Throughout the city, for many years we have completed installation works in many offices and refurbished many more. We have regular clients in churches, restaurants and shops so we are equipped to deal with any types of works that you may have. Our excellent engineers and office team are here to provide the most efficient and professional service possible.

  • Lighting fixture installations and repair

  • Lamping

  • Tripped circuits

  • New circuits

  • Fault finding and diagnosis

  • Emergency lighting

  • Data wiring

  • Restaurant and shop works

  • Remedial works

  • Office Refurbishments

  • Main intake works

  • Power Distribution

  • Plant rewiring

  • Industrial lighting

  • Mineral insulated cable install (PIRO)

  • NICEIC inspection and testing

  • Electrical installation condition reports

  • PAT Portable appliance testing



Finding someone to work in the home that you can trust is important. Here at Harrison How will work around you and cater to your needs. Our engineers are extremely professional and will always strive to give you the best service possible. We have clients that have used us for over 20 years. You may not need us often but when you do, we will be there.

  • Remedial works

  • Security lighting

  • NICEIC inspection and testing

  • Distribution board change

  • Fault finding

  • Outdoor works

  • Lofts and basements

  • Full rewire

  • Tripped circuits

  • Storage, water and immersion heaters

  • Electric showers

  • Faulty sockets

  • Cookers




Maintenance is part and parcel of everyday life. We work around you. Our engineers can enter your premises early, late or on the weekends depending on what you require. We regularly work in shops across Westfield stores and offices in London. Our dedicated office team will draft up the paperwork and send it out to you promptly so you can comply with the latest regulations.

  • Emergency lighting compliance (monthly)

  • NICEIC Electrical installation condition reports

  • PAT Portable appliance testing

  • Landlords testing

  • Visual inspection

  • Data cabling testing

  • General lamping

  • BS7671: IEE tests