Coleshill House and Estate was the main Auxiliary Units HQ and main training centre for Operational Patrols, and location where secret radio-sets were developed for use by the Special Duties side of the organisation.
Various Memorials and information boards around the buildings, grounds and Memorial trees
- Coleshill Estate memorial plaque as the General Head Quarters
- Coleshill Replica Operational Bunker Information board
- Auxiliary Units Memorial
- Observation Post replica, opened by Trevor Miners in 2015
- Memorial trees planted in the grounds of Coleshill House Estate