Getting an accurate estimate has never been easier

Callon Group offer a full range of services for construction, civil engineering & bespoke fit-out architectural projects.
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Your best project cost estimation solution.
It’s an exciting time when you have everything you need to kickstart your new project. Once you have the necessary permissions and plans in place, it’s time to determine the project’s cost. Callon Group provides you with the best solution to obtain an accurate quote based on real-time market information.
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It all begins with a conversation
Whether you’re a builder, developer, or homeowner, we want to hear about your plans. By discussing your upcoming projects with us, you’ll have the opportunity to submit your plans to Callon Group. To find out more
Submitting the plans to Callon Group
When you’re ready for your estimate, simply send us your plans and supporting documents. We will provide you with a quote based on the size of your project. For more information, please visit our pricing page.
Once you’ve submitted your plans, Callon Group will give you a return date for your documents.
Pay nothing until you're ready to proceed
Even after submitting your plans to Callon Group, you are under no obligation to proceed with the estimate. You can decide at any time, even after receiving a quote, whether or not to move forward.
You only pay when you have made the decision to proceed with your estimate.
About your Callon Group estimate
At Callon Group, we take pride in using the most up-to-date information to create your estimate. We leverage live market data and localised labour rates to ensure the accuracy of your cost estimate.
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Three reasons to choose Callon Group:

Time-saving: Callon Group does all the work for you based on your plans. This eliminates the time spent on estimating for your customers, allowing you to focus on other aspects of your business.

Simplified pricing: Rather than relying on a price-per-square-meter basis, Callon Group provides a more precise set of costings. Our system integrates with merchant software, providing live information to help you generate an accurate estimate.

Reducing shortages: Our estimation service helps you plan your schedule, enabling you to anticipate when you'll need specific materials or labour. You can order harder-to-source materials in advance, ensuring they are readily available when you require them.