What we do

From new homes to renovations, each project is individually designed for your needs. Based on Sydney’s Northern Beaches, Upstairs Design & Building Co has established itself as one of the leading design and construction companies in the area.

Founded in 1978, Upstairs Design & Building Co specialises in upstairs additions and renovations in the Northern Beaches area. Over the last 30 years, Upstairs Design & Building Co has completed over 350 upstairs additions, as well as new houses and commercial projects.

Designer and Builder, Stuart Kelman, is available to discuss with you the feasibility of initial building ideas and concepts.

Using a specialised architectural drafting program, we offer a complete design service.

We will build your project using the skills and talents our experienced team as well as overseeing the specialised trades of our skilled sub-contractors.