GRADE 1: LOW RISK
A low risk property or premises. This would typically be a normal household property or basic office/commercial premises without high value single items (artwork etc.). An intruder or robber is expected to have little knowledge of intruder alarm systems and be restricted to a limited range of easily available tools. i.e. opportunistic.
GRADE 2: LOW TO MEDIUM RISK
A property or commercial premises requiring additional protection to the above Grade 1. There may be high value single items on site. An intruder or robber is expected to have a limited knowledge of intruder alarms and the use of a general range of tools and portable equipment. i.e. some skill, low tech.
GRADE 3: MEDIUM TO HIGH RISK
Properties containing multiple high value items, art galleries, low risk financial institutions, pharmacy and any other premises with high value contents or information. An intruder or robber is expected to be conversant with intruder alarms and have a comprehensive range of tools and portable electronic equipment i.e. professional.
GRADE 4: HIGH RISK
High street banks, pharmaceuticals, R&D facilities and other high risk properties or premises. To be used when security takes precedence over all other factors. An intruder or robber is expected to have the ability or resource to plan an intrusion or robbery and have a full range of equipment including means of substitution of components in an intruder alarm system. i.e. experienced and committed professional.