old building condition, and old assumptions. Plans should be reviewed every five years at minimum, and after any significant change in the building's condition.

For a deeper guide to reading the plan itself:

1. 01
   Open the long-term plan
2. 02
   Compare balance to projected works
3. 03
   Recommended vs actual contribution
4. 04
   Recent special levies count
5. 05
   Check inflation assumption
6. 06
   Verdict on fund adequacy

Why the fund affects your apartment's value

A long-term reserve fund that is well-managed against a credible plan is one of the most valuable invisible assets in an apartment building. A buyer's solicitor or conveyancer reads the fund's balance and trajectory in the strata report, and a chronically underfunded fund (under any name) translates directly into a lower offer or a withdrawn buyer.

For sellers in particular, the fund's adequacy can swing tens of thousands of dollars in achievable sale price. Buildings that have run their long-term contributions disciplined for years sell faster and at higher prices than equivalent buildings that have kept levies artificially low.

The statutory duty behind the label

The name on the bank statement is a drafting choice. The duty is not.

In NSW the Strata Schemes Management Act 2015 requires the owners corporation to establish an administrative fund and a capital works fund. Section 79 is the estimate of contributions: the owners corporation must estimate how much money it will need to credit to each fund. Section 80 is the levy decision that follows that estimate. A committee that “keeps levies flat” without revisiting the section 79 estimate is not being thrifty. It is refusing to do the statutory arithmetic.

The capital works fund pays for the works that the 10-year plan is supposed to describe. The administrative fund pays for the year in front of you: insurance, management, day-to-day repair, utilities. Mixing the two accounts to hide an insurance spike is a bookkeeping problem and, if it persists, a compliance problem. From 1 April 2026 a new or revised NSW plan must use the prescribed standard form. That form does not invent a new fund. It makes the existing fund comparable.

Victoria’s Owners Corporations Act 2006 ties the larger tiers to a maintenance plan and a maintenance plan fund. Section 46 is still the repair duty whether or not a formal fund exists. A Tier 4 scheme without a dedicated reserve has not escaped maintenance. It has only escaped a named account. The June 2026 Engage Victoria response to the OC Act review, and the Consumer Legislation Amendment Bill 2026, do not rename the fund and do not repeal the duty. Do not wait for a “new Act” before reading this year’s statements.

Queensland’s Body Corporate and Community Management Act 1997 still says sinking fund. The forecast horizon (at least nine years for most modules) is the document buyers actually read. A body corporate that raises less than its own forecast is creating a paper trail for the next special levy and for the Commissioner. Western Australia’s Strata Titles Act 1985 says reserve fund. South Australia’s Strata Titles Act 1988 and Community Titles Act 1996, Tasmania’s Strata Titles Act 1998, the ACT’s Unit Titles (Management) Act 2011 and the NT’s Unit Title Schemes Act 2009 each use their own label. The buyer’s question is identical: is there a plan, is the contribution equal to the plan, and when was the plan last priced.

How to talk about the fund in a meeting without starting a naming fight

Use the statutory name in the motion and the common name in the explanation. A NSW motion should say “capital works fund contribution”. The chair can still say “the long-term fund” at the microphone. Minutes should use the statutory name so the next auditor, the next section 184 certificate and the next buyer’s solicitor are reading the same words.

Never describe a special levy as “topping up the sinking fund” if the resolution is actually an administrative-fund cash call to pay this year’s insurance. That sentence on a portal notice is how owners decide the committee is hiding something.

Three numbers that survive every rename

1. Closing balance ÷ next 12 months of planned works. Below about 1.0 with a major item inside two years is a conversation, not a trivia fact.
2. Recommended contribution versus struck contribution. A 20 per cent gap that lasts three budgets is a future special levy with a long fuse.
3. Plan date versus today. A 2019 forecast priced in 2019 dollars is not a 2026 plan. Construction inflation since 2022 has made that gap visible on every lift and membrane line.

Those three numbers work in Brisbane, Perth and Hobart. The heading on the PDF does not change the arithmetic.

What a “healthy” fund is not

It is not a round million dollars in a 12-lot walk-up. It is not a zero balance because “we will special-levy when we need it”. It is not a transfer from the admin fund the week before the AGM so the chart looks taller. A healthy fund is a balance that can meet the next planned item without borrowing, plus a buffer the scheme has actually voted to hold. The section 106 maintenance duty (and its interstate equivalents) does not care what you named the account.

How UnitBuddy handles the multi-state fund picture

UnitBuddy's capital works module ingests the building's plan in whatever name the legislation gives it: capital works fund (NSW), maintenance plan fund (VIC), sinking fund (QLD/SA/TAS/ACT/NT), or reserve fund (WA). It surfaces the same diagnostic numbers regardless: current balance, projected trajectory, recommended versus actual contribution, the gap between the plan and what the building is actually saving.

For committee members serving on schemes in multiple states, or for owners with apartments across more than one jurisdiction, the multi-state view means one tool covers all the funds rather than a separate document set per building per state.

Explore the capital works tools · See pricing · Get started

Further reading

• NSW: Where's My Money Honey Part 2 — The Capital Works Fund — via LookUpStrata
• NSW: Is a Capital Works Fund Plan Mandatory for Owners Corporations? — via LookUpStrata

Related reading

• Strata Finance & Levies guide: how the long-term fund fits into the wider financial picture
• Australian Strata Terminology: A State-by-State Reference: the complete cross-jurisdictional vocabulary map
• The 10-Year Capital Works Plan: How to Read One and Spot the Red Flags
• How to Read Your Strata Levy Notice

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Last updated: 5 May 2026. UnitBuddy publishes general information for Australian strata owners and committees. It is not legal, financial, or accounting advice. For advice specific to your scheme, consult a strata accountant, qualified quantity surveyor, or your owners corporation's professional advisers.