Randwick & Eastern Suburbs Gas Fitting, Hot Water & Leak Detection Specialist — Fast, Affordable & Trusted.

Licensed gasfitter & plumber with 18+ years' experience — servicing Randwick, Bondi, Coogee, Maroubra, Woollahra & the wider Eastern Suburbs. Rated 5.0 from 189 Google Reviews.

Call Us 0477 113 726
  About Sterling Gas, Hot Water & Leak Detection

OVER 18 YEARS OF EXPERIENCE

Sterling Gas, Hot Water & Leak Detection is a proud, family-owned business with over 18 years of hands-on industry experience. As your local licensed gas fitter, we specialise in gasfitting, hot water systems, leak detection, and comprehensive plumbing solutions, proudly servicing the Eastern Suburbs and surrounding Sydney areas.
Our founder, Jay Lennox (License No. 486972C), is a fully qualified gasfitter, plumber, drainer, refrigeration and air-conditioning mechanic. Having lived and worked in the Eastern Suburbs for more than a decade, Jay combines Australian expertise with knowledge gained in the United Kingdom, including hydronic heating systems, strict gas compliance, and the installation, servicing and commissioning of boilers and hot water systems.
At Sterling Gas, Hot Water & Leak Detection, we take pride in delivering honest, reliable, and transparent service — from minor repairs to complex installations and urgent emergencies. Whether it’s a hot water issue, a gas fitting job, or precision leak detection using advanced equipment, we’re here to keep your home or business running safely and smoothly.

Our Services

Gas fitting and gas compliance services in Eastern Suburbs Sydney
Licensed Gas Fitter — Randwick & Eastern Suburbs Sydney
For gas fitting Sydney compliance and installation needs, Sterling Gas, Hot Water & Leak Detection has been the trusted, licensed choice for Randwick and the wider Eastern Suburbs for over...

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Leak detection service banner, Sydney
Gas & Water Leak Detection — Randwick & Eastern Suburbs Sydney
Sterling Gas, Hot Water & Leak Detection provides leak detection Sydney homeowners, landlords and strata managers call on when a hidden water or gas leak needs finding fast. Hidden leaks...

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Rheem heavy duty hot water system installed by Sterling Gas, Hot Water & Leak Detection in Sydney's Eastern Suburbs
Hot Water Systems — Randwick & Eastern Suburbs Sydney
Sterling Gas, Hot Water & Leak Detection is the hot water systems Sydney homeowners, landlords and strata managers call for fast repairs, new installations and ongoing servicing — from a...

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Testimonials

WHAT OUR CLIENTS SAYING

Great plumber – very knowledgeable. Will go above and beyond what is needed. Highly recommend.

Ofir S
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Thanks Jay for your prompt and professional services on installing my hot water service

Brett
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Jay was very professional and completed the job with a great deal of care. Communication was great too which is a nice change from other service providers. Highly recommended.

Matt
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Jay is exactly the type of tradie you want to help you with your plumbing needs. Friendly, quality work and at a fair price. Really happy with the work Jay has completed for me, easy to recommend him.

Reuben
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Jay helped install two heat pumps for us and we are very pleased with the results. He left the area spotless and was more than happy to answer any questions we had. I would highly recommend his services.

Roger
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18

Years of Experience

100

%

Customer Satisfication

486

Satisfied Clients by Results

5

.00

Our Company's
Rating

from 189 Google Reviews

Contact us

NEED TO MAKE AN ENQUIRY?

If you have any questions, simply use the contact details or fill out the form below and we'll get in touch with you. We also provide free site assessments before taking on work, and fixed diagnostic fees for certain problems — so there are no surprises.
Sterling Gasfitting and Plumbing sign board on a job site in Sydney
Our Gallery
Sewerin Aquaphon acoustic water leak detection device in use
Residential gas meter installation by Sterling Gas, Hot Water & Leak Detection
Sterling Gas, Hot Water & Leak Detection branded workwear at a gas meter job site
Continuous flow hot water system repair – internal gas valve replacement
Drain access point inspected by Sterling Gas, Hot Water & Leak Detection
Gas pipe installation job site with excavated trench and plumbing tools
Gas leak detection equipment set up at a residential gas meter
Have Any Questions?

RECENTLY ASKED QUESTIONS

What are your hours of operation?

Operating hours 6am till finish. Weekend work & emergencies.

What payment types do you accept?
How many years of experience do you have?
What kind of jobs would you prefer to focus on?
Why should I hire you over other businesses?
How will I know how much the job will cost?
What kind of qualifications, certifications or training do you have?

Certificate 3 in industrial & commercial plumbing & heating engineering apprenticeship
Certificate 4 in gasfitting & plumbing - Australia
Electrical disconnect & reconnect of hot water systems
Electrical disconnect & reconnect of low voltage appliances

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