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Drone Surveys
Historic Buildings
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As heritage buildings become increasingly complex to inspect and maintain, DBR has remained at the forefront of innovation within the conservation sector. Founded in 1990 as a specialist façade conservation contractor, the company has continually invested in new technologies that enhance the understanding and protection of historic fabric. Building on decades of masonry expertise, DBR developed an in-house drone surveying capability, combining aerial technology with the knowledge of experienced conservation professionals.
Dates
Started in 2025
Location
London, Oxford, Bristol, West Sussex
Grade listing
Grade I
A New Perspective on Historic Fabric
Using high-resolution drone equipment operated by CAA-approved pilots and conservation specialists, DBR has undertaken detailed inspections of roofs, façades, towers, gutters, flashings and inaccessible architectural features across a wide range of historic buildings. The drone surveys provide detailed photographic and video records that can be interpreted by masonry and roofing technicians to identify defects, assess risks and develop informed conservation strategies. The resulting condition reports and schedules of work allow clients to prioritise repairs while reducing the need for intrusive access arrangements.
Surveying Some of England’s Finest Buildings
At Knole House, one of England’s largest and most significant country houses, DBR’s drone and masonry technicians carried out a comprehensive survey of the historic roof coverings, lead flashings, gutters and sumps. The survey provided detailed condition information that informed future maintenance planning and helped safeguard the building’s historic fabric.
At Wakehurst Mansion, DBR undertook a full aerial condition survey of the principal building and surrounding estate structures. The data collected was analysed by specialist masonry and roofing technicians to identify defects, establish priorities for repair and develop a programme of works that would ensure the continued safety and preservation of the estate.
A similar approach was adopted at Wiston House, the Grade I listed sixteenth-century mansion set within the South Downs National Park. Here, DBR completed a detailed roof and fabric survey of the entire building, producing a condition report and schedule of works designed to support future conservation efforts while ensuring the safety of visitors and occupants.
Combining Technology with Conservation Expertise
What distinguishes DBR’s surveying approach is the combination of advanced aerial technology with practical conservation knowledge. Every survey is undertaken with an understanding of traditional materials, historic construction methods and conservation principles. This enables the team not only to capture detailed information but also to interpret it accurately, providing clients with clear, practical recommendations for the protection and long-term stewardship of historic buildings.
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