Question to the Ministry of Housing, Communities and Local Government:

To ask the Secretary of State for Communities and Local Government, what estimate his Department has made of the number of properties with carbon monoxide detectors installed in the (a) private and (b) social rented sector.

The English Housing Survey collects and publishes data on carbon monoxide detectors by tenure. The latest data can be found in Annex Table 1.18 here: https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/595787/2015-16_Section_2_Housing_Stock_Annex_Tables.xlsx