Electrical Contractors in the South East. Safe Electric Certified.
Trusted By
Client logos available on request. Names shown are representative of the sectors we serve.
Track Record.
The Same Standard, Every Job.
At J Cowman Electrical, we deliver complete electrical packages for projects of every scale, from large residential and commercial developments to one-off new builds and full property rewires. With a focus on quality workmanship, reliability, and safety, we work closely with builders, developers, and homeowners to deliver electrical solutions tailored to each project. Whether it's a modern housing development, a commercial fit-out, or a domestic rewire, we bring the same standard to every job.
What We Do
From Single Rewires to Full Developments. Same Crew. Same Standard.
New Build Developments
First fix to final cert — on programme, every time. Send us your plans.
Large-Scale Residential Projects
Fixed-price quote upfront. Safe Electric certified on completion.
Domestic Electrical Installations
Safe Electric certificate issued the day we finish — valid for insurance, sale, and lettings.
EV Charger Installation
SEAI grant up to €300 handled. Installed within the week. Safe Electric certified.
Full & Partial Rewires
Fixed-price quote upfront. Safe Electric certified on completion.
Commercial Fit-Outs
Fixed-price quote upfront. Safe Electric certified on completion.
Testing & Certification
Fixed-price quote upfront. Safe Electric certified on completion.
Got a job that doesn’t fit a standard service?
WhatsApp Jamie DirectlyProven at Scale.
Residential Development
Completed 2026Modern brick-and-render residential scheme. Full first-fix, second-fix, DB boards, testing, and Safe Electric certification on every unit.
Consumer Unit Upgrade
Old fuse board failing the EICR? Insurer asking questions about the wiring? We pull the 1980s board out and put a Hager RCBO consumer unit in — every circuit individually protected, every termination tested, full Safe Electric certification handed over the same day.
Watch Us Build.
From first fix to final cert. Full electrical package delivered on programme.
Inside the Work.
Short clips from live jobs. Tap any to watch with sound.
Recent Projects.
Dublin Development
Full House Rewire
Fixed-Price Quote
48hr turnaroundOur Approach
Why Builders Choose Us.
On Time. Every Time.
Deadlines aren't suggestions. We plan our work and deliver on schedule, because your build programme depends on it.
Right First Time.
Every connection tested, every circuit certified. We don't cut corners and we don't come back to fix what should have been done right.
Straight Talking.
Clear quotes, honest timelines, no surprises. If there's a problem, you'll hear about it before it becomes yours.
Scale When You Need It.
10-person crew that scales to match your programme: one rewire or a full development. Same Safe Electric-certified standard every time.
Accreditations
Safe Electric A6700
SEAI Registered
Fully InsuredCommon Questions.
From a Single Rewire to Full Developments: Send Us the Details.
Send us your plans or a quick description. We return a fixed-price quote within 48 hours, no obligation, no sales calls.