To ask the Secretary of State for Communities and Local Government what recent estimate his Department has made of the effect on the level of energy efficiency of (a) owner-occupied dwellings, (b) private rented dwellings and (c) the commercial property sector of the introduction of energy performance certificates. (309402)

No estimate has been made, as yet, of the effect on the level of energy efficiency of buildings following the introduction of energy performance certificates.

To ask the Secretary of State for Communities and Local Government what his Department's most recent estimate is of the rate of non-compliance with the requirement to produce an energy performance certificate in respect of (a) domestic properties marketed for (i) sale and (ii) rent in the private sector, (b) domestic properties marketed for rent in the social sector and (c) commercial properties offered for sale or rent. (309403)

The Department does not hold the information in the format required to answer this question. However, information about the number of energy performance certificates (EPCs) that have been produced is available from the EPC Register. Information about the number of EPCs produced in relation to domestic properties is available on the Domestic EPC Register and the same information for non-domestic properties is available on the Non-Domestic EPC Register. Both the Domestic and the Non-Domestic EPC Register can be accessed from the following website address:

http://www.epcregister.com/

To ask the Secretary of State for Communities and Local Government what his Department's most recent estimate is of the number of public buildings required to have a display energy certificate which do not have such a certificate. (309404)

Compliance with the directive is a matter for local weights and measures. There are approximately 42,000 public buildings that require a display energy certificate (DEC). The current number of lodgements can be found on the following website:

https://www.ndepcregister.com/lodgementStats.html