Electrical Design
Expert Planning for Smarter Power Systems
At Elsys Electrical Ltd, we deliver precise, regulation-compliant electrical design solutions for commercial and residential developments. With over 20 years of industry experience, we support architects, interior designers, property developers, and construction firms across Hemel Hempstead, Watford, St Albans, North West London, and surrounding areas with professional design that fits the brief and meets all the technical requirements from the outset.
We don’t just wire buildings—we plan how they work.
What Is Electrical Design?
Electrical design is the technical planning of a building’s electrical systems. It determines how electricity will be distributed, controlled, and used throughout a structure—safely, efficiently, and in line with current regulations.
A well-executed electrical design includes:
Electrical design is not just wiring diagrams—it’s the strategic backbone of your entire electrical infrastructure.
Who Needs Electrical Design?
Any project involving significant electrical work needs a robust electrical design—especially if you want to stay on budget, avoid installation errors, and pass inspections smoothly.
We work with:
- Architects & Interior Designers – To ensure lighting, socket locations, and smart features are integrated into the early stages of design.
- Property Developers – To produce full electrical schematics for residential blocks, commercial buildings, or mixed-use sites.
- Main Contractors – To deliver electrical design drawings and specifications for accurate quoting and installation.
- Facilities Managers & Business Owners – Looking to upgrade or reconfigure existing systems in commercial premises.
Whether you’re starting from scratch or modifying an existing building, proper design sets the stage for everything else.
What’s Involved in Electrical Design?
At Elsys Electrical Ltd, we follow a structured process to deliver electrical designs that are accurate, safe, and tailored to your build requirements:
Our structured approach ensures a thorough and efficient design process, delivering results that exceed expectations:
- Initial Consultation & Needs Assessment: We begin by understanding your project in detail. This includes a thorough discussion of your operational requirements, power demands, aesthetic considerations, budget, and timeline.
- Site Survey & Feasibility Study (if applicable): For existing structures or complex sites, we conduct detailed surveys to assess existing infrastructure, identify potential challenges, and inform our design approach.
- Concept Design & Load Calculations: Based on the needs assessment, we develop initial concept designs, including preliminary circuit layouts, power distribution strategies, and comprehensive load calculations to determine the exact electrical capacity required.
- Detailed Design & Specification: This stage involves the creation of detailed electrical drawings, schematics, cable routes, wiring diagrams, and equipment specifications. We specify all components, from switchgear and distribution boards to lighting fixtures and emergency systems, ensuring optimal performance and compliance.
- Lighting Design & Lux Level Calculations: We develop sophisticated lighting designs that not only meet required lux levels but also enhance the aesthetics, functionality, and energy efficiency of your space. This includes considerations for natural light integration, task lighting, accent lighting, and emergency lighting.
- Cable Management & Containment Solutions: Efficient and aesthetically pleasing cable management is crucial. We design integrated containment solutions that ensure safety, accessibility, and ease of maintenance, whether it’s trunking, conduit, cable trays, or specialist concealed systems.
- Emergency Systems Design: We design comprehensive emergency lighting systems, fire alarm interfaces, and other critical safety systems in accordance with current regulations, ensuring the safety of occupants in unforeseen circumstances.
- Data & Communications Infrastructure Integration: In today’s connected world, seamless data and communication networks are vital. We design integrated solutions for structured cabling, networking, and telecommunications infrastructure, ensuring your building is fully connected.
- Compliance Documentation & Certification: Upon completion of the design, we provide all necessary documentation, including design certificates, schematics, and specifications, ensuring a smooth approval process and adherence to all regulatory bodies.
- Ongoing Support: Need design amendments as the project evolves? We stay responsive throughout the build process, offering updates, revisions, and consultation as needed.
Lighting Design
We design efficient, compliant lighting schemes for commercial and residential spaces—balancing aesthetics, functionality, and energy performance. From ambient and task lighting to emergency and exterior lighting, we map out optimal fixture locations, control systems, and load management. All plans are tailored to the building’s purpose and user experience, with a focus on long-term energy savings and visual comfort.
Power Distribution Planning
Our designs ensure safe, logical, and load-balanced power distribution across the entire building. We calculate circuit capacities, plan out distribution boards, and design layouts for socket outlets, plant rooms, and specialist equipment. Whether it’s single-phase or three-phase supply, we make sure your system delivers the right power where and when it’s needed—with clear, fully labelled schematics.
