Homes built 1900–1944
131,842 certificates · median 323 kWh/m²/yr · median wall U-value 1.42 W/m²K
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What these homes look like
| Certificates | 131,842 |
| Median energy use | 323 kWh/m²/yr |
| Median CO₂ | 71.1 kg CO₂/m²/yr |
| Median floor area | 89 m² |
| Median wall U-value | 1.42 W/m²K |
| Median roof U-value | 0.63 W/m²K |
| Median floor U-value | 0.66 W/m²K |
| Median window U-value | 2.80 W/m²K |
| Median heating system efficiency | 90% |
| Certificates with solar PV | 973 (0.7%) |
| Median renewable energy ratio | 0.00 |
By county
| County | Certificates | Median kWh/m²/yr | Median wall U-value |
|---|---|---|---|
| Co. Cork | 14,844 | 325 | 1.47 |
| Co. Tipperary | 5,869 | 348 | 1.41 |
| Co. Dublin | 5,298 | 267 | 1.38 |
| Dublin 7 | 5,272 | 315 | 1.55 |
| Dublin 8 | 4,849 | 290 | 1.45 |
| Co. Mayo | 4,839 | 367 | 1.41 |
| Co. Galway | 4,402 | 371 | 1.45 |
| Co. Kerry | 4,379 | 343 | 1.40 |
| Dublin 3 | 4,250 | 288 | 1.51 |
| Co. Wexford | 4,046 | 362 | 1.50 |
| Co. Wicklow | 3,685 | 304 | 1.37 |
| Co. Louth | 3,629 | 317 | 1.31 |
| Dublin 12 | 3,515 | 259 | 1.41 |
| Dublin 6 | 3,431 | 296 | 1.54 |
| Co. Limerick | 3,425 | 349 | 1.36 |
| Co. Donegal | 3,260 | 402 | 1.52 |
| Dublin 9 | 3,224 | 284 | 1.60 |
| Limerick City | 2,964 | 285 | 1.21 |
| Co. Clare | 2,845 | 368 | 1.41 |
| Cork City | 2,772 | 323 | 1.64 |
| Dublin 4 | 2,745 | 268 | 1.44 |
| Co. Meath | 2,627 | 341 | 1.40 |
| Co. Waterford | 2,455 | 298 | 1.32 |
| Co. Westmeath | 2,404 | 355 | 1.41 |
| Co. Kildare | 2,391 | 320 | 1.37 |
| Co. Roscommon | 2,344 | 393 | 1.43 |
| Co. Sligo | 2,261 | 360 | 1.41 |
| Co. Offaly | 2,067 | 368 | 1.39 |
| Waterford City | 2,013 | 287 | 1.31 |
| Co. Kilkenny | 1,985 | 335 | 1.40 |