Domestic Energy Performance Certificates Lodged on Register - By Environmental Impact Rating

All Dwellings: Number of Domestic Energy Performance Certificates lodged on the Register, in each Local Authority, by Environmental Impact Rating. between 2008 and Q4 2015.

The Q4 2015 figures will change in subsequent quarterly publications as the EPB Registers are updated with new EPCs and DECs.

The data are presented as ‘Experimental’ official statistics because they are still subject to evaluation and testing. As ‘work-in-progress', they may not meet rigorous quality standards. They have been released because they have been judged to be of immediate value to interested parties and in order to encourage user feedback.

The release covers certificates lodged between 2008 – 2015 Q4, and breaks the data down for each specified calendar quarter (Q1=Jan-Mar, Q2=Apr-Jun, Q3=Jul-Sep, Q4=Oct-Dec) within each specified calendar year. between 2008 and Q4 2015.

The Q4 2015 figures will change in subsequent quarterly publications as the EPB Registers are updated with new EPCs and DECs.

Energy assessor accreditation schemes originally had the choice of lodging the underlying data used to produce domestic EPCs, in addition to the actual PDF document itself. After September 2008, lodging the data became a mandatory requirement. Due to the technical difficulty involved in formatting PDFs into searchable data, the statistics do not include data lodged as a PDF document only.

These statistics cover certificates on the energy efficiency of domestic and non-domestic buildings in England and Wales that have been constructed, sold, or let since 2008, and of larger public authority buildings since 2008. These statistics, therefore, do not cover the entire building stock across England and Wales but should be viewed as part of a wider package of Government’s provision of information on the energy efficiency of buildings.

This data is also available in Table LA2, available for download as an [MS Excel Spreadsheet](https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/495422/Table_LA2.xlsx).

More details about regulatory context and data quality can be found [here](https://www.gov.uk/energy-performance-of-buildings-certificates-notes-and-definitions).

所有住宅：按地方当局划分，登记在册的住宅能耗性能证书数量，按环境影响评级统计，时间范围为2008年至2015年第四季度。2015年第四季度的数据将在后续季度出版物中有所变动，因为能源绩效注册簿将根据新的能耗性能证书（EPC）和能源消耗声明（DEC）进行更新。由于这些数据仍处于评估和测试阶段，故被呈现为‘实验性’官方统计数据。作为‘正在进行中’的工作，它们可能无法满足严格的质量标准。尽管如此，鉴于其对利益相关方的即时价值以及对用户反馈的鼓励，这些数据已被发布。发布范围包括2008年至2015年第四季度提交的证书，并按每个指定日历季度（Q1=1月-3月，Q2=4月-6月，Q3=7月-9月，Q4=10月-12月）以及每个指定日历年度进行了细分。2015年第四季度的数据将在后续季度出版物中有所变动，因为能源绩效注册簿将根据新的能耗性能证书（EPC）和能源消耗声明（DEC）进行更新。能源评估师认证方案最初允许选择提交用于生成住宅能耗性能证书的基础数据，以及实际的PDF文件本身。自2008年9月起，提交数据成为强制要求。由于将PDF文件格式化为可搜索数据的技术难度，统计数字不包括仅以PDF文件形式提交的数据。这些统计数据涵盖了自2008年以来在英国和威尔士建造、出售或出租的住宅和非住宅建筑的能耗效率证书，以及自2008年以来的大型公共机构建筑的能耗效率证书。因此，这些统计数据并不涵盖英国和威尔士的全部建筑库存，而应被视为政府提供关于建筑能耗信息更广泛方案的一部分。此外，这些数据也以表格LA2的形式提供，可供下载为[MS Excel电子表格](https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/495422/Table_LA2.xlsx)。关于监管背景和数据质量的更多详细信息，请参阅[此处](https://www.gov.uk/energy-performance-of-buildings-certificates-notes-and-definitions)。