At SDE we provide expert electrical design services across a wide range of sectors, including commercial, industrial, hospitality, healthcare, education, leisure, places of worship, and high-end residential projects.
We deliver full electrical design services from RIBA stages 2–7, supporting everything from minor works to multi-million-pound developments.
SDE prides itself on being highly responsive. We aim to meet our clients’ needs quickly—attending site the same week of an enquiry, turning designs around efficiently, and providing practical solutions without unnecessary delays.
Our services include:
Tender support and project assistance
Providing technical input, design clarifications, and documentation to support competitive tender submissions and smooth project delivery.
AutoCAD drawings and as-fitted plans
Producing accurate electrical layouts, schematics, and final as-fitted documentation to ensure projects are clearly detailed and compliant.
Cable sizing, circuit charts, and load calculations
Carrying out detailed design calculations in line with current BS 7671 (IET Wiring Regulations) to ensure safe, efficient, and compliant installations.
Lighting and emergency lighting design and calculations
Delivering functional and energy-efficient lighting schemes with full photometric calculations, lux level assessments, and compliance with BS 5266 standards.
Surveys, condition reports, and dilapidation assessments
Undertaking on-site inspections and reporting on the condition, suitability, and compliance of electrical installations.
O&M manual production
Compiling comprehensive operation and maintenance documentation to support client handover, long-term system use, and regulatory compliance.
Building control compliance and design to local authority regulations
Ensuring designs meet statutory requirements, local authority guidance, and national standards for approvals and certification.
Why us
At SDE, we combine technical expertise with practical experience to deliver reliable, efficient, and compliant electrical solutions tailored to your project needs.