In a large wooded triangular compound on the East side of Bracknell Road (A3095) immediately North of an electricity sub-station.
DEMOLISHED All surface features have been removed and the roof of the monitoring room has been smashed and collapsed into the room and backfilled with soil. The backfill has subsided at one end revealing the back of the room with part of a bed visible leaning against the wall. The shutter at the bottom of the ventilation shaft is also visible.
Opened in 1960 and closed in 1968.
The earth above and below the monitoring room has now subsided further revealing more of the end of the monitoring room and allowing some visibility of the rest of it facing toward the access shaft.
The bunker has fallen apart and part of the entrance has been flooded with soil parts of the surface on top of the bunker had been cleared out. A baby cot was found beside the bunker and is covered in plants.
Electrical wires were found coming out of a rectangular tube found in the bunker. The bunker is quite well hidden and the roof had collapsed a bit.