20+ years of expert electrical work. From replacing a dimmer switch to a full house rewire. Professional, punctual, and fairly priced. EV charge point specialists.
About Us
Brennan Electrical is a St Albans based, small family business headed by Westley Brennan, a fully qualified Level 3 City & Guilds electrician with over 20 years of experience. We hold the City & Guilds 7671 (18th Edition), City & Guilds 2382 and City & Guilds 2391 qualifications, carrying out full testing and certification for all electrical work.
We specialise in small domestic work and pride ourselves on being friendly, professional and fairly priced, with good time keeping and an excellent finish every time. As a NICEIC registered contractor, all our work conforms to the latest regulations and is covered by the Platinum Promise guarantee.
What We Do
From replacing a dimmer switch to re-wiring a house, we cover all domestic, commercial and industrial electrical work across St Albans and Hertfordshire.
Full fuseboard upgrades to modern, safe consumer units. Tested and certified to 18th Edition wiring regulations.
Give any room a new lease of life. We replace and upgrade all types of light fittings, from downlights to statement pendants.
Chrome, white, brushed steel. Upgrading sockets and switches is an easy win for any room. We do it cleanly and quickly.
Full kitchen rewires, new circuit installation and appliance connections. Compliant with all Part P regulations.
Electrical Installation Condition Reports (EICR) for landlords, homeowners and property buyers. Full certification provided.
With 20+ years of domestic, industrial and commercial experience, we diagnose and fix electrical faults efficiently.
Outdoor sockets, garden lighting circuits and festoon installations. Weatherproof, safe and fully certified.
Complete rewires for older properties. We work cleanly, minimise disruption and provide full testing and certification on completion.
EV Charge Points
As a UK government registered and OZEV-approved installer of EV chargers, we handle everything from surveying to installation, certification and liaising with your electricity distributor for supply upgrades.
7.4 Kw Smart Wall Charger. Auto solar charging, tariff sense energy management, Wi-Fi / LAN / 4G / RFID.
32amp charge point with integrated RCD Type A+DC 6mA. Compatible with all Tesla Model S, 3, X and Y.
Stylish 7.4 Kw charge point. Automated load management, homeothermic charging, PEN fault protection.
We are registered with the Office for Zero Emission Vehicles (OZEV) and can assist with eligible grant applications, supply upgrade coordination with your electricity distributor, and all required Building Control notification.
Why Choose Us
Fully accredited and assessed annually. Covered by the Platinum Promise guarantee.
We show up when we say we will. Good time keeping is a cornerstone of how we operate.
Honest, transparent quotes. No surprises. Free quotations with no obligation.
Personal service from a local family business. You deal directly with Westley, not a call centre.
We take pride in our work. Clean, tidy installation with an excellent finish every time.
Full testing, certification and notification to Building Control on all notifiable work. Every time.
Reviews
"Happy to recommend Brennan Electrical. Super helpful and a pleasure to deal with. Pointed us in the right direction."
"Really thorough, professional and friendly. Came to do the 5 yearly landlord electrical certificate and couldn't fault the service."
"Professional, friendly and very knowledgeable. Would highly recommend Brennan."
"I always receive excellent professional service from Brennan Electrical. Will certainly use again and would recommend to anyone."
"Westley is always brilliant. Charges a fair price, honest and reliable! 5*"
"Really great guy, came super quick to sort a cable that we had drilled into and blown our power socket. Great price, would recommend."
Accreditations






Call Westley for a free, no-obligation quotation. No job too small.
Call 07776 375161 Email UsGet In Touch