Second Storey Addition Designer Sydney

Sustainova – Professional Second Storey Addition Designer Sydney

At Sustainova, we are experienced second storey addition designers Sydney, helping homeowners expand their living space vertically with smart, safe, and fully compliant design solutions.

We specialise in double-storey extensions, upper-level additions, and structural upgrades, delivering practical designs that enhance comfort, functionality, and long-term property value.

From initial concept to council approval, our team manages your entire second storey addition project.

Comprehensive Second Storey Addition Design Services Across Sydney

As trusted second storey addition designers Sydney, we provide complete design and approval support throughout Greater Sydney.

We regularly work with:

All designs are prepared to meet NSW planning regulations and local council requirements from the start.

Building Design

Kitchen, Bathroom & Joinery Design

Interior Design

CDC Approval Assistance

Our Second Storey Addition Design Services

We offer a full range of second storey addition design services Sydney, including:

From early concepts to builder-ready plans, we ensure every project is accurate, safe, and compliant.

Why Choose Sustainova as Your Second Storey Addition Designer Sydney?

With years of industry experience, Sustainova is a trusted home extension designer Sydney homeowners rely on and a leading first floor addition designer Sydney.

When you work with us, you benefit from:

We work closely with engineers, certifiers, and builders to minimise delays and maximise build quality.

Specialists in Double Storey & Upper-Level Home Additions

We design first floor additions and second-storey extensions for:

Our designs seamlessly integrate with your existing home’s architecture and structure.

Areas We Serve – Second Storey Addition Designer Sydney

We proudly serve homeowners across Greater Sydney, including:

 

We also work in the Blue Mountains, Newcastle, and Wollongong.

Let’s Design Your Second Storey Addition – With Full Compliance

Planning a second storey extension? Partner with Sustainova — your professional second storey addition designer in Sydney.

We manage:

So you can enjoy a smooth and stress-free building process.

About Sustainova – BDAA Accredited Designers

Sustainova is a BDAA-accredited building design practice specialising in second storey addition design Sydney.

Our expertise includes:

We are committed to delivering practical, compliant, and beautifully designed homes that stand the test of time.

Frequently Asked Questions

Yes. Most second storey additions require council approval or a CDC. A professional designer can manage the approval process for you.
They provide design planning, structural coordination, drafting, construction drawings, and council approval support for double-storey extensions.
Costs vary depending on project size, complexity, and approvals required. Designers typically offer customised quotes for each project.
Most second storey addition projects take 4–8 weeks, depending on project scope, council requirements, and client feedback.
Yes. Experienced Sydney designers can create safe, compliant second storey additions that integrate seamlessly with existing structures, including older and heritage homes.