Capital Quarter, Cardiff

offices, executive suites, collaborative hubs, and stylish communal areas, the building provides a state-of-the-art working environment that supports wellbeing, productivity, and environmental responsibility.

Evans Electrical worked in close collaboration with the main contractor, consultants, and specialist trades to deliver an advanced electrical infrastructure. From renewable energy integration to IT and AV systems, every aspect of the project was carefully coordinated to provide a flexible and future-ready solution for the building’s diverse tenants.

Evans Activities Comprised

• LV Distribution & Infrastructure: Full design and installation of main LV switchgear, rising busbar systems, sub-main cabling, and distribution boards to support the building’s multiple tenancies
• Small Power Installations: Underfloor busbar systems, grommets, and desk power points designed for flexible tenant fit-outs and adaptable workspace layouts
• Lighting Systems: High-efficiency LED lighting with intelligent controls for energy savings, decorative feature lighting for reception and breakout areas, and emergency lighting to BS 5266 standards
• Fire Detection & Alarm Systems: Fully addressable fire alarm system with smoke and heat detectors, sounders, and integration with the Public Address & Voice Alarm (PAVA) system
• Security Systems: CCTV cameras with network monitoring, intruder detection, advanced access control, and intercom systems to provide a secure environment
• Structured Cabling & Data Networks: High-performance CAT6A structured cabling, fibre backbone, and server room installations with patching facilities and resilient power supplies
• Mechanical Plant Power Supplies: Dedicated supplies for HVAC systems, chillers, lifts, and other plant to ensure reliable building services operation
• Renewable Energy Systems: Roof-mounted photovoltaic (PV) array to generate clean energy and reduce the building’s carbon footprint
• EV Charging Infrastructure: Provision of electric vehicle charging points in the basement car park to support sustainable transport for tenants and visitors
• External & Public Realm Lighting: LED façade lighting and car park illumination controlled via photocells and PIR sensors for safety and efficiency
• Metering & BMS Integration: Advanced sub-metering linked to the Building Management System (BMS) for monitoring, energy efficiency tracking, and compliance with BREEAM requirements
• Testing & Commissioning: Full inspection, testing, and certification of all electrical systems, along with comprehensive O&M documentation and as-fitted drawings
• Sustainability Measures: Systems designed to reduce operational costs, minimise energy usage, and ensure long-term environmental performance

Project Highlights

• Sustainability Focus: Integrated renewable energy through PV panels and EV charging infrastructure, supporting BREEAM Excellent standards
• Smart Building Technology: Intelligent lighting and BMS integration for optimised energy efficiency and operational control
• Flexible Infrastructure: Power, data, and lighting designed to adapt easily for multiple tenants and future technology upgrades
• Secure & Reliable Systems: Comprehensive fire, security, and IT networks installed to safeguard building users and assets
• Complex City-Centre Delivery: Successfully coordinated within a busy Cardiff location, meeting strict deadlines and safety standards

Key Outcomes

The Capital Quarter office development now stands as a benchmark for Grade A office accommodation in Cardiff, combining sustainability, flexibility, and cutting-edge building technology. Evans Electrical delivered a robust, future-ready electrical infrastructure that enables tenants to thrive in a safe, efficient, and environmentally responsible environment.