Thornleigh plumbers average 4.5 stars — 0.4 stars below the NSW average of 4.87, with ratings on an upward trend in recent years, based on 56 customer reviews across 25 plumbers servicing the area. Thornleigh plumbers who have earned a Word of Mouth Service Award: Omega Services (2012). The award recognises consistently high customer ratings over a calendar year.
Typical costs
Based on customer-reported pricing from our review data, plumbers servicing Thornleigh typically charge a median of $500, with most jobs ranging from $326 to $550 — 180% above the NSW average. Nearby: Normanhurst ($500), Westleigh ($500), Pennant Hills ($500). Prices have risen 600% since 2009 (from $200 to $1,400 median), averaging 35.3% per year. Quotes above $550 sit in the top 25% of reviewed jobs for the area — a useful benchmark when comparing estimates.
About the area
Thornleigh's median household income is $2,681/week — above the national median of $1,748/week — and local plumbers pricing reflects this, running 180% above the NSW average.
When to book
If you have flexibility on timing, our review data shows plumber demand in Thornleigh tends to peak around January and ease off in February — booking during quieter periods may mean more providers available and faster response times.
Reviews & trust
With 41.7 new reviews per year — 263% above the NSW average — Thornleigh has more recent plumber feedback on file than a typical area in the state.
Based on 56 customer reviews collected on Word of Mouth between 2008–2026, and ABS Census 2021 data.
