Listed Buildings Mr. Newens asked the Secretary of State for the Environment how many listed buildings in Essex are known to have been destroyed or demolished since 31st December 1974. Mr. Shore Between 1st January 1975 and 30th June 1977, the most recent date for which figures are available, consent was given for the total demolition of seven buildings in Essex, although it is not known whether these consents have been acted upon and the buildings demolished.