About Holtro Modular

Holtro Pty Ltd is 100% Western Australian family owned company specialising in the delivery of quality prefabricated modular accommodation for tourist parks, park homes for residential lifestyle villages, granny flats and rural / remote housing.

Based in Perth, we build and deliver to all regions within Western Australia. With a wealth of experience in the industry which has been supplemented by collaborating with architects, engineers and consultants to which we pride ourselves in the continual delivery of high standards in design, quality and most of all service.

 As a family business, we have low overheads and unlike our corporate competitors we strive to deliver our buildings at a very competitive price without compromise.

Director and Registered Builder, Troy Miller has extensive building experience with over 20 years in the prefabricated modular industry in Western Australia. Troy’s experience stems back to 1994 as an apprentice to Fleetwood Homes and later General Manager to Kent Corporation. His family values and beliefs stretch to his business ethos and are what drives his passion for the industry which can be seen whilst you deal with Holtro Modular.

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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

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"

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