Prime Plumbing & Gasfitting
Prime Plumbing & Gasfitting

Plumbing & Gasfitting in Malvern East

Malvern East (3145) is middle-Stonnington family suburb, period and older homes, mostly owner-occupied, with a wave of 1990s-2010s renovation work overlaying the original plumbing. The single most distinctive Malvern East callout right now is solar hot water replacement, the 2008-2012 rebate-era systems are reaching past service life en masse.

Fixed-price quote in writing before any work begins. BPC #103414 on every Compliance Certificate. Type A gasfitter for any gas-boost solar conversion or gas-replacement install.

Call 0475 407 670 or send your Malvern East address through the form below.

Alister Williams, founder of Prime Plumbing & Gasfitting

Failed or past service life solar hot water, second-bathroom or renovation rough-in, or other plumbing on a Malvern East property? Send your address through the form below.

  • BPC #103414: licensed plumber + Type A gasfitter
  • Solar HW transition experience: panel decommission, replacement-type advice, like-for-like or conversion
  • 4.8 stars on Google
  • Mon-Fri 7-6, Sat 8-1

Compliance Certificate on every solar HW replacement

WaterMark certified plumbing
BPC Plumbing & Building Compliance Authority
Water Rating certified
Backflow Prevention Association of Australia
Australian Home Heating Association
Master Plumbers Association
Roof-mount decommission, new unit install, gas or electric, Compliance Certificate lodged with BPC.

Solar hot water in Malvern East: the rebate-era units are due

Between 2008 and 2012 the federal solar hot water rebate scheme drove mass uptake of roof-mounted thermosiphon and split-system solar HW in suburbs like Malvern East. Those units have a 10-15 year design life on the tank, with the collectors usually lasting longer. Most of the rebate-era installs are now at or past that mark. The first sign is usually a leak from the roof-mounted tank, a failed pump on a split system, or repeated thermostat issues. Replacement decisions involve real trade-offs, like-for-like solar, gas continuous-flow, heat pump, and the right answer depends on the household and the roof orientation.
Hot water system installations
Hot Water Installs
View hot water services
burst and leaking pipe repair
Burst and Leaking Pipes
View burst & leaking pipe repairs
Leaking Tap Repair
Leaking Tap Repairs and Installations
View tap repair services
Prime Plumbing Toilet Installation
Toilet Installations and Repairs
View toilet services

Roots in the sewer: act on the first slow drain

Reactive solar HW replacement during a winter cold-snap is expensive and constrained, stock, scaffold and roof access are all at premiums. Planned replacement in the warmer months lets you choose the unit, the install date and the comparison-quotation between solar, gas continuous-flow and heat pump. We can do the assessment visit and quote three options.

Certificates with every Malvern East install

Decommissioning the old roof-mounted tank and panels, installing the new system (solar, gas or heat pump), and the associated plumbing alterations, Compliance Certificate from a licensed plumber, lodged with BPC. Gas conversion requires Type A gasfitter endorsement (we hold it).

What we get called to in Malvern East

The five recurring patterns:

  • solar hot water replacement, the 2008-2012 rebate wave is reaching past service life; decision points are like-for-like vs gas continuous-flow vs heat pump
  • second-bathroom and rear-extension rough-in, 1990s-2010s additions that the original-build plumbing wasn't sized for; partial re-rough-in is common
  • PVC sewer root intrusion under mature-canopy streets, Wattletree Road, Burke Road areas in particular; CCTV first, then targeted sectional replacement
  • second-generation renovation rough-in, homes renovated 25-30 years ago that are now ready for the next round; fixtures, appliances and layouts all changing again
  • non-solar hot water replacement, gas and electric storage units installed during the renovation wave; same past service life pattern as elsewhere in the inner-east
Blocked drain and pipe clearing

Blocked Drains and
Pipes

Tree roots, grease buildup, or debris can cause slow-draining sinks and overflowing toilets. Our team use professional tools and methods to clear drain blockages quickly and prevent future damage.
Leaking tap and fixture repair

Leaking Taps and
Fixtures

A constant drip wastes hundreds of litres of water each month. We repair or replace leaking taps and shower fittings, keeping your home water-efficient and damage-free.
Hot water system repairs and installation

