住宅數據
哪些地區住宅的 EPC 能源等級偏低？
Wales 的 EPC E–G 住宅佔比最高，為 19.76%；North East 最低，為 12.21%。
| 地區 | 已知等級 | E–G 住宅 | 已知中的佔比 | 住宅紀錄總數 |
|---|---|---|---|---|
| North East | 524,935 | 64,102 | 12.21% | 718,245 |
| North West | 1,478,837 | 218,404 | 14.77% | 2,019,548 |
| Yorkshire and The Humber | 1,088,031 | 174,190 | 16.01% | 1,485,445 |
| East Midlands | 1,006,365 | 153,423 | 15.25% | 1,353,031 |
| West Midlands | 1,091,683 | 174,979 | 16.03% | 1,482,253 |
| East of England | 1,318,403 | 198,988 | 15.09% | 1,788,603 |
| London | 1,485,247 | 196,468 | 13.23% | 2,103,143 |
| South East | 1,931,423 | 261,141 | 13.52% | 2,651,456 |
| South West | 1,203,565 | 202,814 | 16.85% | 1,690,015 |
| Wales | 546,887 | 108,091 | 19.76% | 806,533 |
部分住宅未有能源證書，舊證書亦可能已過期。考慮個別住宅預算前，先查最新證書。
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