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Fast business loans for builders: fund the job between progress claims

Fast business loans for Australian builders: progress payment gaps, retention, materials, plant and ATO debt. Up to $5m in 24–48 hours possible.

Updated 18 October 2026 · Fast Loans Australia editorial team

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Quick answer

Builders and construction firms face cash gaps between paying trades and suppliers and receiving progress payments, with retention adding to the squeeze. Fast business loans can cover those gaps, fund plant and materials or clear ATO debt. With property security, $20k to $250k is possible on the same day and up to $5m within 24 to 48 hours. Unsecured options suit smaller amounts.

Key points

  • Progress claims and retention create built-in cash gaps
  • Material price swings can blow out a job's cash needs
  • Property-secured lending suits bigger gaps quickly
  • Lenders understand construction cash cycles when they're explained
Who
Builders, civil, subcontractors
Common uses
Progress gaps, plant, materials, ATO
Secured
$20k – $5m
Larger loans
24–48 hours possible

Why is construction cash flow so tight?

Because the money flows in one direction long before it flows back. A builder pays subcontractors, suppliers and wages through each stage of a job, submits a progress claim at the end of the stage, then waits for the client or head contractor to assess and pay it. On top of that, retention may hold back a slice of every payment until practical completion or beyond.

A single slow payer, a disputed variation or a sudden rise in material prices can turn a profitable job into a cash crisis. It’s why construction firms are among the most frequent users of fast business funding.

What do construction businesses borrow for?

Need Route Speed possible
Gap until a progress claim is paid Cash-flow loan or line of credit Same day for smaller amounts
Mobilising a new contract Mobilisation funding Same day to 48 hours
Plant, excavators, trucks Equipment finance or property-secured Same day possible
ATO debt, including PAYG and super Caveat or second mortgage Same day for $20k–$250k
Retention held back Short-term secured loan 24–48 hours
Buying a site or yard Property-secured loan Up to $5m in 24–48h

How should I explain my cash cycle to a lender?

Construction lenders want to see that the gap is timing, not losses. Prepare a simple summary: the contracts you’re on, the value of claims submitted but unpaid, the payment terms and when you expect each payment. A list of jobs with expected payment dates turns your bank statements, which can look lumpy, into a story that makes sense.

Illustrative example: a residential builder on the Gold Coast has three homes under construction. One client’s bank is slow releasing a frame-stage payment of $140,000, while trades and the timber supplier need paying this week. The builder owns a commercial unit used as an office. A caveat loan over the unit covers the gap, with same-day funding possible, and is repaid when the payment is released.

What about ATO debt in construction?

It’s common. When cash is tight, BAS and PAYG withholding are often the bills that slip. The danger is that unpaid PAYG withholding and super can make directors personally liable through director penalty notices. If you’ve received one, or you’re behind on PAYG or super, act quickly. Our page on paying ATO debt explains the fastest routes.

Can subcontractors use the same options?

Yes. Subcontractors often face the sharpest end of payment delays. A trading subcontractor can use unsecured loans for smaller gaps, and property security for larger ones. Each state’s security of payment laws also give subcontractors a formal way to claim and recover progress payments. See our tradies page as well.

What documents help construction lending?

  1. ID for directors
  2. Business bank statements
  3. A list of current contracts with values, claims submitted and expected payment dates
  4. Recent BAS or financials for larger amounts
  5. Property details and mortgage statements if using security

How can construction firms reduce cash crunches?

  • Negotiate deposits and mobilisation payments on bigger jobs
  • Claim promptly and accurately at each stage
  • Track retention and chase its release on time
  • Keep a line of credit for routine gaps
  • Pass on material price rises where contracts allow

Our guide on cash flow after winning a big contract has more.

Waiting on a progress payment? Start your 60-second enquiry.

How do retention and defects periods affect funding?

Retention is money the client holds back from each progress payment, commonly released in stages at practical completion and after the defects liability period. On a busy builder’s books, retention across several jobs can add up to a substantial sum sitting with clients for months. That money is yours, but it isn’t available.

When you size a loan, leave retention out of your short-term cash projections unless its release date is firm. If a large retention release is due soon and you need the cash now, a short property-secured loan repaid on release can bridge it. Keep a register of every retention amount, the release trigger and the expected date, because chasing releases promptly is one of the easiest cash wins in construction.

Material prices and fixed-price contracts

Fixed-price residential contracts can leave builders absorbing material price rises mid-job. If a supplier increase lands partway through a build, the margin shrinks and the cash gap widens at the same time. Check whether your contracts allow for rise-and-fall adjustments, price materials as early as possible and, where you can, lock in quotes before signing with the client. A fast loan can cover a short squeeze, but it can’t fix a contract that’s underpriced.

See if your construction business qualifies

There’s no credit check when you first enquire, so you can ask without it showing on your file. We won’t send your details to a crowd of lenders. A real person reads your enquiry, understands how construction cash flow works, and calls with the quickest way to bridge your gap.

Please give the real amount, your state and any property you own on the form so we can match you properly the first time. See if you qualify.

Frequently asked questions

Can a builder get a loan to cover a progress payment gap?

Yes. Covering the gap between paying trades and receiving a progress payment is one of the most common reasons construction firms use short-term funding.

Does retention affect lending?

Lenders understand retention, but it means part of your income is held back for months. Factor it into how much you borrow and when you'll repay.

Can I get a fast loan if the ATO is chasing me?

ATO debt is considered case by case. Property security is the strongest way to clear it quickly.

Can a fast loan fund plant and machinery?

Yes. See our equipment finance page for how fast routes work for plant.

Do lenders need my building licence?

They may ask about it, and about your track record, especially for larger contract-based loans.

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