New home plumbing specialists
We’ve been helping Greater Sydney’s new home builders deliver their projects on time and on budget since 1993. We provide the complete service and certification your project will need, including:
- New home plumbing, drainage and gas fitting
- Hot Water Systems
- Repairs and installations of drainage
- Rainwater Systems, Water Filters & other filtration systems
- Renovations
- Backflow and TMV
- Multi storey home units, commercial & industrial unit complexes
- Aftercare
Here's our rock solid, tried and tested approach:
We work closely with your team to make sure all of their plumbing requirements are being fullfilled throughout the project. Each stage in our process has multiple steps to ensure a quality end product. Here is an overview of our typical process.

Sit down and chat
We will start by discussing your upcoming project and what you hope to achieve. We will make recommendations if required to ensure a high quality and efficient job is completed. We will chat about resources, including materials and labour and agree to timeframes and deliverables.

Site visit
Next we arrange a site visit where we go through all the plans and finer details while on site. You are welcome to join us for this. This is where we will assess the job site and get in front of any potential challenges of the site or plans.

Internal drainage
Once your concreters have formed up, our drainers will begin installation of the internal drainage. We provide highly skilled and hardworking drainers to ensure minimal downtime on the job site, completing most internals within a day. We will organise internal drainage inspections and materials to guarantee a smooth and timely installation.

External drainage
Now that your slab is down and cured, our team will be back onsite to install your stormwater and sewer. Our drainers are experienced with all kinds of stormwater designs whether it be absorption trenching, atlantis cells or raingardens. Similar to internal drainage, we will look after inspections and materials.

Rough in
Once frames are up and good to go, we'll be back onsite. Our process is to get in before the brickies/carpenters while we have full access to the frame from inside and out. This allows us to do a multi storey rough-in within a single day.

Intermediate/Pre-lining stage
Before walls are up we ensure that any adjustments are being made and that you are happy with the progress of your build. At this stage downpipes, lead and box gutters are also being installed.

Finish off
Final stretch, once all interior wall surfacing, tiling etc is complete we come back to site and finish off the job. All fixtures, gas stoves, heaters etc. are installed at this point. We carry out final inspections and tests to ensure the job is handed over to complete satisfaction.

Aftercare
Aftercare says it all. Any issues after handover we are happy to come in and do our best to rectify.
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Why us?
Our meticulous approach means your build stays on track and on budget. We’re small enough to handle low-volume builds, while having plenty of capacity for medium density residential developments. Our team are well trained, respectable and highly capable. When it comes to plumbing new builds, there’s nothing we can’t handle.
Builders who choose Complete
I have had the pleasure of working with Adam and the team at Complete Plumbing & Drainage for more than 10 years throughout my career in residential construction.
Over that time, Adam has consistently demonstrated reliability, professionalism, and a commitment to delivering a high standard of workmanship. His communication is excellent, he takes great pride in his work, and he always goes the extra mile to ensure every job is completed correctly, on time, and to a high standard.
One of Adam's greatest strengths is his ability to work collaboratively with our Site Managers, other trades, and clients to resolve issues quickly and keep projects progressing. His technical knowledge, attention to detail, and commitment to quality have made him a trusted and valued trade partner across countless projects.
I would have no hesitation in recommending Adam and the team at Complete Plumbing & Drainage to anyone looking for a dependable, honest, and highly skilled plumbing contractors, Their commitment to quality workmanship and outstanding customer service is second to none.
Steven Stasiuk - NSW Building Manager
Clarendon Homes
Complete Plumbing & Drainage are a company we can trust. They consistently deliver quality workmanship, communicate well, and are a reliable partner in helping us deliver great outcomes for our customers.
Gavin Spain, Building Manager
Domaine Homes
Complete Plumbing and Drainage are reliable, professional, and consistently deliver high-quality work on time. They communicate clearly, explain options, and keep us informed throughout each job. Because of their dependable service and excellent workmanship, they’ve become one of our most trusted partners.
Dan Homes, General Manager
North Homes
Complete Plumbing and Drainage are a professional, reliable and passionate plumbing company.
Complete provide exactly that, an all-encompassing complete plumbing service which is key to our business.
From back office through to the last site install, they are a pleasure to deal with and give us great confidence as our plumbing provider.
They do not believe in short cuts or cheap alternatives; they take pride in their work and their excellent supervisors drive that sentiment through each of our homes.
Hall and Hart are very proud of our long working relationship with Complete Plumbing and Drainage.
Michael Goodall - Director
Hall & Hart Homes
Meet our team
Complete Plumbing & Drainage are leaders in the plumbing industry, specialising in new residential plumbing, drainage and gas fitting since 1993. Get to know our team and feel free to get in touch for a chat.