Sustainova – Professional Alterations and Additions Designer Sydney
At Sustainova, we are experienced alterations and additions designers Sydney, helping homeowners improve and expand their living spaces through smart, compliant, and high-quality design solutions.
We specialise in home extensions, structural alterations, and custom additions, delivering practical designs that enhance comfort, functionality, and property value.
From minor internal changes to major home expansions, our team manages your project from concept to approval.
Comprehensive Alterations and Additions Design Services Across Sydney
As trusted alterations and additions designers Sydney, we provide complete design and approval support throughout Greater Sydney.
We regularly work with:
Our team regularly works with:
- City of Sydney Council
- North Sydney Council
- Northern Beaches Council
- Inner West Council
- Ku-ring-gai Council
- Willoughby Council
- Parramatta Council
- Ryde Council
- Woollahra Council
- Our designs are prepared to meet all council and planning requirements from the start.
Whether you’re building, renovating, or extending, we provide expert guidance at every stage.
Building Design
Kitchen, Bathroom & Joinery Design
Interior Design
CDC Approval Assistance
Our Alterations and Additions Design Services
We offer a full range of alterations and additions design services Sydney, including:
- Home Extensions & Additions Design
- Second Storey Additions
- Internal Alterations & Reconfigurations
- Garage & Alfresco Additions
- Structural Modifications
- CDC & Council Approval Assistance
- Sustainable Home Design
From initial concepts to builder-ready plans, we ensure your project is efficient and compliant.
Why Choose Sustainova as Your Alterations and Additions Designer Sydney?
With years of industry experience, Sustainova has built a strong reputation as a reliable alterations and additions designer Sydney homeowners trust.
When you choose us, you benefit from:
- Customised design solutions
- Detailed and compliant documentation
- Fast project turnaround
- Clear and honest communication
- End-to-end approval management
- Sustainable and energy-efficient design
We work closely with councils, certifiers, and builders to minimise delays and maximise results.
Specialists in Home Alterations and Additions
We design alterations and additions for:
- Ground Floor Extensions
- First Floor Additions
- Open-Plan Living Expansions
- Master Bedroom & Ensuite Additions
- Living Area Extensions
- Outdoor Living & Alfresco Spaces
- Heritage Home Alterations
No matter the size of your project, we deliver designs that blend seamlessly with your existing home.
Areas We Serve – Alterations and Additions Designer Sydney
We proudly serve clients across Greater Sydney, including:
- Inner West Sydney
- North Shore Sydney
- Eastern Suburbs Sydney
- Mosman
- Parramatta
- Hornsby
- Hills District
- Ryde
- Inner City Sydney
- South Sydney
- Northern Beaches
We also work with homeowners in the Blue Mountains, Newcastle, and Wollongong.
Let’s Design Your Home Alterations and Additions – With Full Compliance
Planning a home extension or alteration? Partner with Sustainova — your professional alterations and additions designer Sydney.
We manage:
- Design
- Documentation
- Council Approvals
- Technical Requirements
So you can focus on enjoying your newly renovated home.
About Sustainova – BDAA Accredited Designers
Sustainova is a BDAA-accredited building design practice specialising in alterations and additions design Sydney.
Our expertise includes:
- Home Extensions
- Structural Alterations
- Sustainable Design
- Council Compliance
We are committed to delivering practical, compliant, and beautifully designed homes that stand the test of time.We are committed to delivering compliant, practical, and beautifully designed homes that stand the test of time.
