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Eastern Suburbs
Husband & Wife Team, Lee & Tomi Mihaljek

345 Construction is a Sydney based, family owned & operated boutique building company run by husband-and-wife team, Tomi and Lee. Our core values centre around integrity, a commitment to excellence and customer satisfaction. Your vision is our priority.

 

“Tomi sure does put his heart and soul into it, we are always recommending him to friends”

Catherine (client)

OUR EXPERIENCE

With over 30 years experience in the building industry, we specialise in medium to large scale renovations, extensions and second story additions.

OUR SERVICES

We offer a full design and construct service however if you already have architect designed plans for your project, no problem - we can partner with you and your designer to deliver your vision.

 

Our in-house team of skilled carpenters excel in traditional cut-on-site carpentry, allowing us to bring to life even the most intricate and architecturally complex designs.

 

Additionally, our experience extends to the construction of passive homes, showcasing our commitment to innovation and sustainable building practices.

Choose 345 Construction for a seamless and personalized building experience, where your vision is transformed into a distinctive, high-quality reality. We are innovative and solutions focused, reliable and we treat your home as if it’s our own home.

ACCOUNTABILITY

We will provide you with 24/7 access to your project through our online client portal.

 

We offer fixed price contracts so you can have piece of mind that there are no hidden costs.

 

We are passionate about providing a long term solution to your changing needs and wants, and promise an unwavering commitment to open and honest communication, quality workmanship and delivering your project on budget and on time. 

 “Was really great to see Tomi and team again this week - we’ve missed having them around. And I was stopped again today by a passer-by who really admired the build. It’s a steady stream of compliments I take on his behalf!”

Catherine (client)

OUR STORY

At 345 Construction, we don't just build we create homes that represent your unique story

Sustainable Living, Unveiled

Exploring the Benefits of Passive Homes.

Passive homes, also known as passive houses, are energy-efficient residential buildings designed to minimize energy consumption for heating and cooling.  

The concept originated in Germany in the late 20th century and has gained popularity globally for its focus on sustainability and environmental responsibility. 

"The goal of passive homes is to create comfortable living spaces with minimal reliance on active heating or cooling systems. By employing these design principles and technologies, passive homes significantly reduce energy consumption, lower utility costs, and contribute to environmental sustainability. 

The passive house standard is internationally recognized, providing a framework for achieving high energy efficiency in residential buildings". 

Ever considered building a Passive Home?

345 Construction has the experience.

HEAD OFFICE

9 Sandringham St

Sans Souci, NSW

SOCIALS

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MTL Trading Pty Ltd

Contractor License: 315534C 

Exp: 26/9/25

Tom Mihaljek

Supervisor License: 81309S Exp:26/9/25

ENQUIRIES

"Crafting Dreams, Building Excellence."

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