About Us Add-a-Deck & Better by design


Designing Building & Constructing – Better By Design Constructions and Add-A-Deck are established design and construction company’s specializing in home building, decking and renovations.

Our company objective is to provide an outstanding service from the design and council submission stage through to project completion.

Housing Industry awards and testimonials confirm our position as a market leader in the home building and renovation industry. Our projects are regularly featured in home improvement magazines, both in Australia and New Zealand.

Better By Design/Add-A-Deck employs a team of specialists to ensure that every stage of your building project is handled by an expert.

We are well qualified to provide you with a seamless and stylish addition to your home.



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About Us:  At Add-a-Deck & Better by Design our goal is to work with you as your builder sharing our knowledge to deliver the best result at an affordable price for you and your family. Someone you can rely on and trust to help you make those building and design decisions.

Established in 1987 by Brent Sullivan, Better by Design /Add-A-Deck I get excited with the idea of designing homes and outdoor entertaining areas with new clients when this can make such a difference to how people live in their homes. Using the latest technology in 3D computer design and BIM technology to view your ideas before taking the next step to construction. We are a Sydney based building company that specializes in the  design and construction of residential homes  from



  • About Us Add-a-Deck & Better by design
    Frame-less glass balustrade

    Concept to completion design and build

  • Extensions and Renovations
  • Outdoor entertaining areas, timber decks and pergolas
  • Residential design solutions including first floor addition’s
  •  Glass conservatories
  • Carports
  • Town planning with local councils

About Us: Add-a-Deck & Better by Design  has developed a reputation in the home improvement industry for innovative and stylish designs. With more than 30 years in the business, owner Brent Sullivan says “the quality of workmanship goes without saying, providing seamless design that integrates into your existing architecture.

Add-A-Deck has been a member of the Housing Industry Association (HIA) since 1991 and has received recognition in the form of a “Housing Award” in 1998 and as finalist for the “Best Use of Timber” in 1996.

As the Principal and “Builder” of the company, Brent oversees all stages of the process and all work is carried out under his Builder’s License.

Brent has extensive knowledge and experience gained from projects in Australia & New Zealand, the Netherlands and England. His experience ranges from the design phase through to the fit out, cabinetry to carpentry, and he has qualifications in Design and Project Management, as well as a postgraduate Certificate in Design Science from Sydney University, in which he gained a Distinction in “Building Design Practice”.

Brent adds: “

We are a one stop shop from concept to completion; with a good eye for detail and great execution we guarantee the quality of your new home or renovation. Good design and well built lasts a life time; the possibilities are endless.”

Click here to go to my HIA page