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About Us

3x Best of Houzz winner
Offers Custom Work
Published locally
Leading North Shore & Ryde Home Builder With Over 25yrs Experience
Additional Concepts are your builders of choice. We are trusted builders with over 25 years experience and enjoyed a long and rewarding history in residential building of renovations and extensions. Importantly, we continue to have the passion and industry connections to be on the cutting edge of new developments in materials, building methods and technologies. With Simon Roy as the head of of your project from beginning to end, we are confident that your expectations for the quality and impact of the project are well and truly exceeded. Peter Roy looks after administration and behind the scenes technical aspects and ensures that every detail, deadline and issue is taken care of quickly and with no inconvenience to you. We pride ourselves on being a boutique construction company, where we offer our clients the highest quality finish and service which you deserve. We have world leading software which is given to you as part of your building experience with us, keeping you fully informed and in touch with your project at all times, including budget, variations, specifications, and scheduling. Talk about peace of mind. Additional Concepts are conscious of the period that COVID-19 has inflicted on us all and are adhering to all governmental cautions, procedures and measures that are in place to protect the wellbeing of individuals.

Services Provided

Building Design, Carport Installation, Custom Home Bars, Custom Homes, Deck Building, Deck Design, Drafting, Floor Plans, Foundation Construction, Garage Building, Green Building, Heritage Building Conservation, Home Additions, House Plans, Kitchen Renovating, Lighting Installation, New Home Construction, Outdoor Kitchen Construction, Site Preparation, Structural Engineering, Sunroom Design & Construction, Verandah Design & Construction, Home Renovation, Home Extensions, Home Theater Design, Shed Design & Construction, Basement Design, Underhouse Excavation, Man Caves

Areas Served

Berowra Heights, Wahroonga, Turramurra, Pymble, Lindfield, St Ives, Roseville, Killarney Heights, Frenchs Forest, Neutral Bay, Cremorne, Nothbridge, Castle Crag, Mosman, Balgowlah, Balgowlah Heights, Seaforth, Killara


Best of Houzz 2018, 2019, 2021 - Customer Service HIA Member 816153 in excess of 18 years

Professional Information

License Number: 244580C


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21 Projects

Design ideas for a contemporary kitchen in Sydney.

Spacious Family Home

Narraweena, NSW
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Business Details

Business Name

Additional Concepts Pty Ltd

Phone Number

(02) 6190 7762


3 Evelyn Cr
Berowra Heights, New South Wales 2082

Typical Job Cost

AUD $150,000 - $900000

Fix cost, or cost plus 20% contracts. Costs can include concept drawing, design plans, council application, all material and labour.


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8 Ideabooks

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Contact Additional Concepts Pty Ltd
Additional Concepts Pty Ltd
Average rating: 5 out of 5 stars