| Percentage of houses | Total houses surveyed | Change since 2006 |
|---|
| Age of house - more than 10 years (may have been built and cabled for lower demand electrical appliances) | 70% | 7151 | 4% |
| Type of walls - steel frame and fibrous cement, timber, or steel (habitat and possible easy access at edges for mice) | 34% | 7714 | 4% |
| Type of walls - timber frame and fibrous cement, timber, or steel (habitat and possible easy access at edges for mice) | 18% | 7714 | 2% |
| Houses with evidence of some mice or rats present | 32% | 7712 | 2% |
| Houses with evidence of many mice or rats present (potential to attack cables) | 15% | 7151 | 1% |
| No evidence of ants or cockroaches at time of survey, or reported by residents | 24% | 7713 | -2% |
| No evidence of ants or cockroaches at time of survey, but reported by residents | 45% | 7713 | 4% |
| Evidence of ants or cockroaches at time of survey (possible damage to cabling or connections) | 34% | 7151 | -5% |
| Electric powered hot water system (known habitat for mice and insects) | 46% | 7703 | -5% |
| Heat pump hot water system (usually ground mounted and known habitat for mice) | 1% | 7703 | 1% |
| Houses with combined refrigerator/freezer (habitat for mice and insects) | 72% | 7663 | -1% |
| Electric cook top (known habitat for mice and insects) | 72% | 7650 | 0 |
| Type of lights, bulbs/globes: houses where most are incandescent (known habitat for mice when ceiling mounted due to heat) | 58% | 7701 | -9% |
| Houses with all power points safe and functional (where power points not OK, this may indicate cable damage) | 42% | 7639 | -3% |
