Building Energy Ratings in Dublin 6W
7,220 certificates · median 202 kWh/m²/yr · rank 26 of 52 counties on the share rated B3 or better
Half of the dwellings rated in Dublin 6W use more than 202 kWh/m²/yr.
The national median is 178 kWh/m²/yr. 36.2% of the certificates on the 2009 scale are B3 or better; 26.9% are E, F or G.
Pro accessThe datasetA specific request
Ratings
2009 scale, A1 to E2 — 6,077 certificates
| Rating | Certificates | Share |
|---|---|---|
| A1 | 65 | 1.1% |
| A2 | 499 | 8.2% |
| A3 | 540 | 8.9% |
| B1 | 153 | 2.5% |
| B2 | 370 | 6.1% |
| B3 | 573 | 9.4% |
| C1 | 547 | 9.0% |
| C2 | 598 | 9.8% |
| C3 | 595 | 9.8% |
| D1 | 687 | 11.3% |
| D2 | 666 | 11.0% |
| E1 | 413 | 6.8% |
| E2 | 371 | 6.1% |
2026 scale, A0 to E — 324 certificates
| Rating | Certificates | Share |
|---|---|---|
| A0 | 9 | 2.8% |
| A | 26 | 8.0% |
| B | 127 | 39.2% |
| C | 93 | 28.7% |
| D | 37 | 11.4% |
| E | 32 | 9.9% |
F and G — the same on both scales
| Rating | Certificates | Share of all certificates |
|---|---|---|
| F | 410 | 5.7% |
| G | 409 | 5.7% |
⚠️ The two scales are shown apart on purpose: adding a « B » from the 2026 scale to « B1+B2+B3 » from the 2009 scale would produce a number that exists nowhere. F and G belong to both, so they are counted in neither distribution and shown on their own. How the two scales compare.
What the certificates measure
| Certificates | 7,220 |
| Median energy use | 202 kWh/m²/yr |
| Median CO₂ | 40.1 kg CO₂/m²/yr |
| Median floor area | 111 m² |
| Median wall U-value | 0.60 W/m²K |
| Median roof U-value | 0.34 W/m²K |
| Median floor U-value | 0.49 W/m²K |
| Median window U-value | 2.69 W/m²K |
| Median heating system efficiency | 90% |
| Certificates with solar PV | 85 (1.2%) |
| Median renewable energy ratio | 0.00 |
| National median energy use | 178 kWh/m²/yr |
By period of construction
| Built | Certificates | Median kWh/m²/yr | Median wall U-value |
|---|---|---|---|
| before 1900 | 172 | 308 | 1.64 |
| 1900–1944 | 1,555 | 272 | 1.53 |
| 1945–1969 | 1,583 | 234 | 1.43 |
| 1970–1979 | 1,287 | 219 | 1.29 |
| 1980–1990 | 601 | 219 | 0.60 |
| 1991–1999 | 472 | 209 | 0.55 |
| 2000–2004 | 459 | 150 | 0.55 |
| 2005–2009 | 191 | 142 | 0.37 |
| 2010–2018 | 448 | 52 | 0.20 |
| 2019 or later | 452 | 48 | 0.18 |
Periods with fewer than 11 certificates are not shown separately.
By dwelling type
| Type | Certificates | Median kWh/m²/yr | Median floor area (m²) |
|---|---|---|---|
| Semi-detached house | 3,076 | — | — |
| Mid-terrace house | 1,112 | — | — |
| Mid-floor apartment | 645 | — | — |
| Detached house | 597 | — | — |
| Ground-floor apartment | 581 | — | — |
| Top-floor apartment | 555 | — | — |
| End of terrace house | 504 | — | — |
| Maisonette | 86 | — | — |
| House | 54 | — | — |
Main space heating fuel
| Fuel | Certificates | Share | Median kWh/m²/yr |
|---|---|---|---|
| Mains Gas | 4,922 | 68.2% | — |
| Electricity | 1,076 | 14.9% | — |
| Heating Oil | 757 | 10.5% | — |
| Manufactured Smokeless Fuel | 28 | 0.4% | — |
One certificate is one assessment of one dwelling, not one dwelling: a home rated twice appears twice. How this is counted.