Homes built before 1900
37,753 certificates · median 346 kWh/m²/yr · median wall U-value 1.60 W/m²K
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What these homes look like
| Certificates | 37,753 |
| Median energy use | 346 kWh/m²/yr |
| Median CO₂ | 75.7 kg CO₂/m²/yr |
| Median floor area | 100 m² |
| Median wall U-value | 1.60 W/m²K |
| Median roof U-value | 0.82 W/m²K |
| Median floor U-value | 0.67 W/m²K |
| Median window U-value | 3.03 W/m²K |
| Median heating system efficiency | 90% |
| Certificates with solar PV | 328 (0.9%) |
| Median renewable energy ratio | 0.00 |
By county
| County | Certificates | Median kWh/m²/yr | Median wall U-value |
|---|---|---|---|
| Co. Cork | 5,188 | 335 | 1.69 |
| Co. Tipperary | 2,027 | 368 | 1.65 |
| Co. Dublin | 1,818 | 292 | 1.64 |
| Dublin 6 | 1,574 | 302 | 1.62 |
| Co. Donegal | 1,520 | 411 | 1.64 |
| Dublin 8 | 1,503 | 312 | 1.50 |
| Co. Wicklow | 1,468 | 336 | 1.65 |
| Co. Wexford | 1,467 | 370 | 1.63 |
| Dublin 7 | 1,417 | 340 | 1.51 |
| Co. Clare | 1,218 | 395 | 1.63 |
| Co. Kilkenny | 1,154 | 354 | 1.57 |
| Cork City | 1,042 | 329 | 1.57 |
| Co. Galway | 991 | 392 | 1.61 |
| Dublin 4 | 937 | 275 | 1.58 |
| Co. Meath | 877 | 338 | 1.51 |
| Co. Louth | 852 | 351 | 1.56 |
| Co. Waterford | 749 | 337 | 1.57 |
| Dublin 3 | 740 | 299 | 1.54 |
| Co. Limerick | 733 | 372 | 1.63 |
| Co. Mayo | 677 | 387 | 1.53 |
| Co. Kildare | 676 | 345 | 1.47 |
| Co. Cavan | 672 | 426 | 1.69 |
| Co. Sligo | 659 | 375 | 1.45 |
| Limerick City | 648 | 325 | 1.46 |
| Co. Kerry | 614 | 333 | 1.51 |
| Dublin 1 | 602 | 339 | 1.55 |
| Co. Laois | 588 | 366 | 1.61 |
| Co. Westmeath | 564 | 375 | 1.47 |
| Co. Offaly | 556 | 363 | 1.64 |
| Waterford City | 553 | 325 | 1.53 |