Commercial Office Fit Out - 20 Ropemaker Street
Client: Main Contractor
Size: 372,093 sq. ft
Appointment: Contractor- Side Commissioning (CxC)
Project Overview
20 Ropemaker Street is a large-scale Category B fit-out spanning Ground, Mezzanine and Levels 1–17, delivering 372,093 sq ft of high-quality, flexible workspace in the City of London.
The project integrates open-plan offices, private office suites, focus rooms, reception areas, kitchens and breakout spaces, alongside critical mechanical and electrical infrastructure, including MER and SER rooms. The design supports modern working practices while ensuring operational resilience and long-term building performance.
Our Approach
Sygna was appointed to bring structure, clarity and technical assurance to a complex, multi-level fit-out on behalf of the main contractor. Our signature commissioning approach was methodical, proactive and performance-led, underpinned by strong technical knowledge and clear ownership of delivery.
A dedicated plan of works was developed and executed to manage the scale of the project effectively. Commissioning activities were split into sectional completions, enabling focused testing, clearer sequencing and improved control of system sign-off.
Progress was tracked in real time using Power BI, giving the client and project team clear, up-to-date visibility of commissioning status and key milestones. This approach enabled early identification of risks and supported informed decision-making throughout delivery.
Commissioning Responsibilities and Scope
Our commissioning management scope covered all levels of the building and included:
Oversight and coordination of all commissioning activities across the project
Ensuring compliance with design intent, specifications and industry standards
Planning and managing commissioning activities in line with construction progress
Conducting inspections and witnessing to verify system functionality and quality
Managing commissioning documentation, including AIR logs and witnessing reports
Leading weekly progress meetings to review milestones, risks and outstanding actions
Facilitating effective communication between the client, contractors and project stakeholders
Our Added Value
Beyond core commissioning management, Sygna delivered added value through a transparent, data-led and collaborative approach:
Real-time commissioning tracking and reporting via Power BI, maximising transparency
Sectional completion strategies, enabling focused testing and efficient close-out
Live AIR documentation, used to map, track and close issues effectively
Comprehensive witnessing reports, clearly identifying corrective actions
Regular stakeholder updates, ensuring alignment and early issue awareness
Optimised system integration, supporting a smooth and confident handover
Client feedback also highlighted the value of a commissioning manager who could step up under pressure, manage high workloads, and maintain control across a demanding programme.
“Very methodical and particular. Strong technical knowledge and a clear understanding of what needed to happen. [The Sygna Commissioning Team] developed their own plan of works and executed it well. [They have been] requested again for the next project.”
Outcome
Through a disciplined, technically robust commissioning process, Sygna supported the delivery of a high-performing, future-ready workplace at 20 Ropemaker Street. By simplifying complexity and maintaining transparency, we provide certainty - ensuring systems perform as intended and handover is achieved with confidence.
