Construction Adelaide

If you're in the Adelaide area and need construction plumbing, National 1 Plumbing is the company to call. We offer a wide range of construction plumbing services to commercial and residential customers. 

No matter your needs, we're sure to be able to help. We understand that plumbing is a vital part of any construction project, which is why we offer a comprehensive service that covers all aspects of construction plumbing.

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Our commercial construction plumbing services 

If you are building a new home or office, you must find a reliable construction plumbing company to take care of all your plumbing needs. This is where our team at National 1 Plumbing Adelaide comes in.

Project management plumbing 

We understand that plumbing projects can be complex, and often, it is necessary to coordinate with other trades. That is why we offer project management services to our clients. Our experienced team will work with you to develop a project plan and schedule that meets your needs and budget. 

We will also coordinate with other trades to ensure your project is completed on time and within budget. We understand that every project is different, and we will work with you to create a customised plumbing solution that meets your specific needs and budget.

Main water plumbing 

If your home is like most, the main water line is the source of all water coming into your home. This line brings fresh water from the municipal water supply to your home. Your home's main water line is a vital part of your plumbing system, and keeping it in good working order is crucial.

At National 1 Plumbing, we proudly offer main water line plumbing services in Adelaide. We have a team of certified plumbers who are ready to help you with any main water line needs you may have. 

Whether you need a new main water line installed or your existing line repaired or replaced, we are here to help. We also offer main water line inspection and cleaning services to help keep your line in good working order.

The suppliers & brands we trust

Don't let a leaky tap turn into a flood! Contact us now for fast and reliable plumbing repairs.

Contact our professional plumbers at National 1 Plumbing today for all your plumbing and maintenance needs!

Fire hydrant & hose reel protection system installation

At National 1 Plumbing, we provide quality fire hydrant and hose reel protection system installation services to Adelaide businesses and homes. Our highly skilled and certified technicians are dedicated to providing the best possible service to our clients. 

We understand that installing a fire hydrant and hose reel protection system is a significant investment that should not be taken lightly. That's why we offer a free consultation to all our clients, so you can be sure that we're the right company for the job. 

We'll sit down with you, go over your specific needs and requirements, and provide you with a detailed quote, so you know exactly what you're getting. The installation process is relatively quick and straightforward, and our team will ensure that everything is installed correctly and to code. 

Once the installation is complete, our team provides you with a comprehensive training session, so you know how to use the system and what to do in the event of a fire.

New sewage installation 

Sewage systems are essential to any home or business, and it's vital to ensure they are installed correctly. National 1 Plumbing has the experience and expertise to get the job done right, and we're always here to answer any questions you may have. 

We understand that installing new sewage systems can be a daunting task, but our team will walk you through the entire process from start to finish. Our experienced plumbers ensure everything is installed correctly and functioning properly before we leave.

Hot water  installations 

We understand that hot water is essential to any home or business, so we offer a wide range of hot water installation services. Our construction plumbers also understand that not everyone is familiar with hot water installation, so we offer a free consultation to all our customers. 

During this consultation, we will assess your needs and provide you with a free quote. We will also answer any questions you have about the process and help you choose the best system for your needs.

Drainage pipe fittings

Drainage pipe fittings are an essential part of any drainage system, and they play a vital role in ensuring that water is properly drained away from your property. Water can pool around your foundation without proper drainage, causing severe damage over time. 

National 1 Plumbing offers a wide range of drainage pipe fittings to suit any need, and our experienced team is always on hand to help you choose the right product for your project. National 1 Plumbing is always here to help, so give us a call today!

Professional construction plumbers

At National 1 Plumbing, were available 24/7 for all your construction plumbing needs, and we're always happy to answer any questions you may have. We're proud to be the leading construction plumbing company in Adelaide and always looking for new and innovative ways to improve our service.

If you're looking for a construction plumbing company that can handle any job, big or small, then look no further than We do construction plumbing Adelaide. We're always here to help and always happy to answer any questions you may have. Contact us today to get started on your next project!

What customer service do you offer?

  • Dedicated account manager with a single point of contact for our customers
  • Customer service reports and JSA’s completed for each site visit, a copy of which is provided to the customer on completion of the job
  • Standard operating procedures written for all clients

Work Health Safety

We are compliant to Australian standards for Work Health Safety.

  • Adhere to AS/NZS ISO 9001:2008
  • Work Method Statements/JSA’s, Site Audits for every job
  • Testing & tagging of all electrical equipment 3 monthly
  • Formalised management plan

Do your staff have security clearances?

  • Current National police clearances for all employees and inducted subcontractors
  • Upgraded DCSI clearances for all maintenance team members

What are some of the other benefits that make National 1 Plumbing who they are?

  • We guarantee 100% work and service for every client.
  • There are NO hidden costs – formal explanation of the job before servicing.
  • Time management and continuity are high on our service priority.
  • We pride ourselves on customer satisfaction with long-lasting service relationships.
  • We have 46 staff in our team who are talented, professional and hard working.
  • We have dedicated account managers to assist you.
  • We have a comprehensive safety policy – employees and customers can sleep well at night knowing that the job will be carried out in a proper and safe manner.

Is National 1 Plumbing connected with an industry association for credibility?

Yes we are members of HIA Housing Industry Association.

National 1 Plumbing offers same day service don’t they?

We pride ourselves on our follow through and follow up rate. We offer same day service for all domestic and commercial emergencies.

Does National 1 Plumbing have insurance?

  • Public liability insurance to 20 million dollars
  • Plant and vehicle insurance to cover on site vehicles and large plant

Does the staff have the relevant qualifications and training?

All staff members are formally trained and qualified to meet the requirements at hand.

Just Some Of Our Happy Customers

"Absolutely brilliant customer service and such a great team of experienced plumbers! Fast, reliable and professional! Can not recommend these guys enough!"

Hayley T.

"I thoroughly recommend National 1 Plumbing & Maintenance Service. They were brilliant and I’ve used them since for two more jobs."

David R.

"Have used these guys a few times now, nothings too hard, great work and professional service. Thank you N1P :)"

Robert Y.

"They were prompt, they were easily contactable, clearly knew their stuff, they were flexible and committed and got the job done on time, no dramas."

Sid N.

Contact us

Our team is excited to hear from you!

230 Grange Road Flinders Park 5025