Domestic & Commercial Electrical Specialists covering Worthing, Horsham, Crawley, Burgess Hill, Brighton, Bognor Regis, Chichester, Portsmouth

Commercial Services

Commercial and Retail Electrical Installations

Phase Electrical Services undertake all types of commercial and retail electrical works, including offices, shops, warehouse/storage depots, hotels, restaurants, holiday parks and caravan sites, nursing/care homes, churches and other public buildings.

We offer the complete electrical service: design works, planning, installations, maintenance, interior accent, display, general and task lighting, and exterior amenity, security and floodlighting, emergency lighting, power supplies and distribution, fire alarms etc.

You can trust us to take care of all your business electrical needs.

View our Range of Commercial Services:

Electrical Sockets / Power Points

  • Interior and exterior electrical installations
  • Mains distribution, switchgear, sub-mains and distribution boards
  • Complete/partial electrical alterations additions and rewiring
  • Complete installation design
  • New power circuits
  • New power points
  • Installation of additional supplies to new equipment
  • Upgrading and replacement of existing switchgear, contactors, distribution/fuse boards & boxes
  • Cable containment systems, trunking, trays and basket systems
  • Dado trunking
  • Skirting trunking
  • Raised access floor trunking and recessed service boxes
  • Installation of safety devices , isolators switches (RCBOs, Residual Current Devices, etc)
  • Air conditioning installations
  • UPS and generator back-up systems


  • Interior accent, display and general area lighting
  • External amenity, floodlighting and carpark lighting
  • Replacement of light fittings
  • New lighting points & circuits
  • Fault finding and repair of internal/external lighting
  • Low energy lighting (surface or recessed)
  • Emergency lighting
  • Office lighting and control design
  • Free-standing up-lighting
  • Environmental and low energy lighting
  • Security lighting
  • Lighting installations compliant with CIBSE requirements

Security & Alarm Systems

  • Automated gate controls
  • Access & door entry systems
  • Fire alarm systems
  • Warden and Nurse Call Systems
  • Mains operated smoke and heat detectors with backup battery
  • Carbon Monoxide Detectors
  • Closed Circuit Television Systems (CCTV)
  • Security lighting
  • Emergency lighting

Telephone, Data & Television Installations

  • Telephone wiring
  • Telephone extension points
  • Computer network data wiring & cabling (Cat 5 & 6)
  • Cable containment systems, wire baskets, tray and trunking
  • Dado trunking
  • Skirting trunking
  • Raised access floor trunking and recessed service boxes
  • TV / satellite systems, points and extensions, amplifiers, aerials


  • Planned preventative maintenance
  • General electrical fault finding
  • Maintenance works

Electrical Testing, Inspection & Certification

  • Periodic Inspection Reports (PIR)
  • Electrical safety tests & certificates
  • Minor works certificates