More information for you.. link. Transcript of question raised in parliament:
Practice Firing, Norfolk
HC Deb 11 December 1945 vol 417 c197
Mr. Gooch asked the Secretary of State for War if he will order the discontinuance of the practice firing from ground artillery and anti-aircraft artillery range at Stiffkey over Wells, Norfolk, town, marshes and foreshore so that the townspeople, especially fishermen, worm diggers, cockelers and others can have free access to the marshes, foreshore and sea at all times.
Mr. Lawson Firing by ground artillery will finish at the end of this month, after which only anti-aircraft practice will take place from this range.