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{{propApi.successMessage}} {{region}} Change locationWA Cost Plus Contract Updates
WA Cost Plus Contract Updates
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The WA Cost Plus Contract has been updated to improve clarity, accuracy and usability for builders. Changes include revised contract schedule items, updated document references and a new clause covering contract interpretation and document precedence.
Friday, 15th May 2026
Housing Industry Association (HIA) is Australia's largest residential building association, committed to keeping members up to date and on the pulse of the ever changing building and business landscape.
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Breaking news
24 Jun
Infrastructure and housing key to unlocking Hunter and Central Coast growth
Housing Industry Association (HIA) Industry Outlook Breakfast in Newcastle and Gosford have highlighted the critical role of infrastructure, planning reform and industry support in addressing housing supply challenges across the Hunter and Central Coast regions.
23 Jun
Regional housing must be a priority in the 2026 Victorian election
The Housing Industry Association (HIA) is calling on all political parties contesting the November State election to make regional housing a priority, placing regional communities and their growing populations front and centre of their pre-election policy commitments.
23 Jun
The NSW Budget builds on existing housing supply reforms
“HIA welcomes the initiatives to support new housing announced by the Treasurer as part of today’s NSW State Budget,” said Brad Armitage HIA NSW Executive Director.
23 Jun
Building indemnity caps lifted to combat rising building costs
On 1 July 2026, builders will receive a 9% increase to eligibility and job profile limits for building indemnity insurance. These changes are designed to keep up with rising construction costs and are a welcome change for the industry. This is one update you don't want to overlook - keep reading to find out if you are eligible, or what you can do to opt-out.
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WA Claim for Extension of Time - Form 5 (Pad of 30)
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WA Job Quotation - Form 9 (Pad of 25)
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WA Alterations & Additions Contract - Form 38E (Pack of 2)
The WA Alterations & Additions Contract – Form 38E (pack of two) is designed specifically for use on alterations, additions and renovations over $7500...
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WA Pre-Fabricated Homes Contract - Form 45C (Pack of 2)
The WA Pre-fabricated Homes Contract – Form 45C (pack of two) has been designed specifically for use with modular or transportable homes.
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WA General Housing Specifications - Form 7 (Pack of 2)
The WA General Housing Specifications - Form 7 (pack of two) provides a detailed description of quality of materials or workmanship, working drawings,...
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WA Variation to Contract - Form 1 (Pad of 30)
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