§ Mr. BercowTo ask the Secretary of State for Transport, Local Government and the Regions how many council houses in Buckinghamshire have smoke alarms that are(a) mains powered and (b) battery powered; and in the case of battery powered alarms how many are powered by (i) a one-year life replaceable PP3 battery and (ii) a 10-year life sealed unit lithium battery. [27776]
§ Dr. WhiteheadThis information is not held centrally and could be obtained only at disproportionate cost.