Sydney Water Accredited

Grays Plumbing are proud to be a Sydney Water Accredited Plumber servicing NSW. 

Accredited Plumbers have demonstrated to Sydney Water they have the capability, qualifications and experience needed to carry out the works they are accredited for. Grays Plumbing Services are accredited for all Major and Minor works on all Water and Sewer Mains.

We have dedicated team for all our Sydney Water Minor and Major works construction projects.

  • PE – PE Pipe Systems 
  • LP – Pressure Sewer Systems
  • RW – Recycled Water
  • MS – Minor Sewer
  • S1 – Sewerage Reticulation DN 150 – 300
  • S2 – Sewerage Reticulation DN 375 – 750
  • W1 – Water Reticulation DN 100 – 375
  • W2 – Water Reticulation DN 375 – 750

Commercial and Industrial

Grays Plumbing Services specialise in Commercial and Industrial Plumbing. We collaborate with designers, engineers, architects, builders and other trades to ensure a successful design and construction project. We have an experienced team that makes the solutions for the most difficult and challenging projects. Our experience, reliability and professionalism in plumbing and drainage combined with innovation and commitment allows us to ensure that the project and job at hand is delivered to scope, budget and on schedule.

Our commercial and industrial plumbers are fully licensed, accredited, insured, trained and experienced to implement the range of all strata, commercial and industrial plumbing services for all commercial and industrial projects across NSW.

  • Multi-Storey / High Rise Complexes / Multi Storey Apartment Buildings
  • Medium Density Housing Development 
  • Warehouse, Industrial and Factory Unit / Projects 
  • Gas and Fire Infrastructure 
  • Child, Aged Care, Retirement and Nursing Home Village / Facilities  
  • Commercial Hydraulic Projects
  • Shopping Centres, Retail, Recreational / Sporting Facilities 


Grays Plumbing Services deliver residential maintenance, new residential developments and renovations. We are a well respected company whom offer high quality residential plumbing across NSW. Whatever the plumbing requirements are we can help provide a solution. We work closely with Head Contractors on New Builds and other trades on renovations to complete the project to the highest standard. 

Our team have years of experience, skills and knowledge to take your residential plumbing to the next level. We are professional, reliable and trustworthy.

Weather you are building a new home or completing major renovations to your existing home we are here to assist with any enquiries you may have.

  • New Builds
  • Renovations 
  • General Maintenance 
  • Blocked Drains
  • Hot and Cold Water Services / Water Meter Installation and relocations
  • Sewer and Stormwater Services
  • Rainwater Systems
  • Septic and Pumpout Sewer Systems


Civil Works and Excavation

Grays Plumbing Services is competent when it comes to working in Civil Projects or any projects the include Excavation. We specialise in any Excavation required to complete the job on time.

Grays Plumbing Services work with local authorities and principal contractors to service their asset infrastructure upgrades, renewals and new services.

We have worked on high calibre civil projects throughout NSW, we deliver solutions to all projects Minor and Major including those which have challenges. We have the necessary equipment, machinery and skills to ensure the civil projects are completed in a timely manner and within the design and budgetary requirements.

  • Stormwater mains & Concrete Structure
  • Sewer Mains & Property Connections 
  • Fire Mains and Booster Assembiles 
  • Manhole Construction
  • Major and Minor works to Council Infrastructure 
  • Safe Excavation & Trench Support Systems