Whilst the type was designed, built and used during the expansion programme, installation of type-C hangars continued into the Second World War.

By 1944, it was determined that in 64 RAF expansion period airfields, which were open at that time, at least one type-C hangar was present.

[1] During the expansion period, when permanent airfields were being constructed, it was deemed adequate for each squadron to have two Type-C hangars with annexes, in order to provide the necessary maintenance and storage space.

[1][5] Many hangars had offices or workshops attached to one side of the building; these were built to a width of 17 feet (5.2 m) and had differing designs.

[8] The earlier sheds had gabled roofs, with an upright block at each end, and a few of these were built around the country (RAF Mildenhall was notable in having three of the type.

[13] However, once aircraft design had stabilised, a height of 30 feet (9.1 m) was found to be adequate, and so later hangars built towards the end of the expansion period were not as high as the earlier structures.

[19] The original brickwork cladding the outside of the hangars would be in keeping with the brick built nature of the other structures on the base, and would also hopefully blend into the environment.

[23][24] Whilst the overall design followed the same format, various different drawings existed, but these related to the size of the hangars, workshop accommodation, and offices provided along the length of the structure.

[27] Historic England listed the structure as it was an early design of the Type-C, and is the only hangar on the Northolt estate which survives from the Battle of Britain era.

[29] Buildings at the former RAF bases at Kinloss, Leuchars and Turnhouse in Scotland, are registered with Canmore, the National Record of the Historic Environment.