Irish Residential Retrofit Progress Report
A comprehensive tracker of SEAI grant funding, home energy upgrade measures, and regional adoption trends across Ireland. Source: Sustainable Energy Authority of Ireland. Data to 31/07/2026.
Annual Residential Retrofit Measures (2015 to Present)
National grant-supported energy efficiency measures delivered across all SEAI residential upgrade programmes, stacked by quarter:
Technology Breakdown Reports
Rooftop Solar PV
124,726
grants
View Report →Heat Pumps
21,446
grants
View Report →Home Insulation
150,688
grants
View Report →Windows & Doors
18,214
grants
View Report →Annual Measures Matrix (2015 – Present)
Annual grant-supported installations across all major energy efficiency measures funded since 2015:
| Measure / Technology | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | All-Time Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar PV | 0 | 0 | 0 | 71 | 1,821 | 2,916 | 4,077 | 10,095 | 22,706 | 29,288 | 34,615 | 19,137 | 124,726 |
| Batteries | 0 | 0 | 0 | 71 | 1,821 | 2,916 | 4,077 | 10,017 | 0 | 0 | 0 | 0 | 18,902 |
| Heat Pump | 0 | 0 | 18 | 211 | 1,131 | 1,455 | 1,970 | 2,245 | 3,714 | 3,550 | 4,167 | 2,278 | 20,739 |
| Roof Insulation | 4,751 | 5,279 | 4,575 | 3,255 | 3,432 | 2,701 | 2,482 | 6,326 | 11,241 | 10,386 | 10,117 | 5,827 | 70,372 |
| Cavity | 3,995 | 4,573 | 3,905 | 2,553 | 3,033 | 2,168 | 1,990 | 4,995 | 8,641 | 7,140 | 6,426 | 3,327 | 52,746 |
| External Wall Insulation | 1,255 | 1,274 | 1,204 | 1,180 | 1,379 | 1,147 | 1,122 | 1,449 | 2,037 | 2,059 | 2,268 | 1,137 | 17,511 |
| Internal Wall Insulation | 601 | 733 | 643 | 435 | 455 | 359 | 328 | 421 | 739 | 926 | 1,132 | 653 | 7,425 |
| Floor Insulation | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 40 | 384 | 488 | 1,037 | 685 | 2,634 |
| Windows | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 545 | 1,623 | 1,872 | 2,567 | 1,458 | 8,065 |
| External Doors | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 534 | 1,544 | 1,790 | 2,586 | 2,578 | 9,032 |
| Heating Controls | 5,494 | 7,192 | 7,322 | 9,048 | 12,173 | 7,215 | 2,788 | 1,613 | 1,118 | 886 | 719 | 333 | 55,901 |
| Ventilation | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 76 | 425 | 597 | 1,169 | 739 | 3,006 |
Quarterly Pace & Expenditure (2022 – Present)
Quarterly residential retrofit delivery, homeowner application demand, and state funding disbursements:
1. Applications Received vs Completed Upgrades
2. Homes Achieving B2 or Better BER Standard
3. SEAI Grant Expenditure (€ Millions)
Quarterly Performance Data Table
| Quarter | Applications | Completed Upgrades | B2+ Achieved | B2+ Share | Grant Expenditure |
|---|---|---|---|---|---|
| 2022 Q1 | 8,898 | 3,661 | 965 | 26.4% | €20.50M |
| 2022 Q2 | 13,563 | 5,039 | 1,408 | 27.9% | €39.26M |
