The Trades Playbook

Builder asking for a 50% deposit? What the law says and what to do

Written by Edris Nazari
Checked 12 November 2026
5 min read

Hands measuring a timber board with a yellow tape measure

The short answer

Almost certainly not, and you should not pay it. A 50% deposit is far above the limit we found for every state and territory except the ACT, where there is no legal cap but about 10% is usual. Ask for a written payment schedule that starts with a small deposit and ties each later payment to finished work.

General information from government pages checked on 12 November 2026, not legal advice. Special cases, such as made to order work, can follow different rules, so confirm with your regulator.

The limit in your state

Every number below comes from a government page that we link at the bottom.

  • VictoriaUp to 10% under $20,000 and up to 5% from $20,000.
  • New South Wales10% of the contract price, according to the NSW Government contracts page.
  • Queensland20% up to $3,300, 10% from $3,301 to $19,999 and 5% from $20,000.
  • Western Australia6.5% for fixed price contracts between $7,500 and $500,000.
  • South AustraliaNo more than 5% for domestic building contracts of $20,000 or more.
  • Tasmania5% at $20,000 or more.
  • Northern TerritoryNo more than 5% of the contracted price.
  • ACTNo legal limit on the initial deposit. About 10% is usual.

Why a big deposit puts you at risk

If the tradie never turns up, the money you paid may be hard to get back. Insurance schemes usually cover only part of a lost deposit. In the ACT, for example, warranty insurance covers up to $10,000 of a deposit.

The more you pay up front, the less reason the tradie has to finish on your timeline.

What to say

Keep it calm and put it in writing. Something like this works:

  • "Thanks for the quote. Can you send a payment schedule that matches the deposit limit in our state?"
  • "I am happy to pay the legal deposit, then pay by stage as each part is finished."
  • "Can you add your licence number and insurance details to the quote?"

A fairer way to pay

Pay a small deposit inside the limit, then agree stages tied to finished work: for example materials delivered, work half done, work finished and checked. Keep the last payment until you are happy with the result.

If they will not budge

Walk away. A tradie who needs half the money before starting is often cash strapped or cutting corners. Get at least two more written quotes, check each licence on your state register and use our deposit checker to see what is allowed.

Common questions

Is it normal for a builder to ask for a 50% deposit?

No. The limits we found are 5% to 10% for most larger jobs, 6.5% in Western Australia and up to 20% for very small jobs in Queensland. The ACT has no legal cap.

Is a 50% deposit legal?

Not in any state or territory where we found a limit. Check your own state before you pay and confirm it with your regulator.

What if I already paid a big deposit?

Keep every receipt and message and read our guide on what to do if a tradie takes your deposit and disappears.

Sources

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