Hot Water System Repairs and Replacements

Whether your system has lost pressure or isn’t heating properly, our team provides hot water repairs and installations in Malvern East, including electric, gas, and solar systems.
Gas leak detection and repair

Gas Leaks and
Safety Risks

If you notice the smell of gas, it’s crucial to act fast. Our licensed Malvern East gasfitters can safely detect and repair leaks, ensuring your family’s safety.
Gas heater and appliance installation
Gas Appliance
Installation
From gas stoves and heaters to BBQ lines and fireplaces, we install and service all types of gas appliances. Our precise fittings guarantee efficient performance and long-term safety.
Water shut-off valve and pipe repair
Routine Gas System
Inspections
Regular gas checks prevent costly breakdowns and keep your system compliant with current safety codes. We recommend annual inspections to keep your gas lines and appliances operating perfectly.

The crew for Malvern East family homes

Solar HW replacement is a real decision-point conversation, not just a like-for-like swap. We do the assessment visit, walk through the three replacement options with you (with honest pros and cons for your particular setup), then quote the one you choose. Same approach on second-bathroom and renovation rough-in. BPC #103414, Type A gasfitter.
Hot water system installations
Solar hot water replacement
Malvern East service line, 2008-2012 rebate-era solar HW reaching past service life. Three replacement options compared on cost and run-rate.
See details
burst and leaking pipe repair
Second-bathroom rough-in
Adding an ensuite or rear-extension bathroom, new supply, waste, hot water sizing review, Compliance Certificate.
See details
Leaking Tap Repair
Blocked drains
Mature-canopy sewer-root intrusion is the Malvern East pattern. CCTV first, then sectional replacement of the affected joint for a permanent fix.
See details
Prime Plumbing Toilet Installation
Renovation plumbing
Second-generation kitchen and bathroom renovations on homes that were last renovated 25-30 years ago. Rough-in, fit-off, commissioning.
See details

Hot water changeovers done licensed and right

Alister Williams (BPC #103414), Victorian plumber's licence plus Type A gasfitter endorsement. Solar HW work includes decommissioning the old roof-mounted unit, installing the replacement (whether like-for-like solar, gas continuous-flow or heat pump), and any associated gas or electrical coordination. Backflow endorsement for irrigation-fitted properties.

Family-suburb pricing on family-suburb work

Malvern East is owner-occupied family housing, not the premium-property segment. Our pricing reflects that, same rate schedule we apply across Stonnington, transparent quote in writing, no surprise mid-job invoice.

Replacement pricing you can compare

For solar HW replacement, the cost difference between like-for-like solar, gas continuous-flow and heat pump can be significant, and the running cost over 10 years differs too. We quote all three options on request so you can compare on purchase price and ongoing cost. No upsell pressure, your call after the comparison.

About Alister

Alister Williams runs Prime Plumbing & Gasfitting, operating since 2014. Malvern East is a core inner-southeast service suburb; solar HW replacement work, second-bathroom additions and mature-canopy sewer work are all regular bookings.

Credentials:

  • BPC Plumbing Licence #103414
  • Type A Gasfitter Endorsement: Energy Safe Victoria
  • Backflow Prevention Endorsement
  • Master Plumbers Australia member

Hot water replacement is half-decision, half-installation. The decision part, solar vs gas vs heat pump, is worth having properly before the install starts.

Malvern East plumbing FAQs

Q: Do you service Malvern East (3145)?
Yes, Malvern East is a core Stonnington service area. Mon-Fri 7-6, Sat 8-1.

Q: My solar hot water is still working but it's from 2010, replace now?
Worth getting the assessment. Tanks at the 15-year mark are running on borrowed time; the failure mode is usually a tank leak that drips through the ceiling. Planned replacement is calmer than reactive.

Q: Should I replace my solar HW with another solar HW, or go gas / heat pump?
Depends on the household. Heat pump is most economical to run on a typical small-to-medium family load and has the best 10-year total cost; gas continuous-flow has lower upfront cost and instant hot water; like-for-like solar has the best green credentials and the longest payback. We can quote all three for comparison.

