Wiring and pipework that gets done right the first time.
Gridian is a NAPIT-registered electrical and Gas Safe plumbing contractor working across London — from full rewires and EICR certificates to boiler installs and emergency call-outs.
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Certified electrical work, from a single fault to a full rewire
Full Rewiring
Complete replacement of outdated or unsafe wiring to current regulations.
Learn more →EICR Certificates
Landlord and homeowner electrical safety inspections and reports.
Learn more →Fault Finding
Diagnostics for tripping circuits, dead sockets and intermittent faults.
Learn more →EV Charger Install
Home and workplace EV charge point supply and installation.
Learn more →Gas Safe plumbing and heating, day or night
On site around London
From first call to signed-off certificate
Tell us the job
Call, email or fill in the form. We ask enough to quote accurately, not to waste your time.
Get a quote
Upfront pricing within 24 hours, no hidden extras added after the work starts.
Work is carried out
A qualified electrician or Gas Safe plumber completes the job to current regulations.
Certification & sign-off
Where applicable, you receive the relevant certificate — EICR, Gas Safe, or building control notification.
What London homeowners and landlords say
“Two pendant lights had to be relocated, which meant rerouting the circuit behind the wall. The electrician worked through it calmly and left everything tidy.”
Ezgi B., London“Great communication from the first call. They were quick, friendly, and cleaned up properly once the job was done.”
Neil M., London“On time, certified, and priced fairly. We'll be calling Gridian again for the next job.”
S. Vacca, North London“Competitive quote and the work matched it exactly, certification included. Would use again.”
Francis, CroydonNeed an electrician or plumber this week?
Tell us what's going on and we'll come back with a quote and the earliest available slot.
Request a callback → Call 020 8058 1053