Security camera installation - coverage first, camera second

What is security camera installation?

A camera installation is a coverage design, not a shopping list. The work is deciding which sightlines matter - approaches, doors, driveway, side gate - then choosing mounting heights and angles that produce identifiable footage rather than a shape moving in the dark. The decision most people skip is where recordings are stored and for how long, because a camera whose footage has already expired is a camera that saw nothing.

Signs you need security camera installation

• Something has happened on the property and you had nothing to show anyone afterwards
• Packages are left at a door you cannot see from inside the house
• You have a long driveway, a side gate or a rear alley that nobody overlooks
• You want to check on an elderly relative, a contractor visit or a dog while you are out
• A neighbour dispute or a property-line issue means you want a dated record of what actually happens
• You already have a doorbell camera and have discovered it only sees a doorstep, not an approach
• Your existing cameras produce footage that is technically recorded and practically unusable at night

Seeing something not on this list? Browse home security problems by symptom →

How security camera installation actually works

1. 1

   Deciding what each camera is for before it is chosen

   Every camera should answer a question. "Who is at the front door" needs a tight view at face height. "What vehicle came up the driveway" needs a wider view aimed at the approach. "Did anyone come over the back fence" needs a view of the fence line, not of the garden. Cameras asked to do all three do none of them.

   Watch forA quote that lists four cameras and no purposes. Ask what question each one answers, and if the installer cannot say, the placement has not been designed.

2. 2

   Sightlines, height and angle

   Mounting height trades reach against identification. High mounts cover more ground and are harder to interfere with, but see the top of heads rather than faces. Roughly head height at a choke point - a gate, a path, a doorway people must pass through - is where identification actually happens. Overhangs, downpipes, trees and porch posts all end up in frame if the angle is set from the ladder rather than from the monitor.

   Watch forCameras aimed from the mounting position rather than confirmed on a live view. Every installer should be looking at the actual picture while adjusting, in both daylight and darkness.

3. 3

   Night performance - the part that decides whether it was worth it

   Most events people care about happen in the dark. Infrared illumination gives monochrome images and reflects hard off nearby walls, glass and rain. Colour-at-night cameras depend on having some ambient light and often on a built-in spotlight. A camera behind a window will bounce its own IR straight back and record a bright white nothing.

   Watch forAny camera pointed through glass, and any camera with a wall, gutter or shrub inside about a metre of the lens. Both wash out the whole frame as soon as the IR comes on.

4. 4

   Weather, sun and the things that ruin a good angle

   A camera aimed at where the sun rises or sets spends part of every day looking into glare. Rain lands on upward-facing lenses; spiders build webs across IR-lit housings; a soffit-mounted camera stays clean far longer than one on an exposed wall. Good placement anticipates twelve months, not the afternoon of the install.

   Watch forHousings mounted with the lens exposed to direct rainfall. It is the most common cause of a camera that seemed fine at handover and is permanently blurred by autumn.

5. 5

   Where the footage lives - local, cloud or both

   Local recording puts video on a recorder or a card in your house: no subscription, footage under your control, and vulnerable to the recorder being stolen or failing. Cloud recording puts it off-site, usually behind a recurring fee, with retention limited by the plan. Hybrid setups record locally and push clips to the cloud, which is the arrangement most people would choose if it were presented to them.

   Watch forCameras sold on the basis of the hardware price when useful features - any recording at all, in some cases - are gated behind a subscription. Ask what the camera does with no plan attached.

6. 6

   Retention - how long you actually keep it

   Retention is the number that matters and nobody asks about it. Many incidents are discovered days later: a parcel that never arrived, damage noticed at the weekend, a dispute raised the following week. If your retention window is shorter than the time it takes you to notice, the system records diligently and helps you never.

   Watch forRetention quoted in days without saying at what resolution and frame rate, or whether continuous or motion-only. Change any of those and the number changes with it.

7. 7

   Commissioning, access and review

   At handover you should see every camera live, review a recorded clip from each, check the night view after dark, and know how to export a clip in a form somebody else can open. Motion zones and sensitivity get tuned here too - the difference between useful alerts and an app you mute within a week.

   Watch forMotion detection left at factory defaults covering the whole frame. Every passing car and moving branch becomes a notification, and alert fatigue makes the system worthless within a fortnight.

What does security camera installation cost?

A couple of wireless cameras is a modest one-off purchase; a designed multi-camera system with a recorder runs to several thousand dollars installed. The real long-run variable is whether recording and features sit behind a subscription. Ask what the system does with no plan active.

See the full security camera installation cost guide - by material, size and region →

If the number is the problem, here are the ways people pay for it →