| Potential savings to be made by installation of measures currently lacking from most homes in the United Kingdom | ||||||||||||||
| Owners | 17.9m | Tenants | 6.9m | All Housholds 24.9m | Typical Savings Per House | Total UK Savings per annum | ||||||||
| Measures lacking | % | Millions | % | Millons | % | Millions | £'s Cost | £'s saved | kWhrs | kgs CO2 | £'s millions | GWhrs | Million tons | |
| or inadequate | per home | per home | saved | saved | saved | saved | CO2 saved | |||||||
| Tank - No insulation | 4.6 | 0.8 | 9.9 | 0.7 | 6 | 1.5 | 10 to 25 | 16 | 519 | 183 | 23.7 | 770 | 0.3 | |
| Tank - Less than 2" insulation | 10.1 | 1.8 | 10.5 | 0.7 | 10.2 | 2.5 | 10 to 25 | 8 | 264 | 93 | 20.2 | 667.7 | 0.2 | |
| Tank - No Timer | 10.7 | 1.9 | 18.8 | 1.3 | 12.9 | 3.2 | 60 to 100 | 48 | 1189 | 418 | 154.3 | 3822.7 | 1.3 | |
| Tank - No themostat | 6.4 | 1.2 | 8.8 | 0.6 | 7.2 | 1.8 | 80 to 100 | 44 | 2848 | 570 | 78.4 | 5075.4 | 1 | |
| Heater to Tank no pipe insulation | 24.0 | 4.3 | 25.7 | 1.8 | 24.4 | 6.1 | 20 to 50 | 2 | 163 | 33 | 12.1 | 990 | 0.9 | |
| Loft - No insulation | 5.3 | 1 | 4 | 0.3 | 5 | 1.2 | 190 to 300 | 55 | 3190 | 728 | 68.1 | 3951.7 | 0.9 | |
| Loft - 2" or less insulation | 11.0 | 2 | 9.1 | 0.6 | 10.5 | 2.6 | 95 to 190 | 27 | 1579 | 361 | 70.8 | 4143.2 | 1.2 | |
| Loft - Hatch no insulation | 50.6 | 9.1 | 35.7 | 2.5 | 46.6 | 11.6 | 10 | 8 | 472 | 106 | 92.9 | 5479.5 | 1.2 | |
| Loft - Hatch no draughtproofing | 53.5 | 9.6 | 34.6 | 2.4 | 48.3 | 12 | 10 | 8 | 472 | 106 | 96.3 | 5682.4 | 1.3 | |
| No draughtproofing windows / Doors | 35.0 | 6.3 | 40.5 | 2.8 | 36.4 | 9.1 | 125 to 250 | 22 | 1317 | 295 | 199.4 | 11939.1 | 2.7 | |
| Draughtproofing doors/windows half | 15.3 | 2.7 | 19 | 1.3 | 16.2 | 4 | 65 to 125 | 11 | 664 | 149 | 44.4 | 2679.6 | 0.6 | |
| Double / Secondary Glazing - None | 18.7 | 3.3 | 58.7 | 44.1 | 29 | 7.2 | 1500 to 3000 | 29 | 1677 | 378 | 209.7 | 12128.4 | 2.7 | |
| Double / Secondary Glazing - half | 10.5 | 1.9 | 5.1 | 0.4 | 9.1 | 2.3 | 300 to 1500 | 16 | 956 | 213 | 36.1 | 2155 | 0.5 | |
| Cavity Wall insulation - none | 33.3 | 6 | 24.9 | 1.7 | 30.7 | 7.6 | 300 to 500 | 115 | 6771 | 1502 | 879.1 | 51759.6 | 11.5 | |
| Door insulation | 82.6 | 14.8 | 80.2 | 5.5 | 819.9 | 20.4 | 250 to 400 | 25 | 1478 | 333 | 510.1 | 30156.1 | 6.8 | |
| Boiler - over 10 years old | 29.2 | 5.2 | 15.8 | 1.1 | 25.6 | 6.4 | 400 to 600 | 122 | 7999 | 1600 | 779 | 51074.5 | 10.2 | |
| Boiler no time clock / prog | 8.0 | 1.4 | 9.9 | 0.7 | 8.5 | 2.1 | 60 to 100 | 44 | 2888 | 578 | 92.6 | 6077.9 | 1.2 | |
| Boiler - No Room thermostat | 35.7 | 6.4 | 28.7 | 2 | 33.7 | 8.4 | 60 to 80 | 23 | 1474 | 295 | 193.2 | 12380.5 | 2.5 | |
| Boiler - No TVRs | 40.4 | 7.2 | 34.3 | 2.4 | 38.7 | 9.6 | 120 to 240 | 31 | 2024 | 405 | 298.7 | 19501.4 | 3.9 | |
| Radiators - No foil behind | 69.2 | 12.4 | 59.8 | 4.1 | 66.5 | 10 to 40 | 12 | 767 | 153 | 198.8 | 12705.3 | 2.5 | ||
| Shelves above radiators | 54.4 | 9.7 | 47.5 | 3.3 | 52.5 | 13.1 | 10 to 40 | 12 | 771 | 154 | 156.9 | 10079.7 | 2 | |
| Shelves above storage heaters | 6.6 | 1.2 | 6.7 | 0.5 | 6.6 | 1.7 | 10 to 40 | 19 | 233 | 138 | 31.4 | 385.3 | 0.2 | |
| Heaters over 10 years old | 2.2 | 0.4 | 1.1 | 0.1 | 1.9 | 0.5 | 200 to 600 | 11 | 404 | 339 | 5.3 | 193.4 | 0.1 | |
| CFLs used in home | 69.0 | 12.3 | 76.9 | 5.3 | 71 | 17.7 | 20 | 27 | 335 | 198 | 477.5 | 5925 | 3.5 | |
| TOTALS | 4729 | 259723.4 | 59.2 | |||||||||||