Over 90 years combined experience

One of the most recommended Plumbing businesses on the Northern Beaches and North Shore!! Combining over 90 years of experience, established on Sydney's Northern Beaches since 2012, servicing Sydney area.

Why Us?

On time and available 24/7

From big projects like construction, strata and commercial to quick small fixes, all size jobs.

our hard work keeps you on budget!

Honest, friendly, polite and clean

Broad experience

Support a family local business, dedicated to each individual customer's problems.

D&C Contracts

Fully licensed and insured

Contact Us

Plumbing Services

commercial maintenance plumbing northern beaches sydney

Commercial Maintenance

For commercial based premises maintenance, renovations, upgrade, construction, preventive maintenance programs. We have the professional office structure and the trusted plumbers to handle significant size projects such as commercial kitchens, full restaurants, commercial building etc. Experienced in working with commercial Strata companies or real estate agencies, and with business individually ran.

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Residential maintenance

Coordinating with Strata, Property managers or directly with owners and tenants. Always providing clever diagnoses and efficient repairs of all kind (pumps, hot water heater, taps, toilets, hot/cold water services, change location of taps, gas outlet etc. and many more!), also specialist in leak detections and guru in stubborn unsolved issues.

Construction plumber northern beaches Sydney


From kit homes to large luxury family homes, granny flats and unit blocks.

Construction Services
renovation plumber northern beaches Sydney


Bathroom, kitchen, laundry and conversion renovations for commercial, residential and outdoor.

Renovation Services
Fire services plumber northern beaches Sydney

Fire services

Always a big project to install and/or a lot of maintenance to be taken very seriously. Trust our plumbers experience to keep your system safe and efficient.

Blocked sewer plumber northern beaches Sydney

Blocked sewer

CCTV inspection & unblocking with JETTER available

Blocked Sewer Services
Drainage plumber northern beaches Sydney


Design, construct, install, repair, replace: sewers, stormwater lines, pits, grates, drains, pump, agg lines/ substrate drainage (below ground level, if you have water under your house!) grease arrestor/ trade waste. Fair trading inspections, excavation

Gas fitting plumber northern beaches Sydney

Gas fitting

Equip a full commercial kitchen, bring gas heating into your home, install gas appliances in your kitchen, move or install a gas meter, spoil your home with an outdoor gas BBQ/pizza oven, diagnose and repair scary gas leaks etc

Emergency plumber northern beaches Sydney

Emergency/burst pipe

Call us immediately on 1300655895, 365 days, 24/7 for emergency response and/or for pipe repairs.

Metal roofing and guttering

Metal roofing
& guttering

Roofing, guttering & down-pipes, skylights etc- all repair, cleaning and/or replacements.

Waterproofing northern beaches Sydney


Not usually included in the plumbing trade, but we are also certified and experienced waterproofers for your convenience.

Backflow prevention plumber northern beaches Sydney

Backflow prevention

Keeping water clean and safe.

Irrigation plumber northern beaches Sydney


All types of irrigation work including the construction, installation, replacement, repair, alteration, maintenance, testing or commissioning of any part of a park, farm or nursery's irrigation system.

Hydraulic engineering plumber northern beaches Sydney

Hydraulic engineering

This is a family affair! A Collis Brothers is one of Sydney's most qualified hydraulic engineer and works hand in hand with our company. Trust the fast and quality communication to serve your project best.

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Civil Work

Our experience, equipment and accreditation allow us to work for civil and public organisations undertaking large construction and plumbing projects.


Excavator Hire

Need an excavator?
Give u s a call now.

What our clients say about us

  • “They were prompt, reliable, friendly, consultative, clean, and fairly priced. They solved the problem without overworking it and took an incremental approach to solve the problem.”
    Jack Frisch
  • “I would definitely recommend Ben and his team. He had a can-do- attitude about every aspect of the job. They turned up on time, they were organized, and they were efficient. I will be using them again.”
    —Tina Durnan
  • “Ben was very knowledgeable and provided a fantastic service at a very affordable price”
    — Anel Blignaut

Contact us

We have a vast knowledge of old and new sites, with an excellent eye for details. Our vast experience shows through our high ability to problem solve problems and provide onsite diagnostic evaluation to ensure fast results and job completion. Get in touch with us to discuss your project and plumbing requirements.

Ph. 1300 655 895

M. 0411 161 984


Collis Bros plumber northern beaches