Plumber Melbourne, VICUpdated September 2026
Selected guide range
$1,500–$4,600per job
Mid point $2,400 per job
VIC (about −5%) · Built 1990–2010 · Other factors typical · Not a personalised quote
VIC is preselected for Melbourne. Change the location or property age to update the range.
Median reported amount $2,000 · Based on 31 reports · Report years: 2018–2026A tradie-ready brief: scope of work, site checks, decisions, budget range and PDF. $9.50 AUD one-off.
Victorian Energy Upgrades (VEU) rebates can substantially reduce the cost of switching to a heat pump in Melbourne. Without rebates, hot water system replacement runs $1,500–$4,600 per job, with like-for-like electric or gas storage swaps at the lower end.
Hot Water System guide ranges, per job, for five major cities, using the same state and territory adjustments. Select a city to open its guide.
Ranges use each city’s state or territory adjustment to the Sydney baseline, rounded to the nearest $50. They are not quotes. View the national guide.
A standard quote covers old unit removal and disposal, supply and installation of the new system, plumbing connections compliant with AS/NZS 3500 Plumbing and Drainage, tempering valve (required under AS 3498), and a compliance certificate. Gas work requires a separate compliance certificate from Energy Safe Victoria. Changeover jobs (for example, gas storage to heat pump) will involve additional electrical work quoted separately.
Price reports shared by Australian homeowners.
Homeowner-reported amounts, with badges showing whether each was paid, quoted or unspecified.
Based on 31 reports · Report years: 2018–2026
Showing reports from across Australia — too few reports for Victoria alone.
| Year & location | Scope of work | Reported amount |
|---|---|---|
| 2026VIC | Rheem 26L 50C gas continuous flow; remove solar storage system; cap panels; alter pipework; valves; supply and install | $4,300Quoted |
| 2026Australia | Rheem Everhot 80L storage tank; remove existing tank and replace | $3,000Quoted |
| 2026NSW | new hot water system; supply and installation | $3,212Quoted |
| 2026VIC | full hot water system replacement; tight laundry access; electrician additional | $4,200Quoted |
| 2026WA | 50L electric storage replacement; installed | $1,500Reported paid |
| 2026WA | 50L electric storage replacement; installed | $2,000Quoted |
| 2026Australia | replace 50L tank with 120L Reece system | $3,300Quoted |
| 2026WA | 50L wall-mounted electric like-for-like replacement | $2,200Quoted |
| 2026Australia | 250L external storage replacement; full replacement and installation | $1,790Reported paid |
| 2026Australia | hot water system replacement | $4,000Reported paid |
| 2025WA | Like-for-like hydropower unit replacement | $1,200Price type unknown |
| 2025Australia | Replacement of hydropower unit (1k unit + 300 labor) | $1,300Price type unknown |
| 2025WA | Rinnai electric storage system; gas storage to electric storage conversion; quote | $2,200Quoted |
| 2025Australia | hot water system replacement; delivered and installed; old unit removed | $1,200Reported paid |
| 2025QLD | outdoor gas storage replacement; supply and install | $2,400Reported paid |
| 2025NSW | Rinnai 315L storage system; supplied and installed; old tank removal | $2,000Reported paid |
| 2025Australia | Therman 250L storage replacement; relocated from laundry to outdoors; no electrical work | $2,200Reported paid |
| 2025VIC | hot water system replacement; supply and install | $1,600Reported paid |
| 2025Australia | Rinnai Infinity 26L gas continuous flow with controller; supply and install quote | $1,900Quoted |
| 2025Australia | replace a gas storage hot water tank like for like | $2,100Quoted |
| 2025Australia | replace a gas storage tank with a continuous flow gas unit | $3,000Quoted |
| 2024Australia | 50L electric storage hot water tank replacement in a unit/apartment; billed during working hours | $4,800Reported paid |
| 2023QLD | Replace hot water system | $1,500Price type unknown |
| 2023Australia | supply and install a Rheem or Rinnai continuous flow gas unit replacing a Bosch | $1,800Quoted |
| 2023Australia | swap a Rinnai for a basic Bosch P10 continuous flow unit (LPG) | $1,700Reported paid |
| 2022Australia | replace a failed solar/electric system with gas hot water including running gas lines through the roof space | $3,000Reported paid |
| 2020Australia | supply and install a Rinnai B26 continuous flow unit replacing an old storage system | $2,000Reported paid |
| 2019Australia | replace an old gas storage tank with a Rinnai Infinity 20 continuous flow unit with controller (not a straightforward install) | $1,900Reported paid |
| 2018Australia | Vulcan storage hot water system supplied and installed | $1,700Quoted |
| —SA | continuous flow hot water system replacement | $8,000Quoted |
| —SA | continuous flow hot water supply and fit incl power point | $1,770Quoted |
Sparky collects public homeowner reports from forums such as Reddit, Whirlpool, OzBargain and PropertyChat, review sites such as ProductReview, and a few direct submissions. We read each source thread before adding a report but do not verify the underlying transaction. Reports include amounts paid, quotes received and amounts with an unknown price type; the statistics combine these types. GST treatment is usually unknown, and inclusions vary. Amounts are in Australian dollars and are not adjusted for inflation. The statistics describe this collection only. Compare scope, location and year before using them as a reference.
