Grammar Group provides electrical, plumbing, and roofing support for businesses across Auckland. From urgent repairs to ongoing maintenance, our team helps reduce downtime and keep your site running safely.
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Our commercial electricians work across offices, retail spaces, warehouses, and industrial sites in Auckland.
Our commercial electrical services include:
Commercial lighting and power upgrades
Electrical repairs and maintenance
Switchboard upgrades and testing
Data cabling and networking
Security, CCTV, and compliance services
We provide safe and reliable electrical support with minimal disruption.
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Our plumbing team provides fast and reliable support for commercial buildings and managed properties.
Our commercial plumbing services include:
Emergency plumbing repairs
Planned maintenance and servicing
Hot water systems and gas fitting
Leak detection and drain solutions
Commercial fit-outs and compliance support
We help keep your plumbing systems running properly year-round.

We provide commercial roofing support for offices, warehouses, and industrial buildings across Auckland.
Our commercial roofing services include:
Commercial roof repairs and leak detection
Roof replacement and restoration
Scheduled roof maintenance
Emergency roofing services
Gutter repairs and inspections
Our team helps protect your building and reduce costly damage.
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Office Location
27 Morningside Drive, Morningside, Auckland 1025
Get reliable electrical, plumbing, and roofing support for your Auckland property or facility.
Yes. We provide electrical, plumbing, and roofing support for commercial sites and managed properties across Auckland.
Our team focuses on reliable service, clear communication, and strong quality of workmanship across every project.
Yes. We provide maintenance plans to help reduce downtime and help businesses minimise disruption during daily work.
Yes. Planned inspections and maintenance help ensure your roofing system stays in good condition longer.
Yes. Our teams provide fast callouts for urgent electrical, plumbing, and roofing problems.
Yes. Health and safety are important on every project. All work follows current industry standards and safe work practices.
Yes. We support facilities teams and property managers by working closely with them to support every commercial property.
Our commercial electrical services include lighting upgrades, testing, repairs, switchboards, and installation of power points.
We provide roof repairs, inspections, maintenance, and other roof solutions to help protect commercial buildings.
Yes. We support many types of commercial projects, including fit-outs, maintenance programmes, and lighting designs. Our team includes experienced tradespeople and registered master electrician professionals.





