Commercial Electrical Services North London: Wiring, Fuse Boards & Inspections

If you manage or own a business property in Hampstead, Highgate, Muswell Hill, Crouch End, Finchley, Barnet, Winchmore Hill or nearby, you know how important reliable electrical systems are. At RE Electrical Services Ltd, we specialise in commercial electrical services—from full premises wiring and fuse board upgrades to safety inspections and compliance testing. This guide answers your main questions and explains how we help businesses stay safe, efficient, and compliant.

1. What Does “Commercial Electrical Services North London” Include?

• Full Premises Wiring – Designing and installing wiring systems for offices, shops, warehouses, galleries, and other commercial buildings.
• Fuse Board / Consumer Unit Upgrades – Replacing outdated boards with modern RCD/MCB‑protected panels to handle higher loads.
• Periodic Inspections & EICR – Regular testing and certification under BS 7671 standards to identify defects and hazards. (Commercial EICR typically every 1–5 years) 
• Compliance & Safety Certification – Ensuring installations meet the Electricity at Work Regulations 1989 and British standards like BS 7671. 
• Maintenance & Repairs – Ongoing support, fault finding, component replacement, and preventive care to reduce downtime.

2. Why Businesses Need These Services

• Legal & Insurance Requirements: Commercial properties must show electrical compliance, or they risk insurance refusal or legal penalties. 
• Safety & Risk Reduction: Poor wiring or obsolete fuse boards are audible fire and shock hazards.
• Operational Continuity: Electrical faults can force business closures or damage equipment.
• Efficiency & Modern Demands: New systems, greater load, smart integrations—all need a reliable backbone.

3. What Standards & Regulations Matter?

• BS 7671 (18th Edition + Amendments): The core wiring standard that all commercial work must adhere to. 
• Electricity at Work Regulations 1989: Imposes duty on employers to keep electrical systems safe.
• Building Regulations & Local Codes: Some commercial work may need building control approval, especially in refurb or structural change.
• Periodic Testing (EICR): Commercial EICR is essential for diagnosing defects, and must be performed every 1–5 years depending on usage and risk. 

4. Typical Process for a Commercial Project

1. Site Survey & Consultation
   We visit, assess existing infrastructure, client needs, and future-proof requirements.
2. Design & Planning
   We design a wiring layout, load calculations, panel location, safety zones.
3. Installation / Upgrade
   Our team wires circuits, installs new fuse/consumer units, branching circuits, protective devices.
4. Testing, Inspection & Certification
   We run all necessary tests (insulation, continuity, earth, RCD) and issue an EIC, test report.
5. Aftercare & Maintenance
   Scheduled inspections, emergency support, and upgrades as demands grow.

5. Tips for Choosing a Commercial Electrical Contractor

• Check certifications: NICEIC, ELECSA, NAPIT membership, proof of insurance. 
• Ask for references and portfolio
• Ensure transparent quoting – itemised breakdowns
• Check their compliance with BS 7671
• Ensure they handle both wiring and tests/inspections