Commercial CCTV maintenance should be treated like preventative risk control; it protects evidence quality, reduces blind spots and keeps operational monitoring dependable. Across Glastonbury, Somerset, facilities and security teams often only notice issues after footage is needed, which is why structured maintenance checks are so valuable. A common cause of repeat faults is connectivity. Servicing checks include confirming network and PoE stability, reviewing switch and port behaviour where accessible, and testing for intermittent link drops that create cameras offline or unstable feeds. This structured approach helps separate a camera fault from an upstream issue such as cabling, power, network configuration or a recorder port problem. Finally, we review the configuration that often causes hidden problems. Time and date accuracy is checked because it affects evidence review and incident timelines. Recording schedules and motion settings are reviewed to reduce missed footage or unnecessary storage load. Where remote viewing is used, we verify secure access and user permissions so managers can view live and recorded footage reliably without weakening security controls. We work in a way that supports facilities teams, not disrupts them. Checks are planned to minimise disruption to operating hours, and any issues found are explained clearly, with practical options if parts or upgrades are needed. This maintenance structure helps reduce repeat callouts, avoids preventable downtime, and keeps your CCTV system predictable for day-to-day security oversight.