Our Process

At Holtro Modular we believe every step in our process is a crucial part of delivering a superior product. The utmost care is taken in each step to ensure client satisfaction, professionalism and expert quality workmanship.

Design & Brief

Specification & Estimate




Site Works



"Flexibility to suit your needs"

  • Design & Brief

We will discuss your project requirements, guiding you through designs, to make any changes that may be necessary.

  • Specification & Estimate

You will receive a full detailed specification & cost for your design and requirements.

  • Contract

Once you are satisfied with the design and costing, you will enter into a standard Housing Industry Association (HIA) Prefabricated Building Contract with nominated progress payments payable at each stage until the building is on-site and completed. We will meet to select product and colour requirements and complete a addendum for production. Plans, engineering, energy efficiency and Certificate of design Compliance (CDC) will be completed and sent to council for approval.

  • Production

Your project will enter the construction stage with an estimated 10-14 week build time. Quality control will be implemented at each stage of the build.

  • Transportation

Load and go.

  • Site Works

Your building will be installed on-site. Site connection, perimeter skirts, carports (if required), stairs and landings completed. Internal and external commission ready for handover.

  • Handover

Client walk through and sign off. Certificate for council (BA7 – Notice of Completion) Key hand over with final payment.

Built to the highest specifications and structural standards

A stress-free building process

  • Effcient cost control
  • Minimal onsite disruptions
  • Strict quality control
  • Controlled construction process
  • Structural guarantee
  • Competitive pricing
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