A bathroom renovation is one of the highest-value jobs in the home, pulling together several licensed trades: waterproofing, tiling, plumbing, electrical and cabinetry. Below are bathroom renovators across the Illawarra, from Helensburgh down to Gerringong, each checked for a valid ABN and current contact details. We don’t auction your job or charge them to chase you — find one who covers your suburb, call them directly, and deal with a real local.How to choose a bathroom renovatorCheck the licence. In NSW, residential building work over $5,000 must be done by a licensed builder or tradesperson — verify it at NSW Fair Trading before work starts.Waterproofing is make-or-break. It must comply with Australian Standard AS 3740 and is the most common failure point — ask how they waterproof and what warranty they provide.Plumbing and electrical need their own licences. Confirm a licensed plumber and electrician are covered in the quote.Get it in writing. Work over $5,000 requires a written contract in NSW; over $20,000 the contractor must also provide Home Building Compensation cover.Frequently asked questionsDo I need council approval? A like-for-like internal renovation usually doesn’t, but moving walls, windows or plumbing may — check with your council first.How long does it take? Most bathroom renovations run 2–4 weeks depending on scope.Are these renovators licensed? Listings are compiled for contact accuracy; always confirm the current NSW licence with Fair Trading before booking.Will I be charged to contact them? No — contacting any business here is free, and you deal with them directly.