Thornton Abbey, founded in 1139 by William Le Gros, Lord of Holderness in Yorkshire, began as an Augustinian priory dedicated to St. Mary. It gained abbey status in 1148, evolving from humble timber beginnings that were replaced by stone structures in 1264 with work and expansion continuing through to the late 14th century, flourishing as one of the most esteemed houses of the Augustinian order in England.
In 1382, a striking crenelated gatehouse, one of the earliest medieval brick-built structures in the area, was erected under license, fortified by a moat with an additional brick barbican added in the early 16th century. The gatehouse was both a defensive structure and used as accommodation for visitors to the abbey.
The dissolution of the abbey in 1539 by Henry VIII marked a turning point. Though spared initially to serve as a Church of England college for the training of priests, this institution was later suppressed by Edward VI in 1547.
Subsequent years saw the possession of the abbey and gatehouse pass through several noble families, until the determinedly Puritan Vincent Skinner oversaw the partial demolition of the abbey, preserving only the gatehouse as access to a Jacobean Hall, which eventually succumbed to collapse.
In the early 19th century, efforts to preserve the priory’s remains began in earnest, aimed at safeguarding the gatehouse and barbican. Today, only foundational remnants and fragments of the chapter house and cloister endure within the priory area, now a Grade I listed site under the stewardship of Historic England.
360 was commissioned to conduct a photogrammetry survey to produce an orthophotograph map of the abbey church ruins, along with detailed elevations of the priory ruins and barbican. This survey, using total station and GPS instruments for precise control, employed a Matrice 300 unmanned aerial vehicle equipped with a Zenmuse P1 camera.
Utilising both smart-oblique automated flights and manual flights, the imagery was meticulously captured to ensure the required ground sampling distance for the client specification was met. Post-processing yielded scale elevations of the standing ruins and barbican faces, alongside a textured mesh model of the complex. These tools allow for remote assessments of the priory ruins, eliminating the need for physical intervention, mobile platforms or scaffolding.
Moreover, the survey results serve as a valuable archive of the monument’s condition at the time of assessment, facilitating ongoing monitoring of repairs and the extent of future degradation if it occurs.
For inquiries regarding heritage preservation projects or to discuss how technology can be leveraged to safeguard historical landmarks, please feel free to contact us.
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