Electrical Services

J&S Castlehow has been operating for over 60 years and provide various services to numerous clients including residential, businesses, government departments, local government, commercial and industrial.

We have a complete range of equipment and vehicles to carry out all of our own installations.


We offer various services to our residential customers, from design to installation of lighting, power and other services. We can also assist with renovations, additions and modifications to existing structures.


  • Electrical designs for offices, retail shops, schools and industry
  • Projects
  • Renovations
  • Service agreements
  • Major contracts & tenders
  • Commercial installations
  • Test and Tag


  • Shut downs
  • Industrial installations
  • High Voltage
  • Test and Tag

We are Western Power approved and accredited for the following:

(Western Power Supplier number C21740, certificate number 089)

  • Cable laying
  • HV ring main unit installations
  • Transformer installations
  • HV & LV cable jointing
  • Substation entry level two
  • VA permit receival and operation
  • Trenching
  • Pole to pillar installation including live hook-up
  • Recipient in charge EAP
  • Cable location accreditation