--- title: Turtons Lawyers | Insights | AS 4300 description: AS 4300 | Search our latest construction, commercial and careers-related blogs. --- [![Turtons | Commercial Lawyers Sydney](https://s3-ap-southeast-2.amazonaws.com/spinfluence/Retina_Logo.png "Turtons | Commercial Lawyers Sydney")](https://www.turtons.com) - [+61 2 9229 2922](tel:+61292292922) - [Contact details](https://www.turtons.com/contact-us-for-a-commercial-lawyer-in-sydney) [**](tel:+61292292922) [**](https://www.turtons.com/blog/topic/as-4300#) ** [**](https://www.turtons.com/blog/topic/as-4300#) # Browse or search our extensive collection of articles below. - [Most recent](https://www.turtons.com/blog#most-recent) - [Popular](https://www.turtons.com/blog#popular-post) - [Commercial **](https://www.turtons.com/blog/topic/commercial) - [Bringing on a New Shareholder](https://www.turtons.com/blog/topic/bringing-on-a-new-shareholder) - [Commercial disputes](https://www.turtons.com/blog/topic/commercial-disputes) - [Employee Share Schemes](https://www.turtons.com/blog/topic/employee-share-schemes) - [Investing in a Business](https://www.turtons.com/blog/topic/investing-in-a-business) - [Risk management](https://www.turtons.com/blog/topic/risk-management) - [Selling a business](https://www.turtons.com/blog/topic/selling-a-business) - [Shareholders Agreement](https://www.turtons.com/blog/topic/shareholders-agreement) - [Starting a business](https://www.turtons.com/blog/topic/starting-a-business) + - [Construction **](https://www.turtons.com/blog/topic/construction) - [AS 2124](https://www.turtons.com/blog/topic/as-2124) - [AS 4000](https://www.turtons.com/blog/topic/as-4000) - [AS 4300](https://www.turtons.com/blog/topic/as-4300) - [AS 4902](https://www.turtons.com/blog/topic/as-4902) - [Construction Contracts 101](https://www.turtons.com/blog/topic/construction-contracts-101) - [ECI](https://www.turtons.com/blog/topic/eci) - [Security of Payment (NSW)](https://www.turtons.com/blog/topic/security-of-payment-nsw) - [Security of Payment (Qld)](https://www.turtons.com/blog/topic/security-of-payment-qld) - [Security of Payment (Vic)](https://www.turtons.com/blog/topic/security-of-payment-vic) - [Working with Construction Lawyers](https://www.turtons.com/blog/topic/construction-lawyers) + - [Careers](https://www.turtons.com/blog/topic/careers) ## Latest - Filter ## [10 differences between AS 4902 and AS 4300](https://www.turtons.com/blog/10-differences-between-as-4902-and-as-4300) Both AS 4300 and its successor AS 4902 are widely used forms of design and construct contract in Australia. Although they have many similarities, there are some significant differences. [Read More](https://www.turtons.com/blog/10-differences-between-as-4902-and-as-4300) ## [What is a qualifying cause of delay under AS 4300?](https://www.turtons.com/blog/what-is-a-qualifying-cause-of-delay-under-as-4300) Clause 35.5 identifies the causes of delay for which the contractor can claim an extension of time under AS 4300. Compared with other forms of contract, the list of qualifying causes is relatively bro... [Read More](https://www.turtons.com/blog/what-is-a-qualifying-cause-of-delay-under-as-4300) ## [How to claim a variation under AS 4300](https://www.turtons.com/blog/how-to-claim-a-variation-under-as-4300) This article explains how to claim a variation under the Australian Standard AS 4300-1995 Conditions of Contract for Design and Construct. It includes a flowchart to explain the process. [Read More](https://www.turtons.com/blog/how-to-claim-a-variation-under-as-4300) ## [Introduction to AS 4300](https://www.turtons.com/blog/introduction-to-as-4300) AS 4300-1995 is a widely used form of Australian design & construct construction contract, mostly used on commercial construction projects. This article provides a basic introduction. [Read More](https://www.turtons.com/blog/introduction-to-as-4300) ## [Practical completion under AS 4300](https://www.turtons.com/blog/practical-completion-under-as-4300) This article explains practical completion under AS 4300 – what it is and the notice requirements for claiming it. [Read More](https://www.turtons.com/blog/practical-completion-under-as-4300) ## [How to claim an EOT under AS 4300](https://www.turtons.com/blog/how-to-claim-an-eot-under-as-4300) This article explains how to claim an extension of time (EOT) under AS 4300. It includes a flowchart to explain the process. [Read More](https://www.turtons.com/blog/how-to-claim-an-eot-under-as-4300) [All posts](https://www.turtons.com/blog/all) [Next](https://www.turtons.com/blog/topic/as-4300/page/2) ### Join our newsletter to receive two articles per month. No sales pitches, no spam, and one-click unsubscribe. 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