Add-Style Office

Suite 5, First Floor
319 Condamine St
Manly Vale
NSW 2093 Australia

Create the space your family needs without leaving the home and neighbourhood you love. Add-Style has been designing and building first-floor additions across Sydney for 40 years.

Our experienced team manages everything from the initial design and fixed-price quotation to approvals, construction and final handover. We create thoughtfully designed second-storey additions that complement the character of your existing home while adding valuable bedrooms, bathrooms and living spaces.

First Floor Additions

Building for Accessibility

Upstairs Additions

Blog

Featured

September 9, 2026

How to Avoid Overcapitalising on a First Floor Addition

September 9, 2026

Planning a first floor addition in Sydney? Learn how smart design, street appeal and a realistic budget can help you avoid overcapitalising with Add-Style.

September 9, 2026

September 4, 2026

Planning a First-Floor Addition? Avoid These Common Mistakes

September 4, 2026

Planning a first-floor addition in Sydney? Discover five common design and building mistakes to avoid—and how Add-Style can help you get it right.

September 4, 2026