Expert Home Renovations & Custom Decks in Newcastle, Hunter Valley & Central Coast

A Builder You Can Trust, Guaranteed!

When you choose Markham Built, you’re choosing a builder who means what they say and does what they promise.

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We show up on time

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Guaranteed Outcome

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Clean Job Site

Markham Built - Transforming Homes with Precision & Craftsmanship

Expert Craftsmanship

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Unmatched Quality

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48-Hour Guarantee

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Immaculate Worksites

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Premium Materials

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No Job Too Big or Too Small

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Job Quoted Within 48 Hours after Site Visit - Guaranteed

That's right, we're so confident of our commitment to you, we offer a quote within 48 hours of a site inspection.

Why Choose Markham Built?

Master Craftsmanship

Every project is built with uncompromising precision, skill, and world-class attention to detail.

Reliable & On Time

We show up when we say we will—no delays, no excuses, just quality work done right.

Built to Last

We use only the best materials, ensuring a superior finish that stands the test of time.

Old-School Values

Honesty, integrity, and a zero-complaint track record—we do what we say, and we say what we do.

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Guaranteed Craftsmanship

Markham Built is a NSW Accredited Master Builder—so you know that every Markham Built project is a master build.

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Designing the Perfect Outdoor Living Space

Your outdoor space should be an extension of your home—beautiful, functional, and built to last. Whether you’re after a spacious deck for entertaining, a seamless indoor-outdoor flow, or a custom alfresco area, Markham Built delivers expert craftsmanship and premium finishes to transform your vision into reality.

Let’s bring your vision to life with expert craftsmanship and timeless design. Book your free site inspection today!

View Our Craftsmanship

Let’s bring your vision to life with expert craftsmanship and timeless design. Book your free site inspection today!
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Lounge transformation

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Ensuite Renovation

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Bathroom Renovation

External Cladding and Deck

Bedroom revitalisation

Lounge transformation

Ensuite Renovation

Happy Customers

We’re proud to have earned glowing reviews from clients who love the quality and care we bring to every project we do. Our reviews reflect the trust and confidence our clients place in us

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Greg Thompson

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“Absolutely thrilled with the services. The team arrived on time and left our home looking immaculate. Highly recommend for anyone needing reliable and thorough bathroom renovations!"

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Lisa McKenna

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"This company exceeded our expectations! From the friendly staff to the detail in design, everything was perfect. Will definitely be using them again!"

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Bradley Sutton

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"We've worked with renovators on our project in the past, and Markham Built is by far the best. Quick response, same-day quote, and a sparkling new kitchen! Five stars!"

Our stories

At Markham Built, every renovation has a story—one of transformation, skill, and quality. Whether it’s updating an old home, adding a modern extension, or creating custom spaces, we focus on precision and top craftsmanship. Our blog shares insights, tips, and project stories to show how we bring homes to life. If you’re planning a reno, big or small, we’re here to help you build with confidence.

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Building for the Future: How Passivhaus Principles Create Energy-Efficient, Comfortable Homes

By Harrison Markham • March 3, 2025
Passivhaus, or Passive House, is a rigorous standard for energy-efficient building design that originated in Germany and has gained global recognition, including in Australia. It focuses on creating buildings that offer superior comfort, indoor air quality, and significant reductions in energy consumption. The core of Passivhaus design revolves around five fundamental principles:​

We'd love to talk to you about your project.

Lock in your site inspection now! No delays, no excuses—just expert craftsmanship and a commitment to doing the job right.

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