South Australia's leading
Second Storey specialist

We bring 20 years of experience.

We are owned and operated by a qualified carpenter with over 20 years experience in the industry. Broaden specialises in renovations and extensions to existing homes, particularly second storey additions.

We offer a fresh and modern approach to building projects that is backed up by a high level of skill and experience.

We can help you with all stages of your building project from concept design, building approvals through to construction and handover.

Broaden can also offer flexibility in the services provided in the interest of saving costs for our clients.
Our Portfolio

Our owner is with you every step of the way.

Choosing Broaden to assist you on your building project ensures that the owner of the company is there with you every step of the way.

This ensures a personalised and trusting relationship with all our clients. Having the building company owner closely involved also means that problems can be promptly solved to minimise delays.

Broaden is proud to offer a high quality service and build, with attention to every detail. Broaden is invested in providing a broad range of solutions to help you get the result you are looking for.

Before & After

Building Guide

Indicative Second Storey pricing

Our detailed Second Storey cost interactive calculator is coming soon!


2 bedrooms, walk-in wardrobe (WIR), ensuite, living area

Please note:

*All prices provided are approximate and subject to adjustments based on the specific needs and requirements of each individual project. Additionally, balcony additions can range from $15,000 to $60,000, depending on the style and size.



3 bedrooms with wardrobes, bathroom, living area, and staircase.  

Please note:

*All prices provided are approximate and subject to adjustments based on the specific needs and requirements of each individual project. Additionally, balcony additions can range from $15,000 to $60,000, depending on the style and size.  


Our comprehensive build steps our outlined below

Step 1

Start with a Complimentary Consultation! Let's Discuss Your Project Plans, Share Ideas, Get Expert Advice, and Explore Budget Considerations Together.

Step 2

Broaden will  provide you with a carefully crafted estimated price range, tailored to your unique project requirements and aspirations.

Step 3

Unlocking Your Vision: Broaden goes the extra mile by coordinating with a skilled draftsman or architect to deliver an enchanting initial concept sketch that breathes life into your dreams

Step 4

Our dedicated team will present you with a comprehensive Initial quote, thoughtfully derived from the intricate details found within the planning drawings, ensuring transparency and accuracy in every aspect of your project.

Step 5

When Your Satisfaction Meets Progress: your contentment with the concept design is our paramount priority.

Once you are entirely delighted with the vision, we meticulously assemble a comprehensive package of project planning drawings. This package, designed for submission to the council (to be initiated following the signing of a building contract), reflects our unwavering commitment to excellence and regulatory compliance.

Step 6

Upon your approval of the final planning drawings, we take the next step by crafting a formal quotation.

This quotation, intricately detailed and based on your exact specifications

Step 7

Turning Dreams into Reality: Following the acceptance of the quotation, we'll collaboratively establish a detailed building contract.

This contract will encompass pricing, selections, payment schedules, deposits, and estimated project start and completion dates, ensuring clarity and alignment as we embark on this exciting journey together.

Step 8

Building Approval: Upon completion of the contract, Broaden will collaborate with a private certifier to evaluate your project's adherence to pertinent building codes and standards, facilitating the issuance of the final building approval.

Step 9

Client Selections: Throughout the council planning submission process, Broaden will collaborate with you to finalize product selections, offering various options tailored to your budget. These selections are detailed in the contract as Prime Cost items (PC).

Step 10

Project Commencement: Building work can begin once your local council issues the final building approval.


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