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Renovate with Confidence, not confusion

Council approvals, real costs, the right team and the traps - explained in plain English by an accredited building designer, with the checklists and templates you'll actually use.

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Not ready to buy? Start with the free sample guide.

Enter your email and I'll send you a free sample chapter of Renovation with Confidence — no cost, no obligation.

Written from hundreds of kitchen-table conversations

I am Jay Gambarini, an accredited building designer in NSW. Over the years I've sat across the table from smart, capable homeowners who felt completely overwhelmed the moment planning rules and approvals came up. This book is what I'd tell them - in plain English, before they spend a cent. 

Personalised Feasibility Assessment

Not sure your project stacks up?

Have it checked against your actual block — entirely by email.

 

Personalised feasibility study — $495 + GST:

You get the full picture for your exact address: zoning, the controls that apply, your approval pathway (CDC vs DA), and what you can realistically build. After you submit, I'll ask you to email your Section 10.7 (Parts 2 & 5), title search, and survey plan if you have one.

The fee is credited toward your design if you go ahead.

Feels daunting to approach a building designer?

You're not alone — I'm an introvert myself, which is exactly why I run this by email. No phone call, no sales pitch.

Thanks — I've got it. For the personalised study, just reply to my email and attach your Section 10.7 (Parts 2 & 5), title search, and survey plan if you have one. I'll be in touch within 2 business days. — Jay

©2026 BY JAY N DESIGN. BDAA ACCREDITATION NUMBER 6907

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