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Estimated range
$831 – $2,371
Guide pricing only. Final quotes vary by scope, access, materials, and site conditions.
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Suburbs in Kiama & Shellharbour
Suburbs in Kiama & Shellharbour and the waterproofers who serve them.
Where the waterproofers are
3waterproofers
Albion Park Rail
Waterproofers in Albion Park Rail
2 based here · Suburb
Shellharbour
Waterproofers in Shellharbour
1 based here · Suburb
What to expect when hiring waterproofers in Kiama & Shellharbour
What the job should cost, what a good quote includes and which licence to check.
Nearby regions in New South Wales:
What waterproofing costs
Across Australia, waterproofing typically runs $831 – $2,371 for shower waterproofing, and $550 – $1,843 for leak investigation.
Local prices vary, so these are typical Australia-wide ranges, not a quote for Kiama & Shellharbour. What you'll pay comes down to the size of the job, the condition of what's being worked on, and the finish you choose. Get a few quotes to see your exact number — it's free.
Things to consider before you book
The local conditions that shape the job, the best time of year to book, and what to sort out before you choose a waterproofer.
Schedule Outdoor Work for Drier Months
Most of Kiama & Shellharbour gets more rain than most areas — exterior waterproofer work benefits from scheduling in the drier months. Your tradie will work around the forecast, but booking ahead gives the best run of clear days.
Best time of year for exterior waterproofing in Kiama & Shellharbour
Ideal months: April to May and September to October.
Based on typical local rainfall, temperature and humidity.
What's in a good Waterproofing quote?
A good quote spells out how the job is priced and what's covered — labour, materials, prep and clean-up — so you're comparing like for like. Check what each waterproofer's quote covers before you choose.
Worth knowing: getting two or three quotes is the simplest way to land a fair price — and it costs you nothing.
- 01Licence number
On the quote, and verify it before work starts.
- 02Compliance certificate
An AS 3740 certificate promised before tiling starts.
- 03Membrane brand
The exact membrane product, not just 'waterproofing'.
- 04Substrate preparation
Grinding, priming and levelling, so nothing is skipped.
- 05Number of coats
Liquid membranes need at least two coats.
- 06Flood testing
A 24-hour flood test before the tiles go on.
Cheapest isn't always the best. Check these before you hire anybody.
Recent, genuine reviews
Read the latest ones, not just the count
Experience near you
Jobs like yours, done locally
Credentials for the job
Licence, insurance and business details
A clear written quote
Itemised, so you can compare like-for-like
Do waterproofers need a licence in NSW?
Waterproofers need a licence in NSW for jobs over $5,000.
Add the cost of labour and materials, including GST.
- Licence
- Contractor licence (waterproofing)
- Regulator
- Building Commission NSW
Sources: nsw.gov.au. Checked 15 Oct 2026.
Frequently asked questions
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