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1,445,647 certificates across 55 counties and Dublin postal districts. Median energy use, share rated B3 or better, and median wall U-value.
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| County | Certificates | Median kWh/m²/yr | B3 or better | Median wall U-value |
|---|---|---|---|---|
| Co. Carlow | 17,731 | 187 | 35.5% | 0.40 |
| Co. Cavan | 20,181 | 187 | 33.2% | 0.37 |
| Co. Clare | 33,828 | 199 | 33.0% | 0.40 |
| Co. Cork | 139,916 | 166 | 46.4% | 0.37 |
| Co. Donegal | 43,582 | 199 | 28.7% | 0.45 |
| Co. Dublin | 116,276 | 146 | 52.9% | 0.37 |
| Co. Galway | 52,872 | 189 | 37.6% | 0.37 |
| Co. Kerry | 43,652 | 196 | 34.6% | 0.37 |
| Co. Kildare | 69,658 | 146 | 53.2% | 0.37 |
| Co. Kilkenny | 23,699 | 179 | 41.4% | 0.37 |
| Co. Laois | 23,133 | 169 | 44.8% | 0.37 |
| Co. Leitrim | 10,693 | 205 | 27.9% | 0.37 |
| Co. Limerick | 32,121 | 194 | 35.1% | 0.37 |
| Co. Longford | 12,352 | 193 | 35.1% | 0.37 |
| Co. Louth | 42,232 | 163 | 46.1% | 0.43 |
| Co. Mayo | 37,837 | 209 | 29.3% | 0.38 |
| Co. Meath | 59,185 | 146 | 54.0% | 0.37 |
| Co. Monaghan | 13,817 | 182 | 41.2% | 0.37 |
| Co. Offaly | 19,700 | 194 | 36.9% | 0.38 |
| Co. Roscommon | 17,289 | 204 | 29.8% | 0.37 |
| Co. Sligo | 21,164 | 196 | 34.1% | 0.39 |
| Co. Tipperary | 43,493 | 204 | 32.0% | 0.38 |
| Co. Waterford | 20,990 | 179 | 40.9% | 0.37 |
| Co. Westmeath | 26,287 | 192 | 35.5% | 0.49 |
| Co. Wexford | 48,122 | 189 | 36.8% | 0.37 |
| Co. Wicklow | 46,933 | 158 | 50.5% | 0.37 |
| Cork City | 19,684 | 213 | 23.8% | 0.54 |
| Dublin 1 | 12,031 | 192 | 35.5% | 0.55 |
| Dublin 10 | 6,635 | 188 | 35.5% | 0.36 |
| Dublin 11 | 17,863 | 171 | 42.3% | 0.37 |
| Dublin 12 | 16,912 | 215 | 31.6% | 0.60 |
| Dublin 13 | 13,543 | 147 | 53.5% | 0.37 |
| Dublin 14 | 13,705 | 182 | 41.4% | 0.57 |
| Dublin 15 | 33,684 | 153 | 48.6% | 0.52 |
| Dublin 16 | 14,033 | 166 | 44.6% | 0.55 |
| Dublin 17 | 6,637 | 166 | 41.7% | 0.35 |
| Dublin 18 | 22,219 | 89 | 71.6% | 0.32 |
| Dublin 2 | 6,715 | 189 | 38.3% | 0.58 |
| Dublin 20 | 4,157 | 165 | 48.3% | 0.54 |
| Dublin 22 | 14,903 | 167 | 44.8% | 0.47 |
| Dublin 24 | 26,440 | 169 | 42.6% | 0.43 |
| Dublin 3 | 12,432 | 217 | 30.9% | 0.70 |
| Dublin 4 | 15,279 | 196 | 33.5% | 0.61 |
| Dublin 5 | 13,113 | 215 | 27.3% | 0.62 |
| Dublin 6 | 11,733 | 234 | 27.5% | 0.73 |
| Dublin 6W | 7,220 | 202 | 36.2% | 0.60 |
| Dublin 7 | 17,224 | 235 | 23.6% | 0.71 |
| Dublin 8 | 19,997 | 210 | 32.1% | 0.62 |
| Dublin 9 | 17,511 | 190 | 39.2% | 0.59 |
| Galway City | 22,339 | 191 | 31.1% | 0.41 |
| Limerick City | 26,125 | 190 | 31.5% | 0.55 |
| Waterford City | 16,756 | 189 | 32.7% | 0.53 |