NICEIC Approved electrical contractor serving
the Grantham, Newark, sleaford area.


Call us now on 07970 035482

Fast reliable service

Domestic, Commercial, or Agricultural.


To get a free no obligation quote, please email us your details or call us and we will get back to you the same day. We are available 24 hours a day 7 days a week to discuss your requirements.More »


We offer a full range of electrical services to homes within London and the Home Counties.

We work with offices, restaurants, hotels, schools, industrial properties, retail and more.More »


If you would like to speak to a member of our team about your project, please call 07970 035482 or email us at »

Commercial 3 phase or single phase work

Domestic, Commercial, or Farms

Full design and installs, changes or additions, testing and inspection and fault finding.

Data cabling networks

Seamless secure wifi networks

Fast, reliable wifi and networks, all data links are tested and the network speed guaranteed.

Call us for your network/wifi requirements in Grantham Lincolnshire.

CCTV 4K quality, smart phone viewable simple to use

Internal or external IP network cameras

4K IP cameras work via network cables or wifi

CCTV Grantham

Heating control experts

Honeywell evohome approved installer

With over 200 installs in the grantham area our systems can save you up to 40% on your heating.

Zoned electric heating installs

We also install leak detection systems with smartphone control and alerts.

Mclean Electrical Systems Ltd

Mclean Electrical Systems ltd provide electrical services to the Grantham area of Lincolnshire. With over 25 years of experience in commercial and domestic electrical work in the Grantham area. All our installations are simple to use and maintain – a simple user experience.

Our services range from testing and inspecting existing installations for insurance, Full new installations or alteration. We area happy to quote for any of your electrical needs in the Grantham, Lincolnshire area.

We also install data networks that are tested and verified to guarantee network speeds – up to 10 gigabit network speeds. Our wifi networks are suitable for home and office of any size, seamless wifi everywhere – one network & one password throughout the property. IP CCTV with 4K resolution, simple to view and control from any smartphone or tablet.

We specialise in making heating controls simple to use. Our heating controls allow you to set the time and temperature for every room, saving energy by up to 40%. Installs in the grantham area range from manor houses, schools, hotels.