| 2022 Q3 | 13,213 | 7,362 | 2,104 | 28.6% | €42.22M |
| 2022 Q4 | 14,431 | 11,138 | 3,840 | 34.5% | €65.32M |
| 2023 Q1 | 15,612 | 9,946 | 3,249 | 32.7% | €49.10M |
| 2023 Q2 | 15,932 | 11,803 | 4,175 | 35.4% | €70.58M |
| 2023 Q3 | 15,289 | 12,334 | 4,480 | 36.3% | €84.09M |
| 2023 Q4 | 20,549 | 13,869 | 5,411 | 39% | €85.00M |
| 2024 Q1 | 15,469 | 11,701 | 5,081 | 43.4% | €64.97M |
| 2024 Q2 | 16,153 | 14,106 | 4,927 | 34.9% | €102.64M |
| 2024 Q3 | 16,729 | 12,264 | 4,812 | 39.2% | €90.44M |
| 2024 Q4 | 21,637 | 16,048 | 6,690 | 41.7% | €119.19M |
| 2025 Q1 | 14,836 | 11,991 | 5,046 | 42.1% | €72.49M |
| 2025 Q2 | 15,531 | 14,468 | 5,990 | 41.4% | €103.72M |
| 2025 Q3 | 17,079 | 15,434 | 6,870 | 44.5% | €118.35M |
| 2025 Q4 | 17,548 | 16,716 | 7,870 | 47.1% | €109.36M |
County Retrofit Grant Leaderboard
| County | Total Measures | Solar PV | Heat Pumps | Roof & Cavity | External Wrap | Grant Funding |
|---|---|---|---|---|---|---|
| Dublin | 136,600 | 25,402 | 4,169 | 17,075 | 8,434 | €627,179,735 |
| Cork | 75,409 | 15,300 | 2,688 | 18,323 | 1,851 | €185,232,612 |
| Galway | 39,611 | 7,808 | 1,309 | 13,088 | 460 | €81,748,271 |
| Meath | 29,098 | 6,942 | 451 | 3,349 | 444 | €84,518,652 |
| Limerick | 25,436 | 5,547 | 1,058 | 5,924 | 658 | €54,652,899 |
| Kildare | 24,970 | 6,964 | 633 | 3,547 | 614 | €82,369,602 |
| Wexford | 22,425 | 4,857 | 677 | 7,721 | 157 | €61,308,420 |
| Kerry | 21,225 | 4,091 | 1,122 | 6,072 | 829 | €55,877,653 |
| Tipperary | 20,434 | 4,707 | 1,159 | 5,475 | 409 | €59,495,395 |
| Mayo | 19,843 | 3,541 | 907 | 6,494 | 600 | €66,205,411 |
| Louth | 17,581 | 3,791 | 425 | 2,257 | 83 | €32,907,463 |
| Donegal | 16,606 | 3,234 | 1,323 | 3,920 | 194 | €65,684,353 |
| Waterford | 16,290 | 3,557 | 558 | 3,901 | 450 | €46,682,067 |
| Wicklow | 15,431 | 4,684 | 410 | 2,460 | 756 | €71,551,544 |
| Clare | 12,733 | 4,130 | 448 | 2,644 | 329 | €30,402,645 |
| Laois | 10,605 | 2,257 | 463 | 2,827 | 100 | €28,351,146 |
| Kilkenny | 10,598 | 2,968 | 364 | 2,499 | 150 | €29,261,752 |
| Sligo | 9,182 | 2,147 | 549 | 2,324 | 194 | €29,707,995 |
| Roscommon | 8,986 | 1,867 | 369 | 2,938 | 136 | €26,034,238 |
| Westmeath | 8,871 | 2,491 | 251 | 2,015 | 183 | €35,009,917 |
| Offaly | 8,117 | 2,182 | 439 | 1,924 | 147 | €31,136,230 |
| Cavan | 7,957 | 1,756 | 293 | 1,778 | 95 | €22,866,868 |
| Carlow | 5,959 | 1,525 | 217 | 1,429 | 95 | €22,189,690 |
| Monaghan | 4,081 | 1,287 | 161 | 846 | 52 | €16,186,839 |
| Leitrim | 3,841 | 843 | 137 | 1,252 | 31 | €10,893,592 |
| Longford | 3,661 | 848 | 159 | 1,036 | 60 | €12,498,697 |
Rates per 1,000 homes and spend per home are calculated using Central Statistics Office (CSO) Census 2022 occupied private dwellings data (1,836,728 homes nationwide).
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