Alarms and cameras: choose help and protect privacy

Agree the system and the service

Ask for experience with your equipment and a clear proposal for installation, servicing, fault-finding or replacement. Confirm estimated call-out cost before booking, the work estimate before starting and extras first. Check maintenance, monitoring, cloud-storage and subscription costs.

• NSI and SSAIB certification can help assess competence. Verify the exact business and scope with the issuer: approval for one activity does not prove approval for every alarm or CCTV job.
• These are voluntary certification schemes, not a blanket legal licence required for every domestic installation in England. An insurer or a police-response arrangement may require particular certification and conditions.
• An audible alarm or phone notification does not itself arrange police attendance. Ask separately about approved monitoring and any required police registration; attendance is not guaranteed.

Choose a privacy-conscious camera view

If home cameras or doorbells capture beyond your boundary, including neighbours, public areas or shared spaces, data-protection rules apply. Follow current ICO guidance: record only what you need, tell people, secure recordings, delete them when no longer needed and handle requests appropriately.

• Use privacy masking where suitable. Keep indoor cameras out of bathrooms and other private spaces, and discuss any indoor recording with the people affected.
• Avoid recording conversations unless you have a clear, justified need.
• Never publish a household's security layout, camera views, blind spots, alarm settings or access codes.

Secure Wi-Fi equipment and handover

• Replace default passwords with strong unique ones and protect the associated account and Wi-Fi network.
• Install camera/app/firmware updates, check the support end date and disable remote viewing you do not need.
• Keep the owner in control of accounts; restrict installer access and remove it when no longer required.
• Ask for a demonstration, fault-reporting route and private handover. Cameras complement sound doors and locks.