Commercial Electrical Testing in London
Powering UK Businesses Since 2008
If you operate a business in London, a commercial annual inspection is essential for safety, insurance compliance, and legal protection. We provide fully certified commercial electrical inspections, clear reporting, and fast turnaround times for businesses across Greater London.
Whether you manage an office, warehouse, retail unit, school, or industrial site, our qualified electricians ensure your entire electrical system is safe, compliant, and energy-efficient.
How Often Should a Commercial Property Be Electrically Tested?
Electrical safety is critical for any commercial property — from offices and retail stores to warehouses, schools, and hospitality venues. In the UK, commercial electrical installations must be regularly tested and inspected to comply with safety regulations, insurance requirements, and Health & Safety law.
EICR (Electrical Installation Condition Report): Most commercial properties should have a full inspection at least every 5 years, or sooner for high-risk environments such as industrial units, schools, or properties with heavy electrical loads.
PAT Testing (Portable Appliance Testing): Recommended annually for most commercial equipment, although some high-use or high-risk appliances may require more frequent checks.
Emergency Lighting & Fire Safety Systems: Emergency lighting should be tested monthly (function test) and annually (full-duration test), while fire alarm systems require annual inspections and maintenance. Regular testing helps prevent costly breakdowns, ensures staff and customer safety, and keeps your business legally compliant.
A Commercial Electrical Certificate, formally known as an Electrical Installation Condition Report (EICR), is a mandatory legal document that verifies the safety and compliance of a property’s fixed electrical installations. Completed by a qualified and certified electrician, the report evaluates wiring, distribution boards, and all fixed electrical equipment, identifying any faults or areas requiring attention.
Having a valid EICR is essential for compliance with the Electricity at Work Regulations 1989 and the Health and Safety at Work Act 1974, and is typically required every five years for commercial properties.
What the EICR Covers:
A thorough inspection of the property’s main electrical systems, including distribution boards, sockets, wiring, and other fixed installations.
Identification of Issues: Any faults are classified according to urgency:
- C1: Immediate danger — action required immediately
- C2: Potential danger — remedial action needed soon
- C3: Improvement recommended — non-urgent recommendations
Full-Service Commercial Electrical Testing
If you operate a business, retail unit, warehouse, school, or property in London — having a compliant, safe electrical installation isn’t optional. At DB Site Services we provide comprehensive commercial electrical testing in London, covering Fixed Wire Testing / EICR (Electrical Installation Condition Report), PAT testing (Portable Appliance Testing), Emergency Lighting Testing, Fire Alarm Testing, and full compliance services to meet UK safety regulations and insurance requirements.
Our expert team act swiftly through comprehensive electrical maintenance services or bespoke control panel design & build, ensuring minimal disruption and full compliance with UK safety standards. Leveraging NICEIC-accredited practices, we help you avoid expensive downtime, extend the life of your systems, and maintain uninterrupted business continuity.
Alongside fault detection, many businesses also rely on modern equipment such as inverter drives to improve efficiency and control energy usage. Inverter drives regulate the speed of motors and reduce unnecessary power consumption, making them a valuable asset for commercial and industrial sites. Understanding how these systems work can help you spot potential issues before they lead to costly breakdowns. To learn more, take a look at our blog on What is an Inverter Drive?.
Fixed Wire Testing / EICR (Commercial Electrical Inspections)
We carry out full Electrical Installation Condition Reports (EICR) — essential for offices, shops, warehouses, industrial units, rental premises, and commercial properties. Post-inspection you’ll receive a detailed report highlighting any potential issues, and classification codes for urgency. We can also facilitate any remedial works if required.
PAT Testing (Portable Appliance Testing)
Keep your workplace safe, compliant, and fully insured with professional Commercial PAT Testing in London. We test all portable electrical appliances, from office equipment and IT hardware to catering appliances and industrial tools, ensuring everything used by your staff and customers is certified safe.
Ideal for:
- Offices
- Retail Units
- Restaurants & Pubs
- Commercial Kitchens
- Factories & Warehouses
- Schools & Colleges
- Healthcare & Gyms
- Co-working Spaces
Our engineers provide detailed asset lists, clear pass/fail results, and practical recommendations to keep your business compliant with UK workplace regulations.
Emergency Lighting Testing & Fire Safety Compliance
Your business must meet strict safety and insurance standards. We carry out full Emergency Lighting Tests, Fire Alarm Testing, and workplace safety audits to ensure your premises are prepared for emergencies and compliant with all regulatory obligations.
Monthly, annual and full-duration emergency lighting tests
Fire alarm inspection, maintenance, and certification
Reports suitable for landlords, insurance providers, and regulatory bodies
Perfect for high-footfall environments, hospitality, offices, industrial units, educational facilities, and any commercial building open to staff or the public.
Our team of fully qualified electricians ensures your premises remain safe, fully compliant, and operational, reducing downtime and protecting staff, customers, and assets.
Our commercial electrical services include:
Fixed Wiring Inspections & Circuit Testing – Thorough testing of your entire electrical system to identify faults, worn components, or safety risks before they become costly problems.
Load Testing & Energy Safety Checks – Ensure your circuits handle operational demands safely, prevent overloads, and optimise energy efficiency.
Wiring Fault Diagnosis – Fast detection of hidden faults or intermittent issues, keeping your business running smoothly without unexpected shutdowns.
Remedial Works Following EICR Failures – We not only identify issues during inspections but also provide expert repairs and upgrades to bring your installation up to code.
Ongoing Compliance Maintenance Packages – Tailored schedules for routine testing, inspections, and safety audits to keep your business fully compliant with UK regulations, insurance requirements, and industry standards.
