Warnbro WA
"Repaired Toilet cistern and rewashed taps in Bathroom, I have had previous Plumbers before but they did not do a very..."
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Best Karnup plumbers near you
Word of Mouth plumbers in Karnup receive an average rating of 4.6 based off 16 reviews.
Mandurah WA
"thanks again for fixing our hot water system . Great job. good to see a young man with good old fashioned integrity..."
Mandurah WA
"The owner Brendon, turned up on time and was very professional and friendly. He even took the time to show me how to..."
Mandurah WA
"Gary is very reliable and efficient when it comes to plumbing maintenance, give him a call next time if you need..."
Mandurah WA
"Great team, awesome quality in thier work and reliable. Trusted business. Capable of any job big or small and..."
ABN:
24 372 110 763
Port Kennedy WA
Friday: 8:00 am-5:00 pm
Baldivis WA
"Connoissewer Plumbing were pretty great. They completed the job to my satisfaction, Alex was really kind, easy to..."
ABN:
18 600 774 427
Madora Bay WA
Lakelands WA
Mandurah WA
"I had a dodgy water heater in my old rental home. The real estate rang these guys to come and rectify the situation...."
Safety Bay WA
"'Would highly recommend, very efficient service. '"
Warnbro WA
Halls Head WA
ABN:
22 687 214 875
Mandurah WA
Friday: Open 24 hours
Mandurah WA
ABN:
90 669 948 972
Mandurah WA
Friday: Open 24 hours
Safety Bay WA
Waikiki WA
Greenfields WA
Waikiki WA
Baldivis WA
Friday: 7am - 5pm
Mandurah WA
Mandurah WA
Showing 20 of 25 businesses
Market Intelligence
Karnup plumber reviews and ratings
Data-driven insights based on 16 customer reviews collected between 2010 and 2021, ABS Census data
77
/ 100
94%
Positive Feedback
There are 25 plumbers servicing Karnup, with 16 customer reviews on file to help narrow your shortlist, with an average rating of 4.6 out of 5 stars — above the Western Australian average of 4.44, with ratings on an upward trend in recent years.
Reviews & ratings
Local plumber ratings have climbed from 4.2/5 (2010) to 5.0/5 (2021) — a clear quality improvement over the 11-year window. Review flow for plumbers in Karnup is lighter than typical — 2.7 new reviews a year, 48% below the Western Australian average. Consider this when comparing local ratings to busier suburbs.
2.7 / yr
Review velocity -81%
4.6 stars
Avg rating below avg
5.0 stars
Service rating
0.6 avg
Reviews / provider
119.3 / 10k
Provider density
Plumber reviews & ratings over time — Karnup area
See the figures behind this chart
| Year | Reviews | Average rating out of 5 | Median reported cost |
|---|---|---|---|
| 2010 | 2 | 3.5 | no prices reported |
| 2013 | 5 | 4.4 | no prices reported |
| 2014 | 3 | 4.7 | no prices reported |
| 2015 | 1 | 5.0 | no prices reported |
| 2018 | 1 | 5.0 | no prices reported |
| 2021 | 4 | 5.0 | no prices reported |
Based on Word of Mouth reviews 2010–2021
Karnup area profile ABS Census 2021
2,096
Population
61.2%
Own with mortgage
99.5%
Houses
$2,122
Median income / week
Sample-size note: This page is built on 16 customer reviews — a smaller sample than our typical suburb page. Ratings and patterns here may shift materially as more data arrives.
How we calculate the Local Service Score: We combine two sources of data: first-party data collected directly by Word of Mouth — verified customer reviews, customer-reported pricing, post-service trust-signal responses, and service awards — with suburb-level population and housing data from the Australian Bureau of Statistics 2021 Census. The score measures how well Karnup is served for plumbers, reflecting the depth of choice, quality of service, and value for money available to residents compared to other suburbs across Australia. See our Local Service Score methodology for data sources, update frequency, and quality guardrails.
What you can check before you call
Licences, where they’ve got them
Trade licences shown on the listing when the business has supplied them, with the licence number.
What other customers paid
Where enough customers have reported it, the listing shows the typical price range for the job they reviewed.
Reviews going back to 2007
Australians have been reviewing local businesses here since 2007. How we handle reviews, disputes and removals is set out in our Fair Play Policy.
Find the right price for your job
Browse our comprehensive cost guides to find the average national price for your job.
How Much Does a Plumber Cost?
Average hourly rate $100 - $150
How Much Does it Cost to Fix a Blocked Drain?
Average cost $75 - $500
How Much Does it Cost to Replace a Toilet?
Average price $200 - $500
How Much Does a Home Water Filtration System Cost in Australia in 2026?
A system-by-system guide to 2026 prices for jugs, under-sink, RO, UV, whole-house, softeners, and tank/bore filtration. Including who actually needs filtration and what to look for on the WaterMark sticker.
More plumbers near you
Plumbers in Karnup — FAQs
What should I look for when choosing a plumber?
Start by comparing reviews from real customers — Karnup has 16 plumber reviews on Word of Mouth.
