From blueprint to building sign-off, our specialist new build team ensures your project's plumbing and gas systems are engineered for performance, compliance, and longevity—the first time, every time.
Expert installation of all in-wall and under-slab plumbing systems, including water supply lines, waste pipes, and gas lines—positioned precisely according to plans with future access points considered.
Specialised systems for multi-unit developments with standardised installation processes that maintain quality while accelerating completion timelines across multiple units.
Bespoke plumbing solutions for luxury homes, incorporating premium fixtures, specialised water systems, and hidden infrastructure that preserves architectural aesthetics.
Purpose-designed plumbing for new commercial spaces, including specialised systems for retail, hospitality, and office environments with higher capacity requirements.
Complete gas piping networks for cooking, heating, and hot water applications, with proper sizing calculations to ensure adequate supply throughout the building.
Tailored hot water solutions scaled to occupancy needs, including central systems, individual units, or energy-efficient alternatives optimised during the build phase.
Comprehensive drainage solutions designed for site-specific conditions, including stormwater management and engineered fall calculations for optimal flow.
Expert installation of all visible fixtures and fittings with attention to detail that ensures perfect alignment, proper sealing, and flawless operation.
Thorough pressure testing of all systems before wall closure and comprehensive final testing to verify complete system integrity before handover.
We specialise in plumbing for group housing and bespoke high-end builds.
Get in touch early in your planning process and we’ll make sure everything flows smoothly from start to finish.
Common questions about new build Plumbing
Ideally during the design phase. Early involvement allows us to provide input on system design, identify potential issues, and ensure plumbing considerations are incorporated into the building plans before construction begins.
We assign a dedicated project coordinator to each new build who communicates directly with the site manager and other trade supervisors. Our team works from detailed schedules to ensure our installations don't impede other trades and that our work areas are prepared appropriately.
We prepare comprehensive documentation including as-built drawings, pressure test certificates, materials compliance information, and photographic records of pre-wall installations. This documentation supports both plumbing inspections and your overall code compliance process.
Yes, we understand that plans evolve during construction. Our team can adapt to design changes with proper documentation and assessment of impacts on existing work. We provide clear information about any implications for timeline or budget.
All our new build plumbing work comes with a comprehensive 2-year workmanship warranty, exceeding the industry standard. This covers the complete plumbing system installation, while fixtures and materials carry manufacturer warranties typically ranging from 1-15 years depending on the product.
Talk to one of our one of our new build plumbing specialists
Mainstream Plumbing and Gas provides comprehensive plumbing solutions throughout the greater Auckland region. No matter where your property is located, our team delivers the same reliable, quality service across all areas we serve.
Years experience Delivering reliable plumbing and gas solutions across Auckland since 1997
Projects completed New builds, high-end residential, and commercial projects delivered with precision
Skilled professionals. Our dedicated team ensures exceptional quality on every job, every time
Client satisfaction Customers who recommend us to friends, family, and colleagues