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SJ Building Group Limited provides professional electrical services, fire alarm installations, and high‑quality CCTV solutions. We carry out full electrical installations, repairs, upgrades, and safety checks for residential and commercial . Our team specialises in fire alarm systems, offering installation, testing, and maintenance to ensure full protection and compliance. We also install modern CCTV systems, including HD cameras, secure storage, and remote access options. Clients value our reliability, clear communication, and high‑standard workmanship. Professional, efficient, and safety‑focused — that’s what we deliver on every project.
Greenhills Rd, NN2 8EE, Northampton, United Kingdom
Thank you so much really quick, prompt and professional team helped us with electrical installation of the hot tub, I will definitely recommend to all of my friends and anyone that needs professional team experienced in electrical installation, repair and many more .
Thank you
I would like to share my experience working with this company, who carried out a complete installation of the heating and electrical systems in my home from scratch.
They installed a brand-new boiler and set up the entire heating system throughout the house, ensuring everything was efficient, reliable, and working perfectly. From pipework to radiators and overall system setup, everything was done to a very high standard.
In addition, they completed a full electrical installation from the ground up. All wiring, sockets, lighting, and fixtures were professionally fitted, with great attention to safety, detail, and finish.
What really stood out was how well they managed everything end-to-end. They coordinated all aspects of the work seamlessly, making sure every element came together properly. The quality of workmanship is excellent, and it’s clear they take pride in what they do.
Throughout the process, they were professional, punctual, and easy to communicate with. They explained things clearly, kept me informed, and made sure I was happy at every stage.
I would highly recommend them to anyone looking for reliable, skilled professionals for heating and electrical installations. The results speak for themselves.
Thank you for transforming my home so beautifully.
S and J had just completed a refurb to our bathroom and utility room, very quick and efficient and fantastic job
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