Data & Communication Infrastructure
We plan robust, future-proof data cabling layouts that support modern networking demands. This includes structured cabling for broadband, phone, VOIP, CCTV, and building management systems. Our designs allow for scalability, seamless device integration, and efficient cable management across commercial properties, offices, and smart-enabled homes.
Fire Alarm & Security System Design
We integrate fire alarm and security wiring into your building’s electrical plan from the outset. Our designs cover detection zones, sounder circuits, call points, and emergency routes, all in line with BS 5839 and other relevant codes. We also accommodate access control, CCTV, and intruder alarms—ensuring discreet, dependable operation with proper circuit isolation and backup power plans.
Smart Controls & Automation
We design smart wiring systems for lighting, heating, access, and energy management—perfect for high-end homes, offices, and retail spaces. From basic sensor-based lighting to full building automation, we map out cable runs, control panel locations, and connectivity protocols to support modern control platforms like KNX, Lutron, or Control4.
Energy Efficiency & Load Management
We engineer energy-conscious designs that reduce consumption and optimize usage. Through demand analysis, zoning strategies, and efficient system layouts, we help ensure your electrical setup stays within safe and cost-effective load limits. We can also advise on integrating solar PV, battery storage, and energy monitoring systems.
EV Charging Infrastructure
Our EV charging point designs are tailored for both residential schemes and commercial fleets. We plan connection routes, load balancing strategies, and charger placement to ensure ease of access, compliance with OLEV standards, and future scalability. Whether it's a single charger or a bank of commercial units, our designs are built to handle the demand.
accreditations
Important to point out is that our company is fully accredited. We always adhere to the best code of practice and carry out all of our electrical installations according to the latest industry standards. This why we can provide full warrantee on all of our electrical projects.
Why Choose Elsys Electrical Ltd for Your Electrical Design Needs?
Experience That Matters
With two decades in the industry, we bring unparalleled expertise to every project. We’ve successfully designed and implemented electrical solutions for a diverse range of commercial and residential developments, giving us a deep understanding of the unique challenges and opportunities within various sectors.
Tailored Solutions for Complex Projects
We recognize that every project has unique requirements. Our design process is highly collaborative and entirely bespoke. We take the time to understand your vision, operational needs, budget, and timelines to create an electrical design that seamlessly integrates with your overall project goals.
Compliance and Safety at the Forefront
Electrical safety and compliance are non-negotiable. Our designs adhere to the latest wiring regulations (BS 7671) and all relevant British Standards, ensuring your project meets and exceeds all statutory requirements. We meticulously plan for fault protection, earthing, bonding, and emergency systems, providing you with complete peace of mind.
Efficiency and Sustainability Built-In
In today’s climate, energy efficiency is paramount. Our designs prioritize sustainable solutions, incorporating energy-saving technologies and strategies wherever possible. From LED lighting schemes to intelligent power management systems, we help you reduce operational costs and minimize your environmental footprint.
Future-Proofing Your Investment
Technology evolves rapidly, and so should your electrical infrastructure. We design with scalability and flexibility in mind, ensuring your electrical system can easily adapt to future technological advancements, expansions, and changing power demands without requiring costly overhauls.
Seamless Integration with Your Project Team
We pride ourselves on our ability to work seamlessly with your existing project team – architects, structural engineers, mechanical engineers, and other contractors. Our proactive communication and detailed documentation ensure a smooth workflow and prevent costly coordination issues.
Let’s Get the Design Right From the Start
If you’re working on a project that needs detailed electrical planning, Elsys Electrical Ltd is ready to deliver. We bring clarity to complex requirements, eliminate guesswork for contractors, and give you the confidence that your systems are built on solid foundations.
Get in touch today to discuss your electrical design needs or request a quote.
There may be indeed a lot of electrical contractors near by, however there is only one that offers truly Professional Electrical Design in the area. Indeed, Elsys Electrical is preferred electrical company for both domestic & commercial projects. Our team of experienced electricians is proud to be among the most reliable electrical professionals in the area. Moreover, all of the electrical engineers are experienced, trained and fully qualified to undertake any electrical work. We offer huge variety of electrical services for Domestic, Commercial, as well as Industrial customers. This why, if you are after Electrical Design, do not hesitate to contact us, for initial consolation and estimate. We'll be more than happy to to assist with your project.
