Commercial Electrical Services Delivered to Specification
From office fit-outs to retail refurbishments, Tomos Durnell Electrical delivers fully compliant commercial electrical installations designed to meet regulatory requirements and minimise operational disruption.
Reliable & Qualified
On-time & on Budget
Available 24/7
01
Office and Retail Fit-Outs
We deliver electrical design, installation and lighting systems for office and retail fit-outs, completed in line with current UK regulations and structured to support safe, efficient and timely project delivery.
02
Commercial Lighting & Emergency Systems
Installation and upgrade of energy-efficient LED lighting and fully compliant emergency lighting systems, designed to meet current UK regulations and support safe commercial environments.
03
Power & Structured Data Cabling
From new circuits to structured cabling, we handle power and data connections that keep your business connected and productive. Our team ensures every installation is tidy, organised, and future-proofed for growth.
04
Testing & Certification (EICR)
From new power circuits to structured data cabling, we deliver compliant electrical and network infrastructure installations designed to support safe, reliable and scalable business operations.
05
Maintenance & Emergency Support
Ongoing planned maintenance and responsive emergency support to maintain system reliability, regulatory compliance and operational continuity.
06
Rewiring & Electrical Upgrades
Rewiring and system upgrades for commercial premises, completed in line with current UK regulations and designed to support increased load requirements and long-term operational reliability.
Available 24/7
We know that projects and emergencies don’t always happen as planned, so we’re available around the clock when you need us.
On-time & on Budget
We complete projects as agreed, sticking to clear timelines and transparent pricing with no unexpected costs.
Reliable & Qualified
We’re NAPIT Certified electrical contractors, delivering safe, compliant, and high‑quality work you can trust.
Why Commercial Clients Work With Us
We work with commercial clients throughout the UK to deliver compliant electrical solutions with minimal operational disruption.
Work is carefully planned and scheduled to minimise operational disruption, ensuring continuity of service wherever possible.
All work is carried out by qualified, NAPIT-certified electrical contractors and completed in accordance with current UK regulations, fully tested and documented on completion.
We provide defined scope, agreed timelines and regular project updates from initial quotation through to completion, ensuring clarity at every stage.
We use proven installation methods and approved materials to deliver durable, regulation-compliant electrical systems built for long-term performance.
