About Built by Key
Built by Key is the next chapter of Key Carpentry & Building, redefining building across Sydney. We are a Sydney-based residential and commercial building company delivering high-end renovations, extensions, structural works, and bespoke builds. Our projects are underpinned by strong in-house carpentry and structural expertise, allowing us to deliver considered, well-executed buildings with a focus on quality, program certainty, and long-term value. Built by Key represents a considered approach to building defined by quality, clarity, and execution.
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