A growing library of practical guidance for Australian homeowners about to take on a renovation or new build — no jargon, no sales pitch, just what's worth knowing before you start. Written from nearly 20 years on Australian building sites.
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We're building out this category — in the meantime, the free Hidden Building Costs Calculator is the fastest way to get a realistic, personalised starting budget today, and the Financial Management System inside Renovation System and New Home Build System covers ongoing budget tracking in full.
Choosing a builder is one of the highest-stakes decisions in the entire process, and it's worth slowing down for. Start with licensing — confirm the builder holds a current licence for the type and scale of work you need, and check that licence directly with your state or territory's licensing authority rather than taking a business card at face value. Insurance matters just as much: ask to see evidence of home warranty insurance (where applicable to your project value and state) and public liability cover, and don't be shy about asking for copies rather than a verbal assurance.
Past work and references tell you more than a glossy portfolio. Ask to see homes the builder has completed in the last twelve to eighteen months, ideally including at least one project similar in scope to yours, and speak to those homeowners directly about how communication, timelines, and problems were handled — not just whether they're happy with the finish. Finally, pay attention to communication style during the quoting process itself. How a builder responds to your questions now — clearly, promptly, and without defensiveness — is a reasonable preview of how they'll communicate once the contract is signed and the pressure is on.
Ready to put this into practice with a structured process? See how the Renovation System or New Home Build System guides builder selection step by step.
Before signing anything, it's worth working through a handful of question categories rather than a single checklist — every project is different enough that the right questions depend on your scope. Process questions come first: how does the builder plan to sequence the work, who is your main point of contact day to day, and how often will you hear from them once the build is underway. Timeline questions follow naturally — what's the estimated start date, what could realistically push it out, and how will delays be communicated if they happen.
Ask specifically about the variations process — how a change to scope or a site discovery gets costed, documented, and agreed before work proceeds, because this is where budgets and relationships most often go wrong. Payment schedule questions matter too: what triggers each payment, and does the schedule align with work actually completed at each stage. Finally, ask about communication cadence directly — will there be regular site meetings, written updates, or is it left to you to chase. None of these questions are unusual to ask, and a builder worth working with will expect them.
The Renovation System and New Home Build System include a full Builder Communication System with templates for exactly these conversations.
Renovation-specific guidance is next on our list. In the meantime, Renovation System is built specifically for the chaos and hidden problems behind existing walls — not a general guide with a few renovation notes bolted on.
New-build-specific guidance is next on our list. In the meantime, New Home Build System is the manual for building on a vacant block — what's supposed to happen at every stage, before it's covered up.
Early-stage planning guidance is next on our list — for now, What Is Homeowner Project Management, Really? below is a good place to start.
A dedicated guide to Quantity Surveyors is coming — for now, the Cost-Plus vs Fixed-Price guide includes a section on what a QS does, when engaging one is worth the cost, and how it fits alongside a cost-plus contract.
On any renovation or new build, the builder's side of the table runs on structure — schedules, registers, templates, and a defined process for handling variations, defects, and handover, refined over hundreds of projects. Most homeowners run their side with none of that: a notes app, a group chat, and a folder of emails they hope they'll be able to find again if a dispute comes up. That imbalance isn't anyone's fault, but it does shift risk quietly onto the person with the least experience managing a construction project.
Homeowner project management is simply bringing that same discipline to your side of the table — a single place to track your budget against what's actually been spent, a record of every decision and variation as it happens, a clear view of what should be happening at each stage so you know what to check before it's covered up, and a structured way to manage defects and warranties through to handover and beyond. It isn't about becoming a builder or a project manager yourself. It's about having the structure that lets you ask better questions, catch problems earlier, and make decisions with confidence instead of guesswork.
This is exactly what Build Companion was built to provide — see the full feature list.
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Two purpose-built systems. $99 each, one-off. The next logical step after the free guides.