Cooktops, heaters and gas lines installed, tested and certified. In a house extended for seventy years, we test what the appliance connects to, not just the appliance.
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In a house built as one job, the gas went in as one job. Everything is the same age, the same material and the same standard, and a plumber can reason about it as a whole.
These houses were not built that way. The orchards were subdivided from the late 1940s and the houses have been extended ever since: a bathroom, a kitchen moved, a room on the back, a heater added one winter.
Gas followed the house. A run to the kitchen, another added later for the heater, a third when the extension went on, each by a different person at a different time and to the standard of that time.
So the honest starting point is that nobody knows what is there until it is tested. That is not alarming, and most of it is perfectly sound. It is a reason to test the installation rather than to certify a new appliance on top of an assumption.


Leave the house, touch no switches, turn the meter off only if it is safely on your way, and ring from outside.
A run to the kitchen, another for a heater, a third with the extension. Different people, different decades.
Which is ordinary, and it is why testing beats assuming.
Work done properly in 1970 was done to 1970's requirements.
That is not a criticism of anybody, and it is a reason to look before adding load.
Adding a cooktop or a heater to an installation that grew piecemeal is a capacity question as well as a connection one.
Usually answerable, but a question rather than an assumption.
It is legally required and it is the one durable proof the work was done to standard.
In a house with a long history of small jobs, it is worth having and worth keeping.
It cannot be certified, and it voids a home insurance claim.
There is no small-job exemption in NSW and there is no version of this that saves money.
Fixed price agreed before anything starts. These are indicative 2026 ranges and the Certificate of Compliance is included in every one of them.
The installation pressure tested, with a written result.
Connected, tested and certified, with the paperwork handed over.
Depending on the run and what it has to pass through on the way.
Installed and certified, sized for the appliance rather than for convenience.
Legally required, and issued on every gas job without being asked for.

When it was built and whether it has been extended. That tells us how many separate pieces of work we are likely to find.

A pressure test on what we are connecting to, so nothing gets certified over an existing fault.

Installed and commissioned properly, sized for the appliance rather than for whatever was easiest to run.

Issued on the spot, and worth keeping with the house papers.
Leave the house first, then ring us from outside. Do not touch a switch on the way out.
Call 1300 381 569
Get everyone out first. Do not touch a light switch or any other switch, and do not use a phone inside. If the meter is safely on your way out, turn it off. Then ring from outside. This is the one situation where doing nothing clever and simply leaving is right.
Because in a house that has been added to since the 1940s, the gas runs were rarely put in as one job. A line to the kitchen, another added for a heater, a third when a room went on the back, each by a different person at a different time. Certifying a new appliance on top of that without testing what it connects to proves very little.
The document a licensed gasfitter issues certifying the work was done to standard. It is legally required, and it is the only durable record the job was done properly. Keep it with the house papers, because insurers ask and so does a conveyancer at sale. We issue one on every gas job without being asked.
No. Gas is licensed work in NSW with no exemption for a small job or a capable owner. Unlicensed work cannot be certified and it voids a home insurance claim, which makes it an expensive way to save an afternoon.
The installation. Certifying a new cooktop on a line that is losing somewhere else achieves nothing, so we pressure test what we are connecting to. If something else is wrong you hear about it before we leave, with a price attached rather than a vague warning.
Usually, and the question is the run rather than the permission. In a house that has grown, the sensible route is not always the obvious one, and establishing it before anything is ordered is cheaper than discovering it afterwards.
A leak test on the installation is $150 to $300. A cooktop connected and certified is $250 to $500. A new gas point is $450 to $1,200 depending on the run. A heater bayonet is $300 to $600. The certificate is included in all of it.
Tell us roughly when the house was built and whether it has been added to. Those two answers say more about the gas installation than the appliance does.
Installation tested, certificate issued as standard, and the licence number on the quote.
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