How many camera do I need?

How many cameras can guarantee your safety? This is a wrong question because most cameras are located to prevent something happens at the first place, however, if something happens it must give you a clear image with what was going on. This is simple but important that planning is a must if you want to increase the safety factor in your property.
(some information used based on ACT2003 security industry and ACT2004 Private security and section 180 of it (ACT2005))


Let’s divide the properties into house, shop, and office as each has different needs to cover.


Having increased the theft during past years, houses are not safe anymore as they used to be. The best place to mount the cameras if you don’t have a particular target to watch, here is a list of common places:

  1. Front of the house especially front door
  2. Front windows (the one usually on living room)
  3. Backdoor and back of the house
  4. Garage and parking
  5. Side door or windows
  6. Second-floor windows
  7. Storage and shed

The best strategy in planning is mounting one or two cameras at a position to be seen easily (as a warning sign) and place the other ones in a place of having the surprising effect. generally, 4 cameras are enough for 120-150 square meters (the building) and for every extra 50 square meters add one camera.


Different kinds of shops need different plans but the most common planning is to cover valuable items, entrances and outdoor as a sign or warning. Customer’s face detection is a priority.

  • Every entrance
  • Every row or at least cover most of the shop
  • Every specific valuable item
  • On cashier (both cashier and customer side cover especially customer’s face)
  • Your tools or behind your counter

It is a good idea to show customers that they are being seen and it is legal



Offices depending on their work if they have many visitors or not or if they have facilities or internal storage or server room may vary for planning. The most common places are:

  • Rooms as the camera cover the door or windows
  • Over counters
  • On entrance and lifts
  • Halls and walking paths
  • Special rooms for server rooms, tea room, storage, etc.


Although this is a good estimation of where you might need to install a security camera, using a consultation at your place is highly recommended as you may need to consider the cameras and their capabilities and limitations. Here you can read more about security cameras and how to choose the best for my need.

We have a free consultation session at your place. Click here to learn more.

Don’t forget the idea behind installing CCTV firstly is to prevent any damages or situations, then help to identify or understanding the causes of an event.

Now I know How many cameras do I need. Read this to know How can you choose the right cameras. Between all these shapes and lenses and functions, what is the best choice for you?

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