Welcome to Holtro

The Specialists in Modular Building, Construction and Civil Services.

At Holtro, we locally design, manufacture and deliver modular building solutions to suite your specific job requirements.
We specialise in high quality off-site prefabricated building solutions – from accommodation units, en-suite bathrooms and camp kitchens to site offices and purpose built work spaces such as classrooms and sheds.

We deliver our prefabricated units throughout Western Australia.


Have a look at our Construction process and projects
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View our Civil Services
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About Holtro

A stress-free, Modular building process

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

Based in Perth, we build off-site and deliver to all regions within Western Australia. With a wealth of experience in the modular and prefab 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 modular buildings at a very competitive price without compromise.
Contact us today and let’s get your modular building under-way.

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