The first question we almost always receive when a company plans CCTV is: what is the office CCTV installation cost? The answer depends on several interrelated components. In this article, the Techarg team walks through each one the way we usually explain it during consultations, including how we calculate hard drive capacity, so the budget picture is realistic before a quotation is prepared.
Office CCTV Installation Cost Components
1. Cameras
Cameras have the biggest impact on cost. During consultations, our team goes through the following with the client:
- Indoor or outdoor: outdoor cameras need weather protection (IP66/IP67 rating).
- Form factor: dome cameras suit indoor spaces; bullet cameras suit outdoor areas and longer distances.
- Resolution: 2 MP (1080p) is enough for most rooms; 4 MP to 8 MP for large areas or when facial detail and license plates are needed.
- Night performance: standard infrared, or cameras with full-color technology for low-light conditions.
2. Recorder (NVR/DVR)
An NVR (Network Video Recorder) is used with IP cameras, while a DVR is used with analog cameras. On every project, we recommend an NVR with more channels than needed today, for example a 16-channel NVR for 10 cameras, so cameras can be added later without replacing the recorder.
3. Hard Drives
Hard drive capacity determines how long recordings are kept before they are overwritten. We recommend surveillance-grade hard drives because they are designed for continuous 24-hour recording.
4. Cabling, PoE Switches and Accessories
IP cameras usually receive power and data over a single network cable (PoE). Costs rise with cable length, the number of PoE switch ports, pipes or conduit, and connectors.
5. Installation and Configuration
This covers cable pulling, camera mounting, viewing-angle adjustment, NVR configuration and mobile access setup. In our experience, installations in multi-story buildings or hard-to-reach areas take longer, so we factor this in from the start.
How We Calculate CCTV Hard Drive Capacity
The simple formula we usually use:
Capacity per camera per day (GB) = bitrate (Mbps) × 10.8
The figure 10.8 comes from 86,400 seconds in a day, divided by 8 (bits to bytes), divided by 1,000 (MB to GB).
Example for a 2 MP camera with H.265 compression and a bitrate of about 2 Mbps:
| Calculation | Result |
|---|---|
| Per camera per day | 2 × 10.8 = 21.6 GB |
| Per camera, 30 days | 21.6 × 30 = 648 GB |
| 8 cameras, 30 days | 648 × 8 ≈ 5.2 TB |
Actual bitrate varies by camera and settings, so in the final calculation our team always refers to the specifications of the selected camera. Motion-detection recording can save significant capacity in low-traffic areas.
Our Recommendations to Keep Office CCTV Installation Cost on Target
- Camera placement based on risk, not just quantity. The priorities we usually suggest are entrances, cash areas, warehouses and server rooms.
- Resolution matched to purpose. From what we often see, a corridor does not always need an 8 MP camera.
- H.265 compression, which we recommend to save hard drive space.
- A separate CCTV network from the office network for better security and to avoid loading the internet connection.
- A UPS for the NVR and switch so recording continues during power outages.
- A site survey before the final quotation, because in our experience cable routes are often the hardest cost to estimate from a floor plan alone.
Conclusion
Office CCTV installation cost is determined by the number and type of cameras, retention period, cable length and installation difficulty. By calculating storage requirements and placing cameras based on risk, an effective system can be achieved without overspending. This is the approach we use when designing CCTV solutions for clients.
Tell us about your office security needs, and the Techarg team is ready to provide consultation and a solution. Techarg provides CCTV and security system installation for offices, warehouses and buildings across Indonesia. Contact us for a site survey and quotation.

