From 1915 the engineering company Barningham Limited used a building near Kingsbury House to manufacture equipment in support of the war effort.
[1] In 1916 it purchased the 109-acre Kingsury House estate and with planning permission for two hangars it created Kingsbury Aerodrome and formed a new company Kingsbury Aviation.
[1] Kingsbury Aviation had a contract to build 150 Airco DH.6 training biplanes for the Royal Flying Corps (RFC)[2] and by mid-1918 it employed 800 people on the site.
[1] The company designed and built a motor scooter and a light car but they were not a success and they went into liquidation in 1921.
[1] After a few years of being empty the aerodrome and hangars were purchased by Vanden Plas to build motor car bodies.