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Three-Phase Electrician London — Commercial 3-Phase Installations & Repairs

Restaurant kitchens, dry cleaners, machine shops, MOT bays, server rooms, EV chargers, induction commercial cookers — three-phase supply work needs an electrician with specific commercial experience. F & A Electrical is NICEIC-approved for three-phase domestic and commercial installations across London. Call 07407 627542 or 07500 721453.

Three-phase pricing — London 2026

JobPrice (inc VAT)
3-phase EICR / Periodic (small commercial)£280–£600
3-phase EICR (medium / multi-board)£600–£1,200
3-phase consumer unit / distribution board install£1,400–£3,500
3-phase consumer unit replacement£1,200–£2,800
3-phase commercial cooker/induction supply£400–£900
3-phase 22 kW EV charger£1,950–£3,500
3-phase machine supply (lathe/CNC/compressor)£500–£1,800 per machine
3-phase emergency callout£90 + VAT per half-hour

Includes NICEIC certification, Part P notification where domestic, Schedule of Inspections + Test Results, 6 years’ NICEIC warranty.

Where you’ll typically need 3-phase

What’s different about 3-phase work

What’s included

3-phase EICRs — commercial periodic

5-year EICR cycle (sooner if report specifies). We test: distribution board + phase sequence, main earth + bonding, insulation resistance L1-L2-L3-N-E, Zs at EB and fixed equipment, RCD trip times, cable condition + glands + terminations. Issued: NICEIC EICR with Schedule of Inspections + Test Results.

FAQ

3-phase or single? 4 thick conductors + earth = 3-phase. 2 thick + earth = single. Photo of meter confirms.

Upgrade single to 3-phase? Yes — UKPN coordinated. £400–£5,000+ DNO + our install.

3phase EV? Yes — 22 kW chargers.

Commission kitchen equipment? Yes — regular fit-out partners.

Emergency 3-phase callout? 1-2 hours most of London.

Book a 3-phase electrician

Call 07407 627542 or 07500 721453. Send address, equipment type, photo of distribution board. Fixed quote within the hour.

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