Noise Insulation (Great Barr And Perry Beeches) Mr. Rooker asked the Secretary of State for Transport when he expects to write to the hon. Member for Birmingham, Perry Barr, on the subject of noise insulation at Great Barr and Perry Beeches, as promised in his reply, Official Report, 24 October, colums 202–3. Mr. Kenneth Clarke I wrote to the hon. Member on 5 December.