Electrical
Services
NICEIC registered electricians for rewires, consumer units, extensions, EV chargers, and electrical testing across London and Hertfordshire.
Electrical Services
Consumer Unit Replacement
Full consumer unit (fuse board) replacement to 18th Edition standards. EICR and completion certificate provided.
Full Rewires
Complete house rewires for older properties and major renovations. Minimal disruption, all work to Part P regulations.
Extension & Renovation Wiring
All electrical first and second fix for extensions, loft conversions, and refurbishments. Coordinated with other trades.
Lighting Design & Installation
Recessed downlights, feature lighting, external lighting, and smart lighting systems. Design and installation service.
EV Charging Points
OZEV-approved EV charger installation for homes and commercial properties. Smart chargers with app control.
Electrical Testing (EICR)
Electrical Installation Condition Reports for landlords, homeowners, and commercial properties. Certificates issued same day.
"TCM rewired our Victorian terrace in Waltham Forest from top to bottom. The work was incredibly tidy — they made good all the walls and you would never know the rewire had taken place. Certificates provided the same day."
Electrical FAQs
Get an Electrical Quote
Contact TCM Building for a free survey and detailed quotation for all electrical work.
You know something's not quite right with your electrics, or perhaps you're planning an upgrade and need professional help. It's a common concern, especially with older properties or when adding new technology. Electrical work isn't just about making things light up; it's about safety, efficiency, and peace of mind. Electrical services cover everything from updating old wiring to installing modern consumer units and electric vehicle chargers. It also includes essential safety checks like EICR testing for landlords and businesses. We're talking about making sure your home or commercial space has a robust, safe, and compliant electrical system that meets all current regulations, including Part P.
You've noticed your lights flicker, or maybe your circuit breaker trips more often than it should. Perhaps you're considering an electric car and wondering about charging at home. These are all signs that you might need to look into your electrical system. It's about more than just convenience; it's about ensuring your home or business is safe and efficient for everyone.
What You Need to Know
NICEIC Registered & Part P Compliant
You want to know your electrical work is done right and safely. As NICEIC registered contractors, we meet the highest industry standards. All our work is fully compliant with Part P of the Building Regulations, giving you complete confidence in our installations and repairs.
Comprehensive Rewiring & Consumer Unit Upgrades
Is your home's wiring old, or do you have an outdated fuse box? We handle full and partial rewires, ensuring your property's electrical system is modern and safe. Upgrading to a new consumer unit improves safety and can better manage your power demands.
EV Charger Installation & Commercial Electrics
Thinking about an electric vehicle? We expertly install EV charging points at your home or business. For commercial clients, we offer a full range of electrical services, from new installations to maintenance, keeping your operations running smoothly.
EICR Testing for Safety & Compliance
Need an Electrical Installation Condition Report (EICR)? Whether you're a landlord, homeowner, or business owner, we conduct thorough EICR tests. This essential check identifies any potential hazards and ensures your electrical systems are safe and compliant with legal requirements.
Everything Else You Should Know
Understanding Electrical Project Costs
What's the typical cost for electrical work? It really depends on the scope. A full rewire will naturally cost more than installing a new light fitting. We provide clear, upfront quotes after assessing your specific needs, so you'll know exactly what to expect without any surprises.
Navigating Regulations and Planning
Are there specific rules for electrical installations? Absolutely. All electrical work must comply with strict UK safety standards and Building Regulations, particularly Part P. We handle all the necessary certifications and ensure your installation meets every legal requirement, so you don't have to worry.
Why Professional Installation Beats DIY
Can you do electrical work yourself? While some minor tasks might seem simple, anything beyond changing a lightbulb carries significant risks. Professional electricians have the training, tools, and certifications to ensure safety and compliance, preventing dangerous faults and costly mistakes down the line.
Common Electrical Mistakes to Avoid
What are the biggest mistakes people make with electrics? Overloading sockets, ignoring flickering lights, and attempting complex wiring without qualifications are common pitfalls. These can lead to fires, shocks, and serious damage. Always call a qualified electrician for anything beyond basic tasks.
Where We Deliver Electrical Work
TCM Building & Maintenance is based in Borehamwood and serves Hertfordshire, North London, and the surrounding area. Each location page covers planning authority details, property types, and local considerations specific to that area.
Our home base. Fast response times across the whole town.
Serving Radlett's conservation areas and Green Belt properties.
Covering Bushey, Bushey Heath, and the surrounding Hertsmere area.
Serving Potters Bar, Brookmans Park, Northaw, and Cuffley.
Full coverage across Watford and the Three Rivers district.
Experienced in St Albans conservation areas and listed buildings.
Covering Hatfield, Welham Green, Birchwood, and Old Hatfield.
Specialists in the WGC Conservation Area's Arts and Crafts properties.
Serving all parts of the London Borough of Barnet.
Covering Edgware, Canons Park, Burnt Oak, and Queensbury.
Serving Stanmore, Harrow Weald, Belmont, and the surrounding area.
Not sure if we cover your area? Call 07305 121634 — we serve a wide area across Hertfordshire and North London.