Providing High Voltage (HV) & Low Voltage (LV) electrical Installation & Maintenance since 2013

Northwick Group: Your Complete Turnkey Electrical Partner

At Northwick Group, we do more than deliver electrical services, we deliver confidence. Our turnkey package covers every stage of your project, from initial design and installation through to servicing, maintenance and emergency support. This end to end capability means you benefit from a single trusted partner who ensures quality, safety and compliance at every step.

Since our formation in September 2013, we have grown steadily to become a trusted partner for electrical installation and maintenance across the UK. Today, leading organisations in the defence, aerospace, railway and construction sectors rely on our expertise to keep their operations running smoothly.

Whether you require a long term servicing and maintenance contract or a single site visit, our fully flexible approach means we are always ready to go above and beyond to exceed expectations.

Contact us today to discuss your next project and discover how Northwick Group can support your business with innovative, dependable and compliant electrical solutions.

GET IN TOUCH

HV/LV CABLE SERVICES

Northwick can install both HV and LV cables. We can respond quickly to your requirements, carrying out repairs and breakdowns.

  • Installation and testing
  • Ground surveys of services
  • Our in house civils team will carry out the excavation including the testing and re-instatement with minimal disruption
  • Carry out repairs
  • Undertake a variety of electrical testing in accordance with client requirements and specifications
  • All this is done with one team of qualified engineers

SWITCHGEAR INSTALLATION AND UPGRADES

We have many years’ experience in the planning and design of this critical element of any electrical installation and provide a complete turn key package

  • HV substation design and build
  • Replacement of transformers and RMUs
  • LV switchboard and panel board installation
  • On-site alterations and extensions of existing equipment
  • Sub mains design and installation
  • Lighting, small power and fixed equipment installations
  • GRP Enclousre Suppy and Installation

AIRFIELD GROUND LIGHTING

Northwick’s qualified and skilled AGL technicians offer a range of services.

  • Site Surveys
  • System-design and commissioning
  • Equipment supply, installation, and Civil works
  • Routine maintenance and fault finding on AGL circuits

SUBSTATION EARTHING

Northwick’s qualified and skilled technicians offer a range of services.

  • Site surveys
  • Design
  • Installation
  • Testing
  • Maintenance and repair solutions for earthing and lightning protection

Cable Fault Location

Northwick’s qualified technicians offer a range of services.

  • Test faulty cables using the latest test sets in the industry to locate the cable fault
  • Organise and carry out all required civil works to expose faulty cable
  • Prove faulty cable before carrying out safe spiking of the identified cable
  • Complete all testing including phasing, and cutting back, prior to repairs
  • Supply and install all required joint and termination kits and suitable cables to complete the required repairs
  • Test the repaired cable and work with the customer to reinstate supplies upon completion

Substation Maintenance

Northwick’s qualified technicians offer a range of services.

  • Thermography reports of HV & LV assets
  • Oil sampling, testing and analysis
  • Low ohm resistance testing
  • Insulation resistance testing
  • Visual inspections
  • Operational checks
  • Protection relay testing
  • Panel cleaning
  • Checking of connections
  • General equipment condition checks
  • Busbar inspections
  • Substation inspections
  • Tripping battery maintenance

CONTROL PANEL INSTALLATION

We work closely with panel manufactures over the build which means we can offer a fast turnaround on specialist distribution requirements.

  • Design and build
  • Fast turnaround of orders
  • Power factor correction panels
  • Temperature controls
  • Distribution panels including synchronisation and metering
  • We also offer tripping battery charger units and changeover panels

UPS & DC power systems

We understand the importance of providing reliable UPS Systems (Uninterruptible Power Supplies). Our aim is to provide high quality power to safeguard and protect business equipment and critical infrastructure against mains failure or disturbances.

​The team at Northwick are highly skilled in the supply, installation, commissioning, and service of UPS and DC power systems, including:

  • Rectifier / Battery chargers
  • LV distribution boards
  • UPS systems
  • Battery systems both large and small
  • Parallel U.P.S and Rectifier systems

Areas We Cover – As a trusted provider of High Voltage (HV) and Low Voltage (LV) electrical services, we proudly operate across the locations listed below and their surrounding areas. Our experienced team is committed to delivering safe, reliable and professional electrical solutions wherever they are needed. 

If you do not see your area listed, please do not hesitate to get in touch as we may still be able to accommodate you or recommend a suitable option nearby.