Gas Repairs and Installations in Melbourne: What Should You Actually Pay in 2026?

Introduction

Gas pricing has more variables than almost any other plumbing category — and that opacity is exactly why people overpay. Here’s a clear breakdown of what gas work should cost in Melbourne in 2026, and what should always be included.

Repair pricing

• Gas leak detection / pressure test: $250–$450
• Minor joint repair: $350–$650
• Section replacement (1–3m): $700–$1,400
• Larger section / behind-wall repair: $1,400–$2,500
• Full residential gas line replacement: $2,500–$6,000

Installation pricing

• Gas cooktop install (existing line): $280–$550
• Gas cooktop install (new line run): $600–$1,400
• Gas hot water unit replacement (like-for-like): $1,800–$3,200 inc. unit
• Gas hot water (continuous flow upgrade): $2,400–$4,200 inc. unit
• Gas heater install (ducted/space, line work): from $850 (excl. heater)
• BBQ bayonet point: $350–$650

What MUST be included on every gas job

> Non-negotiable

>

> Every gas job in Victoria must be carried out by a licensed gasfitter and accompanied by a Certificate of Compliance. If a quote doesn’t mention compliance, it’s not a real quote.

• Licensed Type A gasfitter on site
• Pressure testing on completion
• Certificate of Compliance lodged with the Victorian Building Authority
• Manufacturer warranty paperwork for installed appliances
• Workmanship warranty in writing

What changes the price

• Distance of new line run (every metre adds material + labour)
• Wall cavity vs slab vs roof access
• Existing line condition (degraded copper may need replacement)
• Appliance brand and model (rebates can offset cost)
• Whether old appliance disposal is included

How to make sure you’re not overpaying

• Get the price fixed in writing — never ‘from’ pricing
• Confirm compliance certificate is included, not extra
• Ask whether disposal of the old unit is included
• Check the workmanship warranty length
• Verify the gasfitter’s licence on the VBA register

FAQ

### Do I need a permit for a new gas appliance?

Compliance certification is required for all gas installation and alteration work in Victoria. Your gasfitter handles this.

### Can you supply the appliance, or do I buy it?

Either. We can supply at competitive trade pricing, or install a unit you’ve sourced — pricing changes accordingly.

### Call-to-action

Need a gas repair or installation quote? Call J.O. Plumbing for a fixed written price including compliance — no ‘from’ pricing, no surprises.

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