NJR Electrical And Fire

Welcome to NJR Electrical and Fire

Setting the Standard for Mechanical & Electrical Services in Chelmsford and the surrounding areas!

NJR Electrical & Fire Ltd is a fully integrated Mechanical, Electrical and Fire Alarm contractor supporting residential, commercial and industrial clients across Chelmsford and the surrounding areas. We deliver compliant, reliable, and well-managed M&E solutions — from planned electrical maintenance and mechanical services through to fire alarm design, installation, and ongoing servicing.

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Who Are We?

Your Trusted Mechanical and Electrical Contractors in in Chelmsford and the surrounding areas!

NJR Electrical & Fire Ltd delivers reliable mechanical and electrical services trusted by property owners across Chelmsford and the surrounding areas. As established electrical contractors in Essex, we provide clear, fully compliant electrical solutions designed to suit both residential and commercial properties. Known for our attention to detail and high standards, we make it easy to get expert support for all your mechanical and electrical needs.

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Honest Words from Clients Who Trust Our Services

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Our Services

NJR Electrical & Fire Ltd provides trusted electrical and mechanical services across Chelmsford and the wider Essex area. We work with homeowners, businesses, and industrial clients to deliver safe, reliable systems that are built to last. From new electrical installations to upgrades, inspections, and ongoing maintenance, our experienced team makes sure everything works properly and meets the latest safety standards.

We are known for being efficient, careful, and easy to work with. Our qualified engineers handle every stage of the job, from design and installation to testing and long-term maintenance. Whether it’s a commercial unit, an industrial site, or a home upgrade such as modern electric heating, we provide practical solutions you can depend on.
If you’re looking for electrical contractors in Essex who put safety, quality, and reliability first, you’re in the right place.

What Do We do?

We provide reliable power and engineering services for homes and buildings in Chelmsford and the surrounding areas.

Planned Electrical Services

Electrical services: Expertly tailored solutions for homes, businesses, and industries, ensuring reliable and efficient power provision.

Mechanical Services

Complete mechanical solutions for heating, ventilation, and other building services.

Workshop shelf with a welding machine, yellow and red storage bins, and tools below. Above, wooden pallets hold a crate and boxes. The setting is industrial.
Reactive Electrical Services

Quick, safe, and highly efficient solutions from a trusted provider of electrical repair services.

A person holding a long-handled, red pole with a protective clear dome and pronged end, possibly for electrical testing. The background is a plain, white wall.
Fire Alarm Servicing

As Fire Safety Experts we provide top-notch fire alarm services for homes and businesses. With years of experience under our belts, we’re dedicated to ensuring you have reliable and compliant fire alarms that keep your properties safe.

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Fire Alarm Installation

We specialize in fire alarm installation, delivering reliable and compliant solutions for both homes and offices. Our certified team of fire alarm installers is experienced in designing, installing, and maintaining fire alarm systems that meet current safety regulations and your specific requirements.

Emergency Lighting

We provide expert emergency lighting installations that clients trust for safety and compliance. Our systems ensure reliable illumination during power outages in homes, offices, and commercial spaces.

High Standard M&E Solutions You Can Rely On

We ensure reliable services and engineering for every project, covering electrical repairs to full-fledged M&E solutions.

Why NJR Electrical & Fire is the Go-to Team in Chelmsford and the Surrounding Areas

Choosing the right team for mechanical and electrical works makes all the difference. At NJR Electrical & Fire, we are an experienced M&E and electrical installation contractor supporting homes, landlords, and businesses across Chelmsford, Great Baddow, Springfield, Writtle, Galleywood, Danbury, Ingatestone, Boreham, and South Woodham Ferrers, as well as the wider Essex area. Known for our safety-first approach, clear communication, and tailored solutions, we are one of the most trusted electrical installations contractors in Essex. From new-build developments and commercial refurbishments to reactive upgrades and compliance works, we carry out electrical installations, electrical maintenance, and electrical inspection and testing with precision and professionalism. Whether you need routine electrical install inspections, large-scale commercial electrical installation work, or urgent electrical upgrades, our qualified electrical installers in Chelmsford and Essex deliver dependable, compliant results every time.

Hands-On Industry Experience

We come with years of practical experience in both mechanical and electrical works, and into any project- irrespective of it being big or small, we bring unparalleled insight and precision.

End-to-End Electrical Solutions

Electrical solutions, from design to installation, are end-to-end, and they meet the highest standards of safety, functionality, and compliance that our clients like.

Certified and Trusted Professionals

We don't just know our way around things; it's certified. Our team is made up of qualified mechanical and electrical contractors who are trusted by our local community.

Personalized Solutions

Be it electric heating solutions for homes or advanced systems for commercial establishments, our services are tailored specifically to the requirements of each customer.

How Does It work?

Consultation Through to Completion, We Are With You All the Way

This means that every mechanical and electrical aspect will be provided with professionalism from day one. Whether full system design or emergency repairs, NJR Electrical & Fire has a sequential step-by-step approach that makes efficient, safe, high-quality service delivery throughout Essex.

Initial Consultation

We will understand your requirements from a free, no-obligation consultation so that we may tailor our mechanical and electrical services to your most valued needs.

Step 1
Site Survey & Assessment

Team visits the site to assess existing systems, problems, and possible electrical and mechanical solutions.

Step 2
Expert Installation

Fully qualified, our Mechanical Electrical Contractors working across Essex will install with compliance every job, keeping safety and efficiency as an abiding concern.

Step 3
Ongoing Support and Maintenance

Be it electric heating systems or mechanical servicing, we offer continued maintenance and support to keep your systems in pristine condition.

Step 4
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Electrical Installation

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Fire Alarm Servicing

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Common Questions

Frequently Asked Questions

Everyone surely has questions regarding our mechanical and electrical services in Essex. You’re not the only one, as here are some of the frequently asked questions that come with their answers, just to help you make the right decision. 

Yes, we are specialists coming up with specific and complete electrical solutions, from design and installation through to testing and certifications.

Absolutely! Be introduced to the energy-efficient electric heating solutions Essex homeowners rely on for their homes' warmth, safety, and low maintenance costs to save further.

We set ourselves apart as mechanical and electrical contractors. Essex customers prefer us because of our certified team and responsiveness in service, which enables us to take on both mechanical and electrical systems under one roof.

Choosing a BAFE registered fire alarm company means you're working with professionals who meet rigorous, third-party certified standards for fire safety. It’s not just about installing a system—it’s about ensuring it’s legally compliant, properly designed, installed, and maintained to protect lives and property.

 

To ensure your fire alarm system meets legal and safety standards, it must be designed, installed, commissioned, and maintained according to the latest UK fire safety regulations and British Standards (such as BS 5839).

 

Because your safety and peace of mind matter. A NICEIC Approved Contractor is rigorously assessed to deliver top-tier electrical work that’s safe, fully compliant, and

 

Hiring a NICEIC Approved Contractor means you’re choosing professionals who do the job right the first time. Their expertise and adherence to strict industry standards reduce the risk of costly mistakes, rework, and safety issues down the line. Plus, their work ensures your property stays compliant with regulations, helping you avoid expensive fines or insurance complications.