Do I Need Planning Permission for a Burglar Alarm?

• Standard house: no planning permission needed to fit an intruder alarm
• Alarm bell box on a listed building: usually needs Listed Building Consent for fixings to the façade
• Conservation areas: no planning normally, but site the bell box discreetly (front elevations are sensitive)
• Domestic CCTV: no planning permission, but UK GDPR applies if cameras capture beyond your boundary (ICO guidance)
• Police response: needs an NSI- or SSAIB-certified install & a URN — a licensing/standards matter, not planning
• Building Regs: not applicable to a standard alarm install

Bottom line: on a normal home you can go ahead. If your home is listed, get Listed Building Consent for external fixings, and if you're adding CCTV, position and sign it to stay within data-protection law. An NSI/SSAIB-accredited installer will handle all of this correctly.

Home CCTV rarely needs planning permission, but if any camera captures images beyond your own property boundary — a shared drive, the pavement, a neighbour's garden — you become a data controller under the UK GDPR and Data Protection Act 2018. The Information Commissioner's Office (ICO) expects you to only capture what's necessary, put up a clear notice that recording is taking place, and handle footage responsibly.

It's not a reason to avoid CCTV — it's one of the most effective deterrents there is — but position cameras thoughtfully, use privacy masking on areas you don't need, and keep footage secure. A professional installer will design the camera angles to keep you compliant.