A third-generation family business providing practical plumbing, drainlaying and gas fitting solutions for residential, commercial and civil projects throughout Southland.

From everyday repairs and maintenance through to new builds and renovations, our team provides reliable plumbing services across Southland. We also install and maintain water mains and hot water cylinders for residential and commercial projects.
New Builds
Alterations and renovations
Hot water cylinders
Repairs and maintenance
Water mains

Pat O'Sullivan Ltd provides complete drainlaying services across Southland, from stormwater and foul sewer systems through to street connections, water tanks, wastewater systems and civil drainage projects.
Foul sewer and storm water drainage
Foul sewer street connections
Supply and install wastewater systems
All aspects of drainage
Storm water street connections
Civil drainage works
Supply and install water tanks

Our gas fitting services cover gas hot water systems, califonts, gas fireplaces and ongoing repairs and maintenance for customers throughout Southland.
Califonts and gas hot water
Repairs and maintenance
Gas fireplaces
From household maintenance to larger construction and civil drainage projects, our team has the capability to work across a broad range of jobs throughout Southland.
Talk to Brad about your plumbing, drainlaying or gas fitting requirements
Serving Invercargill and the wider Southland region.

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