购房者的 EPC 评级指南
EPC 以七个等级评估能源效率，由最佳的 A 至最差的 G。证书有效期为 10 年，除非其后已有新证书。
应下载完整证书，不要只看房源广告中的字母。证书列出估算能源使用及改善建议。
评级描述能源表现，并不反映锅炉、屋顶、窗户或保温材料的实际状况。
A 至 G 级
越接近 A，模型所示能源效率越高。证书也会列出字母背后的分数，以及完成所列改善后的潜在评级。
- Band count
- 7
- Best
- A
- Worst
- G
GOV.UK Energy Performance Certificates. live guidance verified 2026-08-03. 提取日期 2026-08-03.
How this was counted
Postcode district. domestic energy-efficiency scale.
证书日期
证书可维持有效 10 年，因此要查看检查日期，以及其后工程是否改变了房产。
- Valid years
- 10
GOV.UK Energy Performance Certificates. live guidance verified 2026-08-03. 提取日期 2026-08-03.
How this was counted
Postcode district. certificate validity from issue unless a newer certificate is produced.
理解改善建议
把建议工程与实际报价、所需许可及租约限制一起比较。EPC 成本只是指引，并非承包商报价。
United Kingdom, with nation-specific rules
- Band count
- 7
- Best
- A
- Worst
- G
GOV.UK Energy Performance Certificates. live guidance verified 2026-08-03. 提取日期 2026-08-03.
How this was counted
Postcode district. domestic energy-efficiency scale.
United Kingdom, with nation-specific rules
- Valid years
- 10
GOV.UK Energy Performance Certificates. live guidance verified 2026-08-03. 提取日期 2026-08-03.
How this was counted
Postcode district. certificate validity from issue unless a newer certificate is produced.
Sources and method
- GOV.UK Energy Performance Certificates. live guidance verified 2026-08-03. 提取日期 2026-08-03.
如需指定地址的桌面核查，Property Diligence 付费报告会加入公开来源可提供的房产层级详细资料。