About Us

Hi I’m Jeff Klomp. I was sitting in a garage in Faulconbridge in March 1989 thinking about a business name, when I came up with APEX ALTERATIONS and ADDITIONS and here we are ………. many years later.
Apex Alterations & Additions is my dream and it’s here to help yours ………..

Our Story

Apex Alterations and Additions Pty. Ltd. was started in March, 1989. Being in business for almost 30 years and after building 100’s of home additions, we like to feel that we have the expertise and know-how to build a quality home addition to suit your needs and lifestyle.

Our Team
Home Additions Builder Sydney

We hold fast to fulfilling the dreams of our clients through our values and attitudes.

With a combined total of over 70 years of experience working specifically with home additions and extensions, you’ll know why we’re called the specialists…

Our Process

We specialise in the design and construction of first floor and ground floor home extensions.

As home addition builders, we work with you from the design stage right through to construction, helping you implement your own ideas and styles with almost 30 years of building knowledge and experience.

Type of Addition/Extension you are interested in?*

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