Your Trusted Commercial
Plumbing & Gas Experts

A trusted hydraulic services contractor specialising
in construction, fit-outs, and maintenance

Our Clients

Skilled Professionals

You Can Count On

Commercial Plumbing

Backflow Prevention

Thermostatic Mixing Valve

Emergency Plumbing

Planned Maintenance Plumbing

Hydraulic Asset Management

New Builds

Pipe Freezing

Roofing

Small Excavation

Gas Services

Hot Water System

Our ACCREDITATIONS

Why Choose A1 Plumbing & Gas?

Licensed, Experienced & Reliable

Our fully qualified team brings decades of plumbing and gas expertise to every job. We show up on time, get the job done right the first time, and stand behind our work.

24/7 Emergency Support

Plumbing emergencies don’t wait for business hours—neither do we. Our team is on-call 24/7 to handle urgent issues, minimise damage, and restore safety fast.

Tailored Service Agreements

We offer flexible, ongoing maintenance plans for commercial clients, strata, and facilities managers—ensuring compliance, performance, and peace of mind year-round.

Simplified Compliance Solutions

From TMV and backflow testing to hot water safety and gas compliance, we take care of the paperwork and keep you up to date with mandatory regulations.

Clean, Courteous & Professional

We treat your property with respect. Our team uses drop sheets, cleans up after every job, and works with minimal disruption to your home or business.

Servicing Southern NSW & ACT

From Goulburn to Canberra, Bowral to Queanbeyan, we’re the trusted local team with the capacity to deliver top-tier service across regional and metro areas.

Do You Have A Plumbing Emergency? We’re Available 24/7!

Fast, Reliable Fixes for All Plumbing Issues

A1 Plumbing & Gas News

What Affects the Cost of Plumbing?

What Affects the Cost of Plumbing?

Several key factors influence what you'll pay: Job Complexity: A leaking tap costs less than repiping a bathroom. Materials Required: High-end fixtures or specialist equipment will increase cost. Access Issues: Hard-to-reach areas (e.g. under slabs) take more time....

read more
Blocked Drains in Goulburn? Here’s What Might Be Causing It

Blocked Drains in Goulburn? Here’s What Might Be Causing It

Blocked drain driving you mad? Don’t panic. Here’s what’s likely causing it — and how A1 Plumbing & Gas can fix it fast. Most Common Causes of Blocked Drains in Goulburn Tree Roots in PipesGoulburn’s older properties are often surrounded by trees. Roots easily...

read more

CLIENT TESTIMONIALS

Use A1 for all our plumbing needs, always responsive and proactive at keeping our Commercial kitchen and pub operating. There work is very clean and efficient which causes minimal distruption to operating services during business hours.
We look forward to our continued collaboration with A1 in keeping the premises compliant and operational

Dave
Telegraph Hotel Gunning

Used the Jim and the crew over the last 10 years on our commercial and domestic builds. Easy to deal with and very dependable , there quality of work is excellent would highly recommend them for all your commercial and domestic needs.

Sam White
Quality Constructions

I’ve had a great experience with A1 over the years. Their quality workmanship, seamless systems, and strong compliance expertise have given me complete confidence in both business and personal plumbing needs, including gas fitting. Highly recommended for businesses and homes needing reliable plumbing management, whether for capital works or ongoing maintenance.

Jim makes the whole process effortless, so you can focus on what really matters. Sincerely recommended.

Nathan Goulburn

We recently used A1 on our office refurbishment , from quote to works complete , they were easy to deal with and highly efficient, all works were completed to a high standard with photos and compliance paperwork attached for each stage of the works. 

Gunning Community Care 

Recently had a great experience with A1 , we had a blocked drain on a saturday evening , Jim from A1 responded in an hour of our call , he cleared the blockage and used there camera to identify the location of the blockage and found roots entering the drain , very grateful to A1 for getting our plumbing running again.

Carrie
Murrumabteman 

We used A1 to install our combi boiler and radiator heating system to our proerty in Yass.
They supplied a quote with a full scope of works and price breakdown , they turned up when they said and comlpeted the job a day earlier than expected 
All works were of a high standard they sourced the boiler and radiators which we are very happy with.
Would highly recommend 

Pat -Yass 

We use A1 for all reactive and planned maintenance on our property portfolio , they have implemented a planned maintenance programme for all our properties.
All compliance paperwork and certificates are forwarded direct to council for us which helps us get on with running our business.
We use A1 for all our reactive maintenance and they recently replaced a hot water heater after hours late one night to keep the property opertional.
Very easy to deal with.

Mick and Julie - Yass 

Used A1 to replace our hot water unit , we had no hot water! phone call made in the morning and we had hot water by the afternoon really appreciate jim and his team for responding so quick.

Marie - Murrumabateman 

We use A1 for all our reactive maintenance works form Goulburn , Canberra , Jindabyne , Wagga !! Never let us down they respond promptly , constantly attending sites for after hours emergencies works , there communication and reactivness to keep sites operating during works is greatly appreciated.
Easy to deal with and there expertise on petroleum sites is priceless 

Wayne
Sovereign All trades 

Had a blocked drain , A1 responded and cleared the drain with the jetter thing , form phone call to completion less than 3 hours , and we could reuse our toilets 

Jack- Gunning

Used A1 on our new build and renovations since 2016.
There workmanship and eye for detail is second to none.
From planning stage to completion there communication and workmanship is pivotal to help make the porcess to hand over seemless.
We would recommend A1 plumbing 5 stars!!!

Wood and co Building

Had A1 fix a burst water pipe in our ceiling during winter we were in a bit of panic as we could not isolate the water.A1 Responded repaired leak and removed the water damaged Gyprock in our ceiling to make safe.

Helen - Gunning 

A1 Replaced our hot water , great communication and service 

Tim - Yass 

Jim and team repaired a water line in our driveway , used ther locator to trace the pipe and found the leak , cut the driveway repaired the leak and reconcreted.
great service 

Mark - gunning 

Use Jim and the crew for our new house , excellenct service  we used them to install the under floor heating and all the general plumbing.
Excellent service and pricing we would definitely recommend 

Christan - Goulburn 

Used A1 to replace our hot water from electric to solar - Great communication and service 

Terry - Murrumbateman

A1 cleared our blockage on a weekend when no one lese would attend , thank you 

Claire Yass Valley

Used A1 install our septic tank and trench,s at our poperty , great srvice and workmanship.

Emily - Gunning

Replaced our hot water and gas line to unit would recommend 

Micheal - Gunning

Emergency call out at night  repaired leak in wall thanks to mice chewing it!!!!
Great service much appreciated 

Simone - Breadalbane