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Discuss your property, goals, and granny flat requirements.
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Granny flats are one of the most cost-effective ways to maximise your property’s potential while creating additional living space.
A quality granny flat can significantly improve your property's market appeal.
Create a flexible space that adapts to your lifestyle needs.
Create an additional income stream with a fully self-contained dwelling.
Create a flexible space that adapts to your lifestyle needs.
We manage everything from planning and approvals to construction and final handover.
All granny flats are built to meet NSW regulations and industry standards.
See why homeowners trust Rivers Building to bring their vision to life
through quality workmanship, clear communication, and results that speak for themselves.
See why homeowners trust Rivers Building to bring their vision to life, through quality workmanship, clear communication, and results that speak for themselves.
Watch underutilised backyard space transform into a fully self-contained granny flat designed for modern living.
See how a vacant area became a stylish, comfortable secondary dwelling with premium finishes.
Fully licensed and qualified professionals delivering projects with complete confidence and industry compliance.
We’re fully insured for your peace of mind, ensuring your home and project are protected throughout every stage of construction.
Proudly aligned with trusted industry standards and professional networks that reflect our commitment to quality workmanship and service.
Discuss your property, goals, and granny flat requirements.
Prepare plans and manage council or complying development requirements.
Build your granny flat using quality materials and experienced trades.
Complete final inspections and hand over your new granny flat.
From concept to completion, Rivers Building & Maintenance delivers high-quality granny flats across Sydney.
Whether you’re building a granny flat for rental income, family accommodation, a home office, or additional living space, our experienced team manages the entire process from design through to construction.
Rivers Building & Maintenance proudly delivers granny flat construction services across the following areas:
Liverpool • Parramatta • Blacktown • Penrith • Campbelltown • Fairfield • Bankstown • Ryde • Castle Hill • Baulkham Hills • Bella Vista • Norwest • Inner West • Sutherland Shire • Western Sydney • Greater Sydney
Don’t see your suburb listed? Contact Rivers Building & Maintenance today. We regularly complete granny flat projects throughout Greater Sydney and surrounding areas.
Yes, all consultations provided by us are free of charge.
You may book your consultation by heading to our booking page.
Every project is different depending on size, design, site conditions, and finishes. Contact us for a free consultation and quote.
Most granny flats require approval through council or complying development pathways. We can guide you through the process.
Yes. Many homeowners build granny flats to generate rental income while increasing property value.
We respect your privacy and will never share your information with third parties.
At Rivers Building, we combine high-quality craftsmanship with a transparent, stress-free process that gives homeowners confidence from start to finish.