Best gas fitters in Sefton
Last updatedPenrith City Plumbing Services leads this list of gas fitters in Sefton, with gas fitting among its services and commercial gas appliance connection. Gas leak work, appliance installs and a published licence number set these businesses apart, so check each one's licence before any gas work starts. Ask which appliances they install and whether the licence number appears on the quote.
Quick picks in Sefton
- Best for gas leaks on LPG or natural gas: Arc Plumbing in Five Dock, with heater servicing alongside.
- Best for gas work with a licence number shown: Aussie ONCALL Plumber Auburn, whose licence number is 465156C.
- Best for gas plumbing from a local base: Ashbury Plumbing Sefton, with gas plumbing listed among its core services.
- Best for commercial gas connections: Penrith City Plumbing Services, which connects commercial gas appliances across Western Sydney.
Best gas fitters in Sefton, ranked

#1Penrith City Plumbing Services for commercial gas connections and gas hot water
24/7Based in PenrithPenrith City Plumbing Services is a plumber based in Penrith that covers Sefton, and gas fitting sits in its list of services. Hot water heaters are repaired and replaced in gas, electric and solar versions. For commercial clients it connects gas appliances, and its vans carry electronic leak detectors. Its listing has no licence figure, so get the number first and check it through NSW Fair Trading.

#2Aussie ONCALL Plumber Auburn for gas fitting alongside hot water system installs
24/7Licence publishedBased in AuburnAussie ONCALL Plumber Auburn works from its Auburn base and serves Sefton, Parramatta and Lidcombe, among others. Gas fitting and gas plumbing are named in its services, next to hot water system installation. The licence number 465156C appears on the listing, and urgent jobs are covered at all hours. Estimates cost nothing, and the call-out line is set at $0.

#3Ashbury Plumbing Sefton for gas plumbing from a business in the suburb
24/7Gas plumbing is one of the core services at Ashbury Plumbing Sefton, which trades from the suburb. Drain clearing and hot water work run alongside it, plus commercial plumbing. The business has more than 15 years in the trade and serves Sydney's Inner West, Bankstown and Blacktown areas. No licence number is given.
#4Arc Plumbing in Five Dock for gas leak detection and heater servicing
24/7*Based in Five DockArc Plumbing operates from Five Dock, and its area includes Sefton. Its list runs from fitting appliances to checking heaters and tracing leaks in LPG or natural gas lines. Leak calls are also among the urgent work it takes. The 24/7* mark on its listing means open 24 hours, but no set after-hours times appear there.
Compare gas fitters in Sefton
The table below sets out which businesses name gas work, where each is based and whether a licence number is shown.
| Plumber | Based in | After hours | Licence | Google rating |
|---|---|---|---|---|
| Penrith City Plumbing Services | Penrith | 24/7 | – | ★ 5.0 (468) |
| Aussie ONCALL Plumber Auburn | Auburn | 24/7 | ✓ | – |
| Ashbury Plumbing Sefton | Sefton | 24/7 | – | – |
| Arc Plumbing | Five Dock | 24/7* | – | ★ 4.3 (23) |
24/7* : listed as open 24 hours, but the business doesn't say 24/7 itself. Ratings show from 5 Google reviews.
How we picked gas fitters in Sefton
Businesses were scored mainly on reviews, with more weight given to those that have many of them. Gas jobs described in their own words earned credit, and so did a visible licence number and after-hours cover they state. Trading from the suburb or close by also counted.
Gas fitters in Sefton: FAQ
Which gas fitters in Sefton handle gas leaks?
Arc Plumbing finds leaks in LPG and natural gas lines, and takes leak calls among its urgent work. Penrith City Plumbing Services lists gas fitting as one of its services.
Which Sefton gas fitters publish a licence number?
Aussie ONCALL Plumber Auburn prints licence number 465156C. Nothing comparable appears for the rest, so ask each one before gas work begins.
Can a gas fitter in Sefton repair or replace a gas hot water system?
Penrith City Plumbing Services takes on gas heater repairs and replacements, and Aussie ONCALL Plumber Auburn lists hot water system installs among its jobs.