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Overview
National Magazine House is the London headquarters of a major UK publishing company operating within an established commercial office building. As part of the tenant’s lease obligations, the organisation was required to maintain the condition and functionality of key building elements, including windows and façade components.
Over time, the building’s existing window systems had deteriorated due to normal wear, environmental exposure, and ageing hardware. Many windows had become difficult to operate, seals had degraded, and glazing components were no longer performing as efficiently as when originally installed.
To address these issues, Structura was appointed to deliver a refurbishment programme focused on restoring the functionality, appearance, and performance of the building’s windows and associated components.
Rather than replacing the entire façade system, the project focused on targeted repairs and upgrades that would extend the lifespan of the existing windows while improving their thermal performance and usability.
This case study demonstrates how strategic refurbishment of façade components can deliver meaningful performance improvements while minimising disruption to building operations and avoiding the cost and environmental impact of full system replacement.
Details
Client:
The National Magazine Company
Location:
Soho, London
Project Metrics
The National Magazine House refurbishment project focused on improving performance and usability of the building’s windows while maintaining full building operations. By delivering targeted upgrades rather than full system replacement, the project provided practical improvements while maintaining business continuity for the building occupants. Key performance and project metrics include:
Project Type: Window refurbishment and repair
Building Use: Commercial office headquarters
Scope of Work: Window repairs, glazing upgrades, new hardware installation, gasket replacement
Performance Improvements:
- Restoration of fully operational windows
- Improved thermal efficiency through upgraded seals and glazing
- Enhanced façade appearance
- Extended lifespan of existing window systems
The Challenge
Refurbishing windows within an occupied commercial building presents several technical and logistical challenges. For National Magazine House, the project required careful planning to ensure the refurbishment work improved building performance without disrupting the daily operations of the publishing company.
Ageing Window Systems
The building’s existing windows had been in service for many years. Over time, several issues had developed, including degraded window seals and gaskets, worn or damaged hardware, reduced ease of operation, reduced thermal performance, and visual wear affecting the building’s appearance. While the windows themselves remained structurally sound, their components required refurbishment to restore full functionality. Without intervention, these issues could continue to worsen, eventually requiring full window replacement.
Maintaining Tenant Operations
National Magazine House functions as the headquarters for a busy publishing organisation with daily staff activity across multiple departments. This meant refurbishment work had to be completed while the building remained fully operational. Key considerations included maintaining safe working environments for staff, minimising disruption to office spaces, coordinating access to window areas, and ensuring refurbishment activities did not interrupt normal business operations. Refurbishment projects within occupied buildings require precise scheduling and careful coordination with building management and occupants.
Improving Thermal Performance
Older window systems often suffer from reduced thermal efficiency due to deteriorated seals and glazing components. Poorly performing windows can contribute to heat loss during colder months, reduced indoor comfort, increased heating or cooling demand, and higher energy consumption. As part of the refurbishment programme, improving the thermal efficiency of the windows was an important objective.
Preserving the Existing Façade
Another key challenge was maintaining the building’s existing appearance while carrying out refurbishment works. Full window replacement would have been disruptive and unnecessary given the overall condition of the window frames. Instead, the project focused on restoring and upgrading the existing systems while preserving the architectural character of the building façade.
Structura’s Solution
Structura developed a refurbishment strategy designed to restore window functionality, improve thermal performance, and enhance the overall appearance of the building without requiring full system replacement. The solution focused on targeted repairs and upgrades to key components of the window systems.
Window Repairs & Restoration
The first stage of the project involved assessing the condition of the building’s windows and identifying areas requiring repair. Where possible, existing components were repaired rather than replaced. This approach helped extend the life of the windows while reducing waste and avoiding unnecessary material replacement. Repairs focused on restoring the structural and operational performance of the windows, ensuring they could be safely and easily used by building occupants. This stage also addressed visible wear and deterioration that had accumulated over years of service.
Replacement of Window Hardware
Window hardware plays a critical role in both safety and usability. Over time, handles, hinges, and locking mechanisms can wear out or become unreliable. As part of the refurbishment programme, Structura installed new hardware where required to ensure that all windows could operate smoothly and safely. Upgrading these components improved both usability and long-term reliability of the window systems.
Glazing Improvements
The refurbishment also included upgrades to glazing elements where required. Existing glazing units were assessed and replaced where necessary to improve performance and ensure the windows met current functional requirements. Improved glazing helps enhance thermal efficiency, contributing to a more comfortable internal environment for building occupants.
Replacement of Gaskets & Seals
Window gaskets and seals play an essential role in maintaining the building envelope. Over time, these components can degrade due to environmental exposure, reducing their ability to prevent air infiltration and heat loss. As part of the refurbishment work, Structura replaced worn or damaged gaskets with new materials designed to provide improved sealing performance. This upgrade helps improve both weather resistance and thermal efficiency.
Careful Installation in an Occupied Building
Because the building remained fully operational during the refurbishment works, installation planning was a critical part of the project. Structura coordinated access to work areas in consultation with building management, ensuring refurbishment activities were carried out efficiently while minimising disruption to staff. This approach allowed the project to proceed smoothly within a live office environment.
Project Results
The refurbishment programme at National Magazine House delivered several important benefits for the building and its occupants. Through targeted repairs and component upgrades, Structura successfully restored the functionality and performance of the window systems while preserving the building’s existing façade.
Improved Window Functionality
One of the most immediate benefits of the refurbishment was the restoration of fully serviceable windows. Staff within the building now have windows that can be opened, closed, and secured correctly, improving usability and comfort within office spaces. Reliable window operation also supports better ventilation where required.
Enhanced Thermal Efficiency
Replacing degraded seals, gaskets, and glazing components helped improve the overall thermal performance of the window systems. Improved sealing reduces air leakage around window frames, helping maintain stable indoor temperatures and reducing unnecessary heat loss. This contributes to improved energy efficiency across the building.
Improved Building Appearance
Over time, ageing window components can negatively affect the visual appearance of a building. The refurbishment work restored the condition of the windows, improving the overall look of the façade while maintaining the building’s original architectural character. This improvement contributes to a more professional and well-maintained workplace environment.
Extended Lifespan of Window Systems
Rather than replacing the entire window system, the refurbishment programme extended the service life of the existing windows through targeted repairs and upgrades. This approach delivered several advantages, including reduced project cost compared with full replacement, reduced material waste, faster implementation, and minimal disruption to building operations. Refurbishment is often a highly effective strategy for maintaining building envelopes where the primary structure remains sound.