Q: I'm adding a second bathroom, what's the plumbing scope?
New supply tee-off from the existing main, new waste with floor waste, hot water tee from the existing main (and potentially a second hot water unit or larger main unit depending on the load increase). We scope and quote.

Q: Recurring sewer blockages every spring, what's the fix?
Tree roots into a single compromised joint. CCTV inspection identifies the joint; sectional replacement of that joint stops the cycle. Annual jet-clearing buys time but doesn't fix the underlying problem.

Q: How quickly can you attend a Malvern East emergency?
Malvern East is close in, typical confirmed after-hours emergency ETA is 30-45 minutes.

Recent Malvern East jobs (anonymised)

Representative jobs from Malvern East over the last six months:

  • Solar HW to heat pump conversion, Burke Road area: 2009 rebate-era roof-mounted solar past service life. Owner chose heat pump replacement for running cost. Old unit decommissioned, panels removed, new heat pump installed at ground level; Compliance Certificate issued.
  • Solar HW like-for-like replacement, Tooronga Road area: owner preferred solar continuity; 2008 unit replaced with current-generation thermosiphon. Panel cleaning and re-securing as part of the install.
  • Second-bathroom rough-in, Waverley Road area: 1930s period-era home with rear ensuite addition. New supply and waste, gas hot water unit upsized from 26L to 32L continuous-flow to handle the increased load.
  • CCTV-led sewer sectional replacement, Wattletree Road area: third consecutive year of late-spring blockage. CCTV showed roots from a street elm at one older joint 8m from the IS. Sectional replacement in PVC, permanent fix.

Malvern East emergencies: what to do first

Quick steps, solar HW specifics noted:

Solar HW tank leaking through the ceiling

  1. Shut the cold supply to the unit at its isolation valve (normally accessible at ground level on the supply side of the system).
  2. Shut electricity to the booster element if it's a gas-or-electric boosted unit.
  3. If significant ceiling staining, place a container under the affected area and puncture a small drain hole to control the flow.
  4. Photograph for insurance, solar HW tank failure is a common claim.

Active leak inside the house

  1. Try the local isolation valve.
  2. If no isolation or it doesn't shut, water off at the meter.
  3. Open the lowest tap to drain pressurised water.

Sewer back-up

  1. Stop using internal drainage.
  2. Check the IS at the boundary, overflow = your side; clear = downstream.

What we promise on Malvern East work

Three things on every Malvern East job:

  1. Three-option comparison on solar HW replacement. Like-for-like solar, gas continuous-flow, heat pump, quoted side by side so you can compare honestly.
  2. Compliance Certificate where required. Hot water, gas, new rough-in, lodged with BPC, copy to you.
  3. Fixed quote on the option you choose. No mid-job surprise; variations only after written re-quote.

Small business. BPC #103414. Operating since 2014.

Malvern East-relevant services

The services that come up most often:

Solar unit struggling? Get ahead of the cold shower

Fixed-price quote on Malvern East plumbing or gasfitting, solar hot water replacement, second-bathroom and renovation work, blocked drains, gas appliance installs. Call 0475 407 670 or send your address through the form below.

The team working on a fireplace installation

Get a Malvern East quote sorted

Include your Malvern East property address, what's planned (solar HW assessment, renovation rough-in, blocked drain, etc), and rough age of the current hot water system if you know it. We'll respond with a written quote, typically same business day for non-emergency work.

Please enable JavaScript in your browser to complete this form.
Click or drag files to this area to upload.You can upload up to 20 files.
You can upload files like: JPG, JPEG, PNG, HEIC.
Prime Plumbing & Gasfitting
Prime Plumbing & Gasfitting, Melbourne’s trusted name in professional plumbing and gas services. I’m Alister Williams, a licensed plumber with over ten years of industry experience, proudly serving homes and businesses across Melbourne.

Support

  • Melbourne
  • admin@primeplumb.com.au
  • 0475 407 670
Copyright © 2026 Prime Plumbing & Gasfitting. All rights reserved.
BPC Licence No. 103414  ·  ABN 12 721 359 467  ·  Fully Insured  ·  Serving Melbourne since 2014