English Heritage has announced a wartime dome in Norfolk, used to train anti-aircraft gunners, is one of its priority sites for rescue and repair.
A number of buildings in the region have also been added to the "at risk" register - including three in Suffolk and five in Norfolk.
Natalie Gray reports.
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A psychiatric intensive care hospital in Norfolk which provided child and adolescent mental health services has been closed down
A chilly but bright start to the weekend. It will be dry with plenty of sunshine.
A cold but dry night with a frost forming after midnight.