Intervals between periodic test and inspection
| Domestic Premises | 5 - 10 Years |
| Churches | 5 Years |
| Commercial premises | 5 Years |
| Education establishments | 5 Years |
| Hospitals | 5 Years |
| Pubs | 5 Years |
| Industrial premises | 3 Years |
| Cinemas | 1 Year (Legal Mandatory) |
| Leisure complexes | 1 Year |
| Marinas | 1 Year |
| Places of Public entertainment | 1 Year |
| Theatres | 1 Year |
| Agricultural premises | 3 Years |
| Caravans | 3 Years |
| Caravan sites | 1 Year (Legal Mandatory) |
| Emergency Lighting | 3 Years |
| Fire alarm systems | 1 Year |
| Launderettes | 1 Year (Legal Mandatory) |
| Petrol stations | 1 Year (Legal Mandatory) |
| Tempoary Installations | 3 months |