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Gas-Fitting Work Finished? Which Compliance Details Should a Hills Homeowner Keep?

By The Hills District PlumberPublished 6 minute read

After gas-fitting work, keep the relevant gas certificate, itemised invoice and appliance instructions together. NSW distinguishes network gas compliance certificates from bottled-gas inspection certificates. Check the property and licensee details, and ask the gasfitter to explain any outstanding issues before filing the documents away.

Key takeaways

  • A receipt and a gas certificate serve different purposes.
  • The certificate type depends on the gas supply arrangement.
  • Keep appliance model details, instructions and the completed work scope.
  • Ask the gasfitter to correct missing or inaccurate information.
Plumber preparing a service truck for a job
A gas installation handover should include clear records as well as an explanation of the completed work.

Ask for the right certificate

NSW’s consumer guide to using a gasfitter says completed gas work requires a certificate of compliance for network gas or a certificate of inspection for bottled gas. The certificate must include the licensee’s name and licence number. Ask which applies to your installation if you are unsure.

Do not substitute an appliance warranty card for this record. A warranty concerns the product and its terms; the gasfitting record identifies the installation work. Likewise, a payment receipt confirms a transaction but may say very little about what was tested or installed.

Understand the 2026 submission change

Building Commission NSW’s gasfitter guidance states that BCNSW eCert became mandatory from 1 March 2026. Gasfitters must submit the relevant certificates through that portal within five business days following gasfitting work. Posted or emailed PDFs are no longer accepted as submissions to the regulator.

For a homeowner, the practical question is how and when you will receive your completed record. Ask the contractor to explain the handover arrangements. This article describes the published regulatory process; it does not claim that our team has introduced a new procedure or that a particular job has already been certified.

Check the details while the job is fresh

Review the address, contractor details and description of the work against your booking. If an appliance was replaced, keep its model and serial information where available. A certificate for a different address or a vague invoice deserves clarification before you rely on it later.

  • Does the address match the property where the work occurred?
  • Can you identify the gasfitter and licence number?
  • Does the paperwork describe the installation or alteration you ordered?
  • Are unresolved defects or follow-up items explained?

You are not being asked to inspect gas pipework yourself. Checking the administrative details is a sensible way to spot an obvious mismatch. Technical questions should go back to the appropriately licensed gasfitter.

Keep the appliance handover useful

Ask where the operating instructions are and which controls you may use. For a replacement appliance, retain the model-specific instructions rather than assuming the old unit worked the same way. Ask about ordinary operation, servicing recommendations and what to do if a warning appears.

Keep installation records separate from marketing brochures. A single folder with the invoice, certificate, manual and any agreed follow-up is easier to use when arranging service. If records arrive electronically, save a copy somewhere you can find without searching an old message thread.

Make outstanding work explicit

If something remains incomplete, ask for the item and next step in writing. Avoid treating a casual comment such as “we will sort that later” as a clear handover. Record who is arranging the follow-up and whether an appliance must remain out of use until it is completed.

What to do if a certificate is missing

Contact the contractor with the job date, address and invoice reference. Ask for the correct document or an explanation of its status. Keep that correspondence. If you cannot resolve the issue, use the contact and complaint pathways in the NSW guidance rather than attempting to create or alter a certificate yourself.

For gas fitting in the Hills District, discuss documentation when agreeing the work, not only months afterwards. It is reasonable to ask what the handover will include and how to follow up a record that has not arrived.

Use the records at the next service

When another gasfitter attends, provide the relevant appliance and work history. Explain changes made since the previous visit. Records can reduce confusion about what was replaced, but they do not guarantee the present condition of the installation or remove the need for a fresh assessment.

Quick check

Is your gas-work folder complete?

Look for the relevant certificate, invoice, appliance identification, instructions and any outstanding-work note. Contact the installer about gaps instead of assuming one document replaces the others.

Frequently asked questions

Is an invoice the same as a gas certificate?

No. Keep both: the invoice describes the transaction and work, while the certificate is the relevant gasfitting compliance record.

Which certificate applies to network gas?

NSW consumer guidance identifies a certificate of compliance for network gas installations. Ask the gasfitter to confirm the document for your work.

What about bottled gas?

The NSW consumer guide identifies a certificate of inspection for bottled gas. Supply arrangements should be confirmed with the contractor.

What changed in March 2026?

The regulator made BCNSW eCert mandatory for gas certificate submissions. Ask your gasfitter how your completed record will be provided.

What name should appear on the certificate?

The licensee’s name and licence number must be included. Raise any mismatch with the contractor.

Can I amend a wrong address myself?

Ask the issuing gasfitter to correct the record. Do not edit a certificate to make it appear properly issued.

Should I keep the old appliance manual?

Keep records relevant to remaining appliances, but clearly identify which unit has been replaced to avoid confusion.

Does the certificate replace future servicing?

No. Follow the appliance instructions and obtain an assessment when faults or servicing needs arise.

What if work is unfinished?

Request a clear written list of outstanding items, the next step and any restriction on appliance use.

Can I request paperwork before paying for a future job?

Discuss the documentation and payment terms when agreeing the scope. Do not leave handover expectations until after the visit.

Conclusion

Good gas-work records identify the installation, contractor and completed scope. Keep the relevant certificate alongside the invoice and appliance information, and resolve gaps promptly.

We’re The Hills District Plumber, operated by Antons Plumbing & Gas. Our Hills District gas-fitting service can help you plan the next step. Call us to discuss the proposed work and the information needed for a clear installation handover.

Call Now 0493 824 176