Hiring a builder for your renovation is one of the biggest decisions you’ll make. Your home is not only your biggest investment but also your everyday space, so choosing the right person for the job matters. With so many renovation builders in Sydney, it’s worth taking the time to ask the right questions before signing a contract. Doing so can save you stress, delays, and unnecessary costs later down the line.
Check They’re Registered And Insured
Always confirm your builder is fully licensed and insured to work in your state. A registered builder must meet industry standards, giving you peace of mind that your renovation will comply with Australian regulations. Ask for their licence details and verify them through your local authority. Insurance is just as important. Your builder should have public liability and workers’ compensation cover at a minimum. It protects you, your property, and everyone working on site if something goes wrong.
Review Their Portfolio And References
A quality builder should be confident in showcasing their previous work. Ask to see recent renovation projects that are similar in size and style to yours. This gives you a clear idea of their workmanship, attention to detail, and consistency. Take the time to read testimonials or online reviews to understand how they handle communication, deadlines, and problem solving. A builder who regularly completes quality renovations and earns positive feedback is more likely to deliver a smooth experience for your project.
Ask About Their Quality Control
The right builder will have a clear quality control system. Ask how they ensure the standard of their work, where they source materials, how often inspections are carried out, and who manages site supervision. Most builders work with subcontractors, so check that they choose trades for skill and reliability, not just the cheapest price. Good quality control means your renovation will stand the test of time, both structurally and in finish.
Understand The Warranty And Aftercare
A builder’s warranty tells you how confident they are in their work. Always ask what is covered and for how long. Warranties should include both structural and cosmetic aspects, as well as appliances and fittings. The standard period can vary, but longer coverage is a good sign that your builder stands by their workmanship. Also, check how they handle post-completion issues or maintenance requests. You want a builder who remains responsive after the final payment.
Go Through The Costs And Inclusions Carefully
Price alone should not decide who you hire. Instead, focus on what is included in the quote. Ask for a detailed, itemised breakdown and make sure you understand any allowances, exclusions, or potential variations. Clarify whether the contract is a fixed price or an estimate. Transparency here prevents disputes and surprise costs later. A well-documented quote also makes it easier to compare builders fairly and helps with finance approval.
Ask About Communication And Project Updates
Renovations can be disruptive, so consistent communication keeps things on track. Ask your builder how they manage updates, whether it’s weekly progress reports, scheduled meetings, or digital updates. It’s important to know who your main contact will be and how easily you can reach them. Clear communication from start to finish helps ensure deadlines are met and expectations are managed on both sides.
Take The Time To Choose Wisely
Renovating your home is exciting, but it takes diligence to get it right. Learn as much as you can before committing, ask detailed questions, and don’t rush the process. The right builder should make you feel informed, supported, and confident from the first meeting to the final handover.
At ATH Projects, we understand what it takes to deliver high-quality renovations that run smoothly from planning to completion. Our team brings the experience, craftsmanship, and transparency that Sydney homeowners look for in a trusted renovation partner.
Talk to the ATH Projects team about your plans and discover why asking the right questions is the key to choosing the right Sydney builder.




