Question

To ask the Secretary of State for Energy and Climate Change, what recent estimate he has made of the number of (a) domestic and (b) commercial properties that use LED lighting.

We have not estimated the number of buildings domestic or commercial that use LED lighting. We estimate that sales of LED lighting in 2013 had increased to 2.5% of the total sales of lighting. From a recent report that DECC published in the summer of 2014 consumers using these more efficient light bulbs, compared to incandescent, can save over £300 by 2030:

https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/328083/Energy_efficient_products_-helping_us_to_cut_energy_use_-_publication_version_final.pdf.