This can be either in domestic, commercial or industrial premises, or on a ship or locomotive tender, or at a coal mine or processing plant.
Domestic coal bunkers are associated with the use of coal in open fires or for solid-fuel central heating.
Free-standing bunkers were commonly made of wood or concrete and are currently sold in materials including plastic or galvanised metal.
[1] Coal bins or bunkers could also form an outhouse[2] or be partly or fully underground.
Coal bins form or formed part of industrial plants,[3] and were found on steam ships.