| B 8.5.1 Winter temperatures | % of houses | No. houses surveyed |
|---|
| Minimum winter regularly less than temperature 0°C | 32% | 5936 |
| Minimum winter temperature 0°C-10°C | 50% | 5936 |
| Minimum winter temperature greater than 10°C | 18% | 5936 |
| B 8.5.2 House performance in cold conditions (< 15°C) | % of houses | No. houses surveyed |
|---|
| Outside temperature < 15°C at survey | 6% | 5936 |
| Houses colder inside compared to outside | 6% | 380 |
| Average temperature improvement | 4.9°C | 380 |
| Improvement in temperature: 0° to 5°C | 48% | 380 |
| Improvement in temperature: 0° to 10°C | 83% | 380 |
| B 8.5.3 Outside the house | % of houses | No. houses surveyed |
|---|
| Windbreak planting in the yard | 32% | 5936 |
| Verandahs on three sides of the house | 8% | 5936 |
| Verandahs on four sides of the house | 6% | 5936 |
| B 8.5.4 Insulation | % of houses | No. houses surveyed |
|---|
| Roof insulated | 42% | 5936 |
| Unknown if roof insulation installed | 48% | 5936 |
| No roof insulation | 10% | 5936 |
| Walls insulated | 20% | 4337 |
| No wall insulation or unknowns | 80% | 4337 |
| B 8.5.5 Windows re heating | % of houses | No. houses surveyed |
|---|
| Houses with all windows OK | 33% | 5936 |
| Houses with 80-99% of windows OK | 23% | 5936 |
| Houses with less than 80% of Windows | 44% | 5936 |
| Total windows | 66,956 | 5936 |
| Average no windows | 11.3 | 5936 |
| windows % not OK | 26% | 5936 |
| Windows Average not OK | 3 | 5936 |
| B 8.5.6 Heating system | % of houses | No. houses surveyed |
|---|
| Ducted reverse cycle heating | 2% | 5936 |
| Reverse cycle heating not ducted | 7% | 5936 |
| Open fire | 1% | 5936 |
| Combustion heater (wood or solid fuel) | 32% | 5936 |
| Ducted gas heating | 0% | 5936 |
| Gas heating not ducted | 2% | 5936 |
| Plug in electric heaters | 9% | 5936 |
| Any form of heating | 58 | 5936 |
