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Need a plumber to install or replace a toilet? Call now for a tailored quote.
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“ I’ve used Mario and his team for everything from plumbing (stormwater, hot water, sewer, gas, etc) fencing, building alterations and electrical work. It’s amazing to find good tradespeople that can do anything and do it well. Good communicator and honest work. Highly recommended. “

Joe Sorich — Melbourne, Australia



At Optiflow Plumbing, our licensed plumbers are fully qualified for all types of toilet replacement and installation jobs. We are registered with the Building & Plumbing Commission (BPC), which means you can count on work that meets top standards.
With over 20 years of experience and 3,000 jobs completed across Victoria, we get the job done quickly and reliably. Expect fast installation, quality workmanship and upfront pricing.
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Whether you’re upgrading an old unit or need one for a new space, our toilet changeover services cover any kind.
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We do close couple toilet upgrades and like-for-like replacements.

Our team of licensed specialists installs back to wall toilets.

We do expert wall hung toilet installations, with the bowl floating above the floor.

We service and install toilets with the cistern separated from the pan.

We install toilets that keep the tank hidden, while making sure your plumbing allows for an in-wall system..

We install state-of-the-art smart toilets, fully integrated with features like bidet functions & seat warmers.

Our dual flush toilet installations conserve water by giving flush options: full flush (6 L) and half-flush (3 L).

We do quick urinal installations for both wall-mounted and stall types, whether the bowl is stainless steel, ceramic or waterless.
Our expert toilet plumbers get reliable changeovers done in just a few hours.
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Our installations take two hours on average, durability guaranteed.
We’re proud BPC-licensed installers with top-notch qualifications.
We can get to your door anytime, anywhere in Melbourne.
We come with everything needed for quick & quality work.
We only install toilets from high-calibre brands with proven quality.
We have a proven track record of fast, reliable service.
Adam and Sammy are very good, identified the root cause, provided detailed information.
I recently had Optiflow Plumbing replace my old hot water system, and I couldn’t be happier with the service. The team was professional, punctual, and communicated clearly throughout the entire process. They removed the old unit, installed the new system efficiently, and left the work area clean and tidy.
The quality of workmanship was excellent, and they took the time to explain how the new system operates. It’s refreshing to deal with a company that genuinely cares about customer service and takes pride in their work.
I highly recommend Optiflow Plumbing to anyone looking for reliable and professional plumbing services. Thank you to the team for a smooth and stress-free experience.
Adam and Sam came out to our place to fix a leak, they were legends and got it sorted quickly. Would definitely recommend them to anyone who needs some work done
Quick and easy fix by Adam.
Adem great work. I asked for a short-notice assessment at my place and I’m very grateful for his prompt response. Great service
Adam was fantastic. Very professional and polite.
Adem and Semih came out today and were awesome…
Diagnostics were quick and thorough…
Amazingly thoughtful and a beautiful disposition…
It almost makes me want to adopt them.
Technical know how is impressive and the ability to explain the problem to a lay person is what makes them great….
Punctual and efficient….top notch.
Great service and professionalism from Adem and Sam! We have some signs of a balcony leak and they were great at operating independently and professionally to investigate the leak while I worked from home. Adem explained his findings clearly and succinctly to me and I would happily seek out Optiflow plumbing in the future.
Thanks 🙏 Sam and Adam great service fast and reliable
Adem and his crew just came to do some maintenance at our rental. They were friendly and did an amazing job with our blocked drains. They felt safe and trustworthy and I would highly recommend. Great Job!
Upgrade your property with a brand-new toilet. Call now for a tailored quote.
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In Melbourne, toilet replacement cost can range from $275 to $800 or more. Prices usually depend on the type of installation and project complexity. Basic replacements, which involve fitting a new toilet into existing plumbing, can cost around $300, while jobs that require plumbing adjustments or more expensive units can cost upward of $1,000.
It depends – an experienced handyman can usually do basic toilet replacement. However, it’s still best to get a licensed plumber to ensure professional and Plumbing Code-compliant work, especially for more complex toilet replacement and installation jobs.
No, you can’t just replace your toilet with any other unit. Your replacement toilet has to be compatible with your existing plumbing system and bathroom layout. Like-for-like toilet replacements use the exact location and plumbing as your old unit, and are easier to connect to your water and waste pipes.
Yes, you generally need Strata approval for toilet replacement, particularly if it requires plumbing. While cosmetic changes like getting a new toilet seat usually don’t need approval, a full toilet replacement does, because it can affect shared water and waste systems. You can check if your replacement complies with Strata policies.
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