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Contact Us

Michael Mavin - 0418 296 174

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Prefab & Modular Designs & Pricing
Home Office & Living - Cabins - Pods
Design & Build
New Homes – Duplex - Renovation
Timber Prefabrication
Structural & Internal Finishes

Welcome to Osta group


Osta-group pty ltd was established in 1989 as a building & carpentry company, with works ranging from new homes, Duplexes, Villas & Renovations.


We now specialize in select fields of building & prefabrication offering our clients professional solutions in design and finishes from approval to completion stage handling all aspects of the building process.

We offer:

- New Homes

- Duplex / Townhouses

- Renovations & Additions


Prefab Modular Concepts

- Small Homes

- Home Office

- Open Rooms

- Disability

- Display


Timber Prefabrication
Shelters (shade areas)

Pergolas (decks)

Internal finishes

Polished Hardwoods & Painted Timbers

Onsite installation & finishing works

Why Prefabrication? Fast track completion,

90% less time on site,

Pre-finished with coatings,

Reduce waste/eco friendly.