Large brick-shuttered hexagonal pillbox of a variant form (designed for the site). Some brick-shuttering falling away. Low entrance (faces S) with embrasure over. There is a porch (partly destroyed). Embrasures on all sides. [RAF Watnall was Fighter Command's 12 Group HQ]. Watnall airfield, near Common Lane at a railway cutting. (1)
See L10585 for first pillbox, L11258 for filter block, M18591 for Headquarters.

Data Held (Document). SNT2647.

(2), Parish File

Council for British Archaeology, 1995-2002, Defence of Britain Project Database (Digital archive). SNT6173.

Historic England, 2021, National Record of Historic Environment (Digital archive). SNT5271.

<1> Sibley D and M, 1996, Pers Comm (Personal comment). SNT1806.

<2> Sibley D and M, Defence of Britain Recording Form (Index). SNT2603.