Building Services Across South West Sydney
ALTECH Construction is based in Leppington and focuses on South West Sydney. Tell us where your property is and what you are planning so we can discuss whether your project is a suitable fit.
Our building focus
From the home to the outdoor spaces
The right starting point depends on what is already on your property and what you want to achieve. Explore the service that best matches your plans.

Custom homes
Plan a new home around your block, your household and the spaces you want to live in.
Duplexes
Explore two homes on one block, with layouts and access considered together.
Standalone granny flats
Consider a separate small home on an existing property, with its own living spaces.
Houses with granny flats
Plan a new main home and a granny flat together, considering privacy and how they share the block.
Landscaping and retaining walls
Bring outdoor areas, changes in level and retaining walls into the conversation about your property.
Other ways to shape your home
For an existing home, explore extensions, second-storey additions or renovations.
For a new build, our services also include single-storey homes, double-storey homes, custom designs and luxury homes.
Tell us your suburb and project type
Share where the property is and whether you are planning a new home, a granny flat, changes to an existing home or outdoor work. Location is only part of the picture; suitability also depends on the property and the work involved.
Start your project enquiry