... British energy consultant, June 27, 2009. 20 Improving the Energy Performance of Buildings code, it had no requirement for thermal insulation in the outer walls of buildings. 1 In the UK, energy ... noted earlier, the Landlord’s Energy Statement methodology is an option for DEC presentation of data on energy use in multitenant buildings. vi Improving the Energy Performance of Buildings CHAPTER ... in all advertisements of prop-erty for sale or lease. Finally, the recast proposes to improve the level of ambition in energy e- 18 Improving the Energy Performance of Buildings eciency gains...