He was decapitated when his head hit a sentry box. The battlements, the sentry box and the cornice are specially beautiful. Major Hughes-Onslow rushed to the sentry box and raised the alarm. The boundary wall, and the sentry box, are both Grade II Listed. Other structures include a stable, a chapel, a garage, a sentry box and fountains. In the church was a high sentry box reserved for fire-watchers. Ballot-box, cartridge box, jury box, sentry box all go together in his part of life. A City Guard sentry box near the house was set upon and smashed to pieces. The sentry box, along with the gate pier became Grade II Listed in September 1978. A small sentry box or guard house stands by the eastern battery, overlooking the coast.