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 an 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

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