Outstanding Service - Electrical Design
Professional Electrical Design
4.8 stars – based on 42 ratings
Elsys Electrical indeed offers Professional electrical services second to none, including:
Our Recent Electrical Projects
Frequently Asked Questions about Electrical Design
As a established local company with over 20 years of experience, we offer a unique blend of high-level design expertise and practical, on-the-ground installation knowledge. Our designers understand exactly how plans translate into real-world installations. You benefit from direct communication with the experts, greater flexibility, and a personalised service focused on delivering your specific project goals, all while maintaining the highest professional standards. We are your dedicated partner in Hemel Hempstead, Watford, St Albans, and North West London.
Once the installation is complete based on our design, our qualified electricians conduct rigorous testing as required by BS 7671. This includes checks for earth fault loop impedance, insulation resistance, polarity, and RCD (Residual Current Device) operation. Upon successful testing, we provide the client with essential certification, such as an Electrical Installation Certificate (EIC) and a Building Regulations Compliance Certificate, which are crucial for insurance, warranty, and legal purposes.
Absolutely. Coordination is vital to avoid clashes where, for example, an electrical conduit is planned to run through the same space as a plumbing pipe or HVAC duct. We work closely with other trades and use detailed drawings to ensure all services are routed efficiently and safely within the building’s fabric, saving time and preventing installation problems on-site.
We future-proof designs by anticipating growth and technological change. This includes:
Spare Capacity: Installing distribution boards with spare ways for future circuits.
Enhanced Power Outlets: Providing extra circuits and data points to accommodate new workstations or equipment.
Dedicated Circuits: Planning for future needs like EV charging stations, additional air conditioning, or security systems.
Robust Data Infrastructure: Installing high-quality, scalable structured cabling to support evolving IT and communication technologies.
Single-Phase Power: Uses one alternating current (AC) waveform and is standard for smaller residential properties and very small commercial units with minimal power demands (e.g., a small shop with lighting and till points).
Three-Phase Power: Uses three simultaneous AC waveforms, delivering a more consistent and powerful supply. It is essential for most commercial and industrial properties to run heavy machinery, large HVAC systems, commercial kitchens, and high-density IT server rooms efficiently.
Our complete design package provides all the documentation needed for pricing, installation, and certification. It typically includes:
Detailed Layout Drawings: Showing the location of all outlets, lights, switches, and distribution boards.
Single-Line Diagrams: A schematic overview of the entire electrical distribution system.
Specification Schedules: Listing all required materials, fixtures, and equipment.
Load Calculations: Demonstrating that the design can safely handle the projected electrical demand.
Cable Sizing and Circuit Design: Ensuring all components are correctly rated.
An intelligent electrical design is a core component of a sustainable building. We focus on:
Efficient Lighting Design: Specifying high-efficiency LED fixtures with smart controls like motion sensors, daylight dimming, and timed zoning.
Power Distribution Efficiency: Ensuring circuits are balanced and cables are correctly sized to minimise energy loss.
Integration of Renewables: Designing systems for technologies like Solar PV panels and EV charging points from the outset.
This not only reduces your carbon footprint but also significantly lowers your electricity bills.
All our designs are fully compliant with the latest UK regulations, primarily:
BS 7671 (IET Wiring Regulations, 18th Edition): The fundamental standard for all electrical installation work.
Building Regulations: Including Part B (Fire Safety), Part L (Conservation of Fuel and Power), Part P (Electrical Safety – Dwellings), and Part R (Physical Infrastructure for High-Speed Electronic Communications Networks).
Electricity at Work Regulations 1989: Governing safety in commercial environments.
Specific British Standards: Such as BS 5266 for emergency lighting and BS 5839 for fire alarm systems.
The earlier, the better. Ideally, you should involve us during the initial planning or conceptual design phase, alongside your architect and M&E (Mechanical & Electrical) consultants. Early involvement allows us to integrate the electrical requirements seamlessly into the building’s design, identify potential issues before construction begins, and ensure that necessary space (like for distribution boards and cable routes) is allocated correctly. This proactive approach avoids expensive and time-consuming changes later.
Electrical design is the comprehensive process of planning, specifying, and documenting the electrical systems for a building. It’s much more than just deciding where plugs go; it involves calculating power demands, designing safe circuit layouts, selecting the right equipment, and ensuring full compliance with regulations. For a commercial project, it’s critical because a poor design can lead to safety hazards, power failures, failed inspections, costly rework, and inefficient energy use that increases your long-term operational costs.