A like-for-like gas continuous flow replacement in a modern townhouse with good access sits toward $1,500. A gas-to-heat-pump changeover in a Victorian-era cottage in Fitzroy with limited outdoor space, switchboard upgrade needed, and aged gas pipework to disconnect pushes toward $4,600. Most Melbourne jobs land around $2,400.
Hot water failure in Melbourne's winter months from May to September is a genuine emergency when overnight temperatures drop to 5 degrees C or lower. After-hours and weekend callouts for urgent replacements carry premium rates compared to scheduled work. If the system is still producing some hot water, booking during business hours saves money. For a complete failure in winter, most Melbourne plumbers offer same-day or next-day emergency service at a higher cost.
Victoria's gas replacement rule. Under regulations made in December 2025, from 1 March 2027 a mains gas hot water system in an existing home cannot be replaced with another mains gas unit, unless an exemption applies. Exemptions include insufficient space, central gas systems in apartments, or a switch requiring a switchboard or network upgrade. Repairs remain allowed, and bottled LPG is not covered. The Opposition has pledged to repeal the rule if it wins the 28 November 2026 state election, so check the rules before booking a replacement. The rule covers owner-occupied and rented homes. Rentals also have a separate minimum standard requiring a failed hot water system to be replaced with a heat pump or electric-boosted solar.
Rebates can reduce the upfront cost. VEU discounts are around $560 when replacing gas with a heat pump or $630 when replacing electric, applied at point of sale by accredited providers and varying with certificate prices. The Solar Homes hot water rebate offers $1,000, or $1,400 for an eligible locally made unit, capped at 50% of the price after other discounts. From 1 July 2026, eligibility requires an owner-occupier household with combined taxable income under $150,000, a property valued under $3m and an existing system at least three years old; one hot water or battery rebate is available per address. The state government says combined Solar Homes and VEU savings can reach $2,030 for a locally made system. Adding federal STCs of about $450–$700 brings the maximum total discount to about $2,700. Ask your plumber which discounts they can process and include in the quote.
Cold climate heat pump performance. Melbourne winters can drop below 5°C overnight, but modern heat pumps are engineered for operation down to -10°C or -15°C. COP (Coefficient of Performance) drops from ~4.0 in summer to ~2.0–2.5 on cold mornings, but even at COP 2.0, a heat pump uses half the electricity of a standard element. CO2 refrigerant models (Reclaim Energy, Sanden) hold their COP better in cold weather. Cheaper models may rely on an electric booster element below 5°C.
Inner suburbs. Victorian-era homes in Fitzroy, Carlton, and Brunswick often have limited outdoor space for heat pump placement. Flexible gas connectors older than five years must be replaced under Energy Safe Victoria requirements during any gas-related work. Melbourne's soft water means less mineral buildup and longer tank life than Perth or Adelaide.
For water supply emergencies, contact Yarra Valley Water (13 27 62), South East Water (132 812), or Greater Western Water (13 44 99).
All hot water work in Victoria must be done by a plumber registered through the Victorian Building Authority. Gas-related work requires a gasfitter endorsement, and the plumber must issue an ESV compliance certificate for any gas installation or disconnection. Ask whether they handle VEU rebate paperwork. Some plumbers partner with certificate providers and apply the discount at point of sale.
Estimates are based on current trade rates for licensed plumbers in VIC, adjusted for Melbourne labour costs and typical material prices. All figures include GST. Ranges cover straightforward replacements through to system changeovers.
Pricing adjusted for Melbourne's specific housing stock and common complications by era.
All prices in AUD including GST. Prices are per job. Estimates only. Last updated September 2026.
A tradie-ready brief: scope of work, site checks, decisions, budget range and PDF. $9.50 AUD one-off.
VEU rebates reduce the upfront cost of upgrading to an energy-efficient hot water system like a heat pump. The rebate is applied as a point-of-sale discount by accredited providers. Not all plumbers are accredited to process VEU claims, so ask upfront whether the rebate is included in the quote or if you need to arrange it separately.
Modern heat pumps are designed to operate in temperatures down to minus 10 degrees C and perform adequately in Melbourne's winter lows of 3 to 7 degrees C. Efficiency drops in colder weather compared to Brisbane or Perth, but running costs are still substantially lower than gas or electric storage. Choose a unit with a high coefficient of performance (COP) rating for cold climates.
Yes. Any gas-related work in Victoria, including disconnecting and capping a gas line, must be done by a plumber with a gasfitter endorsement. They must also issue a compliance certificate through Energy Safe Victoria (ESV). If your plumber does not hold a gas endorsement, they will need to arrange a licensed gasfitter separately.
Flexible gas connectors have a manufacturer-recommended lifespan of 5 years and must be replaced when they expire. Energy Safe Victoria requires replacement during any related gas work. If your gas hot water system is being serviced or replaced, the gas fitter should check the connector date stamp and replace it if overdue.