Royal Observer Corps underground monitoring post

The Royal Observer Corps underground monitoring post was built in 1960 and is constructed from reinforced concrete. It has a rectangular plan and is situated in a field approximately 235 meters west of Wykin Lane.

The exterior of the post is covered by a shallow grassy mound that is also rectangular in shape. Access is provided through a concrete shaft with a louvered vent, and about 4 meters to the east, there is a smaller ventilation shaft, which also features a louvered vent.

Inside, the post follows a standard design with an underground chamber measuring 19 feet by 8 feet 6 inches by 7 feet 6 inches (5.8 meters by 2.6 meters by 2.3 meters). There is a 15-foot (4.5 meters) deep, 2-foot (0.6 meters) square entrance shaft that leads down via a metal ladder to the monitoring room, which is lined with original polystyrene tiles. A smaller room contains a chemical Elsan latrine that remains in place. The floors are concrete beneath the carpet.

Many original fixtures, fittings, and furnishings are still intact. On the north wall, there is a two-door cupboard, with a radio set and bomb power indicator mounted above it. A table holds two loudspeaker telephones that are not fixed. The original metal-framed two-tier bunk beds are located against the east wall, also not fixed, and above them is a small blast door to cover the air vents in case of an emergency. A replica desk is positioned against the south wall.

The post is enclosed by a fence measuring approximately 19 meters by 10 meters, with original concrete posts. Additionally, there is an above-ground, brick-built monitoring post located immediately to the south-west, which is a 2015 replica of the original from 1937 and does not have special interest.