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The Three Pickett-Hamilton forts at Swanton Morley airfield are a Second World War anti-invasion defence comprising three concrete and steel retractable gun emplacements constructed between 1940 and 1941. These experimental fortifications were designed to sink below ground level when not in use, thereby reducing their vulnerability to air attack whilst protecting the airfield from potential German invasion. The forts represent an innovative approach to airfield defence during the critical period of the Battle of Britain and its aftermath, embodying the rapid militarisation of civilian infrastructure across eastern England. Today they survive as important examples of early wartime engineering and tactical thinking, demonstrating the resourcefulness of British military planners during one of the nation's most vulnerable periods.
Three Pickett-Hamilton forts at Swanton Morley airfield is a scheduled monument protected by Historic England under reference 1020780. View the official record →
The Three Pickett-Hamilton forts at Swanton Morley airfield are a Second World War anti-invasion defence comprising three concrete and steel retractable gun emplacements constructed between 1940 and 1941. It is designated a Scheduled Ancient Monument by Historic England (NHLE) under reference 1020780.
Three Pickett-Hamilton forts at Swanton Morley airfield is a Scheduled Ancient Monument, legally protected by Historic England (NHLE) — the body responsible for designating and safeguarding heritage sites in England. The official designation reference is 1020780.
Several scheduled monuments lie within 10 km, including A Roman roadside settlement 150m south-west of Billingford Hall (1.2 km), Moated site 280m south east of Spong Bridge (2 km), Episcopal chapel and fortified manor house on site of Anglo-Saxon cathedral (3.1 km).
This page is just one thread. A full Aubrey report pulls together 15 strands of Three Pickett-Hamilton forts at Swanton Morley airfield's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Three Pickett-Hamilton forts at Swanton Morley airfield stands on White Chalk Subgroup, bedrock that formed in the Maastrichtian. The rock here is chalk.