This pillbox is listed as a Type 24 but when measured it appears not to be it is a very strange shape. The last two pictures show the fancy grilles over a ventilation system. It still has it’s wooden shuttering in place inside the pillbox.
fw3/24):
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Type 24 pillbox on verge of Brampton Road above station. About 50m E of junction with B 1354. The pillbox faces E. In corner of John Gaunt School playing field, near railway station and railway bridge, Aylsham.