CCTV vs smart doorbell cameras: What's the difference?
📅 Published: May 2026 ✅ Last updated: 26 May 2026 ⏱ 8 min read 🇬🇧 UK Home Guide
CCTV vs Smart Doorbell Cameras: What's the Difference?
CCTV cameras and smart doorbell cameras are both video surveillance devices, but they have distinct differences in terms of functionality, installation, and use cases. CCTV cameras are standalone units that can be installed indoors or outdoors to monitor a specific area, while smart doorbell cameras are designed to be mounted on the exterior of a property's front door and provide a view of who is at the door, as well as the ability to communicate with the visitor through an intercom system.
| Feature | CCTV Camera | Smart Doorbell Camera |
|---|---|---|
| Price (GBP) | £80-150 per camera | £50-100 per unit |
| Installation | Requires professional installation and wiring | Easy DIY installation, no wiring required |
| Resolution | High-resolution options available for clear images | HD resolution standard, sufficient for identifying visitors |
| Storage | Local storage on SD card or cloud storage (subscription required) | Cloud storage only, subscription required |
| Feature | CCTV Camera | Smart Doorbell Camera |
|---|---|---|
| Audio | Built-in microphone and speaker for two-way communication | Integrated microphone and speaker for talking to visitors |
| Motion Detection | Motion-activated recording available | Motion-activated alerts and recording standard |
| Night Vision | IR night vision capabilities for low-light monitoring | Night vision integrated for clear images in the dark |
Pros and Cons:
| CCTV Camera Pros | Smart Doorbell Camera Pros |
|---|---|
| High-resolution imaging | Easy installation |
| Wide-angle lenses available | Two-way communication |
| Motion-activated recording | Night vision capabilities |
| CCTV Camera Cons | Smart Doorbell Camera Cons |
|---|---|
| Requires professional installation | Limited field of view |
| Wiring and power supply needed | Subscription required for cloud storage |
Checklist:
- Determine the specific areas you need to monitor
- Consider the number of cameras required
- Assess your budget for both hardware and potential subscription fees
- Evaluate the need for high-resolution imaging and night vision capabilities
- Decide on the level of audio communication needed (two-way or one-way)
FAQ:
Q: Are smart doorbell cameras a suitable replacement for CCTV cameras? A: While smart doorbell cameras can be a good addition to your home security system, they are not a complete replacement for CCTV cameras. Smart doorbells are primarily designed for monitoring the front entrance of a property and communicating with visitors. CCTV cameras offer more comprehensive coverage and higher-resolution imaging for multiple areas within or around a property.
Q: Do I need professional installation for CCTV cameras? A: Yes, installing CCTV cameras typically requires professional assistance due to the need for wiring and power supply. Professional installers can ensure that the cameras are properly positioned and connected, providing optimal coverage and performance. However, smart doorbell cameras are designed for easy DIY installation without the need for wiring.
Q: Are there any legal requirements for installing CCTV cameras in the UK? A: Yes, under the Data Protection Act 2018 and the General Data Protection Regulation (GDPR), you must comply with specific rules when using CCTV cameras. You must display clear signs indicating that surveillance is in place, and you may need to register with the Information Commissioner's Office (ICO). Additionally, British Standard BS EN 50132 governs the design, installation, and operation of video surveillance systems.
Q: How do I choose the right number of CCTV cameras for my property? A: The number of CCTV cameras needed depends on the size and layout of your property, as well as the specific areas you want to monitor. Consider factors such as the length of walls or fences that need coverage, blind spots, and potential entry points for intruders. A professional installer can help assess your property and recommend the optimal number and placement of cameras.
Q: What are the benefits of using smart doorbell cameras? A: Smart doorbell cameras offer several advantages over traditional doorbells, including:
- Easy installation without the need for wiring
- HD video and audio communication with visitors
- Motion-activated alerts and recording
- Night vision capabilities
- Integration with other smart home devices (e.g., voice assistants)
Related Guides
- Does CCTV actually deter burglars in the UK?
- How to set up remote viewing for your CCTV system in the UK
- CCTV buying guide UK 2026: What to look for in a system
- Wireless vs wired CCTV: Which is better for UK homes?
About the Author
Gary Pearce is a certified UK CCTV installer with over 15 years of experience installing home and business security systems across Surrey and the South East. He provides practical, compliance-focused advice to help UK homeowners and businesses get the best possible CCTV protection.
Written by Gary Pearce — certified UK CCTV installer with 15+ years of experience. Need professional advice? Learn more or call 07830 638 337.
In the UK, when considering the installation of CCTV or smart doorbell cameras, it is essential to adhere to the relevant British Standards and legislation. BS 8418 outlines the requirements for the design, installation, and operation of CCTV systems, while EN 50132 governs the performance characteristics of video surveillance systems. It's also crucial to comply with UK GDPR and ICO guidelines when capturing footage or data from your devices.
For a professional CCTV installation in the UK, expect to pay around £100-150 per camera on average. This cost typically includes the camera itself, wiring, power supply, storage solutions (either local SD card or cloud-based), and the expertise of a certified security installer. The price can vary depending on factors such as the complexity of the installation, the number of cameras required, and any additional features like motion-activated recording or high-resolution imaging.
When it comes to DIY smart doorbell camera installations, prices are generally lower, ranging from £50-100 per unit. These devices often come with easy-to-follow installation guides and can be set up by the homeowner without the need for professional assistance. However, it's still advisable to familiarize yourself with BS 8418 guidelines and ensure that your smart doorbell camera complies with UK data protection laws.
One key aspect of CCTV installation in the UK is obtaining the necessary planning permission and displaying clear signage to inform the public that surveillance cameras are in use. This is particularly important for installations that may capture footage of publicly accessible areas or residential homes visible from the street. Adhering to these legal requirements ensures that your CCTV system is deployed responsibly and with due regard for individuals' privacy rights.
In terms of practical installation advice, it's essential to consider the placement of your cameras carefully. For example, when installing CCTV in a shop or commercial premise in the UK, you may want to focus on areas such as entrances/exits, cash points, and high-value stock areas. In residential properties, key areas might include the front door, driveway, garden, and any other external buildings like sheds or garages.
When positioning cameras, think about the field of view and make sure you cover all essential angles while avoiding capturing sensitive areas like windows overlooking neighbouring properties. It's also a good idea to install signs near your cameras so that people are aware they're being recorded, which is particularly important for compliance with data protection laws in public spaces.
In conclusion, when choosing between CCTV or smart doorbell cameras, consider the specific needs of your property and the level of coverage you require. For comprehensive surveillance across multiple areas, a CCTV system may be more suitable, while a smart doorbell camera could be an excellent addition to your home security setup, particularly if you want to communicate with visitors remotely.
By adhering to UK standards and legislation, investing in quality equipment, and ensuring proper installation, you can create a robust and effective video surveillance system that helps protect your property and provides valuable peace of mind.