New Build Developments
Full Electrical Package. On Programme. Safe Electric Cert on Every Unit.
Full electrical packages for residential developments of any size. From first fix through to Safe Electric certification, we deliver on programme and to spec — so your build stays on track.
First fix to handover — the full electrical package, run to your build programme.
The Package
What’s Included
Complete first-fix and second-fix electrical installations
Distribution board (DB) installation and configuration
Full circuit design and load calculations
Safe Electric testing and certification on every unit
Coordination with main contractor programme
Phased handover to match build schedule
Single point of contact for all electrical coordination
First Fix to Final Cert — Built into Your Programme.
First fix runs to your stud-up schedule, not the other way around. We coordinate cable routing with plumbing and HVAC at design stage so trades don't trip over each other on site. Second fix lands the week before snagging. Test, certify, and hand over the Safe Electric compliance pack on the day before completion.
Why Us
Why Residential Developers Choose J Cowman
10-Person Crew — Scale Without Delays
We resource to match your programme. A 10-person crew that mobilises across phases without losing pace — so electrical never holds up your build.
First Fix to Final Cert — One Point of Contact
No layers of subcontractors, no finger-pointing. One crew handles every stage — first fix, second fix, testing, and Safe Electric certification. One number to call throughout.
IS 10101 Compliant — Every Unit, Every Time
Every unit receives its Safe Electric certificate on handover. Fully compliant with IS 10101. Your buyers move in with everything certified from day one.
FAQ
New Build Electrical — Common Questions
When should I bring an electrician onto a new build project?
Ideally at design stage — earlier engagement means cleaner cable routing, fewer changes mid-build. At minimum before plasterboard.
Do you work directly with main contractors or only homeowners?
Both. We've delivered as the electrical sub on 90-unit developments and as the lead electrician on one-off self-builds.
What does first fix vs second fix mean?
First fix is cable, back boxes and fixed wiring before plaster. Second fix is sockets, switches, lights and CU after plaster/decoration. We schedule both around your trades.
Do you supply the consumer unit and protection?
Yes — Hager boards as standard, full RCBO protection. Spec can be upgraded if you want surge protection, AFDD, or three-phase.
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.