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Natural History Museum
Hall of Human Biology and Mammals
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At the Natural History Museum, a Grade I listed Victorian masterpiece, DBR delivered a complex programme of roof and fabric renewal works. The project focused on upgrading roof glazing, slate and lead coverings, alongside a comprehensive roof build-up strategy designed to improve thermal performance and create a more stable, energy-efficient, specimen-friendly environment within the museum.
Client
The Trustees of the Natural History Museum
Dates
2022
—
2025
Location
London
Grade listing
Grade I
Fabric
Slate
Stone
Reviving roof glazing, slatework and historic materials
Across the roofscape, works included the replacement and repair of slate coverings, roof glazing elements, timber substrates, and associated structural components. DBR’s specialist leadwork team carried out extensive lead replacements and precision repairs, including targeted interventions to the Mammals Corridor roof where patch repairs and renewals were carefully integrated. Flat roof coverings were also renewed to enhance durability and weather resistance, while ensuring continuity with the building’s historic character.
Innovative temporary works in a live museum environment
A key feature of the project was the introduction of an innovative rolling scaffolding system, uniquely developed for this programme of works. This lightweight, fully mobile structure formed a temporary roof while allowing phased replacement works to progress safely across the building. Its adaptable design supported efficient logistics, reduced disruption, and enabled rapid reconfiguration in response to the demands of working within a live, publicly accessible museum environment. Throughout the programme, careful coordination ensured the safety of visitors, staff, and contractors at all times.
Enhancing safety, conservation, and long-term performance
In addition to roof replacement works, the project incorporated upgrades to lighting protection, fire safety systems, and rooftop access walkways to improve long-term resilience and maintainability. The DBR conservation team also delivered extensive internal works, including latex poultice cleaning and restoration of terracotta elements, refurbishment of gallery ceilings using heritage paint systems, and the repair and refinishing of historic oak flooring and cast-iron grilles. Through close collaboration between DBR teams and museum stakeholders, the project was successfully delivered in a complex live environment, balancing conservation sensitivity with modern performance and safety requirements.
