Bill Derbas has been in the construction industry for over 15 years. With a broad knowledge of construction he has worked on commercial residential and civil works over the years.

Bill completed his apprenticeship in carpentry and construction carpentry then went on to become a qualified builder. He has worked on numerous construction sites throughout Sydney, some being commercial and some civil however his passion for residential work has always driven him back to this sector of construction.

Bill is a hands on builder who works on the tools along side many of his tradesman. Being a builder who works on site ensures security to our clients that all workmanship will be of a high standard of quality.


Lansdowne Building is defined as a reliable and professional company who aim to please.

With over 15 years experience in the construction industry all projects are taken seriously no matter the size.

Owner and Director Bill Derbas has worked on and managed sites all over Sydney from high end residential homes to general maintenance of apartment blocks.

Whether you're looking at building a new home doing a renovation/extension or a simple back yard deck Lansdowne Building have a team who offer a wide range of skills and expertise making them ready for any challenges this growing industry may have.

We guarantee to provide affordable services and look forward to creating a bond with all our clients no matter how big or small the project may be.