Subcontractor Claims When a Builder Defaults

What it is

Builder default is the point where a head contractor stops paying its subbies or enters formal insolvency. In Australian residential construction the consequences fan out fast. Sites stall, owners panic and unpaid subbies face a real cash hole. The law gives subcontractors several recovery paths but each has its own gateway and time limits.

The remedies stack

A subbie faced with default usually works through five layers in sequence, choosing whichever is fastest and most likely to land cash.

Security of Payment adjudication

The first lever is the relevant state Security of Payment Act. Subbies that have issued a valid payment claim can apply for adjudication if the head contractor fails to serve a payment schedule or fails to pay the scheduled amount.

Adjudication is quick. The application is lodged with an authorised nominating authority, an adjudicator is appointed within days and a determination is issued within roughly four to five weeks of the claim. The determination is enforceable as a judgment debt.

The catch is timing. Adjudication has tight deadlines from the moment the payment claim is served. A subbie who lets the clock run risks losing the statutory pathway and being forced into general litigation.

Subcontractors charges in QLD

Queensland has a unique remedy. Under Chapter 4 of the Building Industry Fairness (Security of Payment) Act 2017 a subbie can lodge a notice of claim of charge over money owed by the principal to the head contractor. Once lodged the principal must hold back that amount and pay it to the subbie rather than to the head contractor.

The charge effectively skips a level in the contractual chain. It elevates the subbie above other unsecured creditors of the head contractor because it captures money that has not yet flowed down.

Caveats over land

A caveat sits on the title of the land and stops further dealings until released. Subbies cannot lodge a caveat just because they are unpaid. There must be a caveatable interest, usually created by a charging clause in the subcontract.

In residential building work charging clauses in domestic contracts between a builder and a home owner are restricted or prohibited under state home building legislation. The position between a head contractor and a subbie is more flexible. Where the subcontract contains a properly drafted charge a caveat can be lodged.

Recovery against bonds and insurance

NSW, VIC and QLD residential head contractors are required to hold home building insurance or its equivalent for projects above set thresholds. The insurance protects the home owner where the builder dies, disappears or becomes insolvent. Subbies generally cannot claim directly against home warranty insurance because the cover is for the principal not for the subcontract chain.

What subbies can chase is performance bonds, parent company guarantees and trade credit insurance that they hold in their own name. Where the head contractor has provided security under the subcontract that security can be drawn down on default. Subbies should also check ATO debt registers and ASIC notices because preferential payments may be recoverable from the liquidator.

Direct claims against the home owner

In some states a subbie can join the home owner where money is still flowing through the chain. NSW residential subbies cannot claim direct payment from owner occupiers under the Home Building Act in most circumstances. QLD subcontractors charges reach the owner through the head contractor.

Direct claim paths against home owners are narrow and rarely the right first move. Joining the owner can complicate rather than accelerate recovery.

Practical workflow on default

Step one is to act inside the Security of Payment window. Issue or re issue the payment claim. Diary the response deadline. Lodge an adjudication application the moment the head contractor misses the schedule date or refuses to pay.

Step two is to register any available security. In QLD lodge the notice of claim of charge. In any state where the subcontract contains a charging clause consider a caveat over the relevant land. Notify any guarantor.

Step three is to engage with the insolvency administrator if formal insolvency starts. File proofs of debt, attend creditors meetings and challenge any unfair preference clawbacks. Trust monies, including NSW retention trust funds where the scheme applies, do not form part of the head contractor''s general estate.

Step four is to review supply going forward. Many subbies continue supplying after the first missed payment and dig the hole deeper. Stopping work cleanly with proper contract notices preserves recovery rights.