Discover the real experiences of those who’ve chosen our homes and how they’ve found the ideal living space for their needs
Sydney’s Trusted Granny Flat Builder Every Region, One Standard
Greater Value for Your Investment
Our bundled packages and seasonal offers are structured to give you premium inclusions without inflating the bottom line.
Rapid Project Delivery
Construction timelines generally range from 4–5 months depending on site conditions, design complexity and external factors — so your granny flat is earning, housing or adding value sooner
Faster Path to Returns
Many of our clients build granny flats to create an additional income stream or improve overall property cash flow. While rental income varies depending on location, design and market conditions, a well-designed granny flat in the right suburb can significantly improve the financial performance of your property.
Built to High Residential Construction Standards
Every project benefits from the same rigorous construction standards and client care that underpin our reputation.
Book a Complimentary Site Inspection
You are dealing directly with a licensed NSW builder. not a lead generation website or third-party referral service.
Site inspections are typically available within 3–5 days.
No obligation. No pressure. Just clear answers about your property.
Book Your Site AssessmentFind Out What You Can Build on Your Land
Locations
Areas We Service
Auburn
Bankstown
Baulkham Hills
Blacktown
Cabramatta
Campbelltown
Canterbury–Bankstown
Castle Hill
Chatswood
Doonside
Epping
Fairfield
Granville
Guildford
Hornsby
Hornsby Shire
Hurstville
Liverpool
Merrylands
Parramatta
Penrith
Punchbowl
Rooty Hill
Ryde
Strathfield
Sutherland
Eastern Suburbs
Hills District
Inner West
St George Area
Western Sydney
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Requirements
Link to Detailed Requirements
For the complete setback, site coverage and landscaping tables broken down by lot size, visit our detailed guide:
Client Feedback
Hear From Homeowners Who Have Built With Us
Completed Projects
Recent Granny Flat Projects Across Sydney
Each GrannyFlow project begins with a detailed understanding of the homeowner’s property, goals and constraints — from investment-focused one-bedroom builds to larger family homes across the entire Sydney region and beyond.
