If your file uploads crawl, your VoIP calls drop, your Wi-Fi has dead zones, you can't add new desks easily, and nobody knows what each cable in the comms cupboard does, your office network is actively costing you productivity. These are the five clearest signs that the cabling backbone needs an upgrade. Here's how to spot each one and what to do about it.
5 signs your office network is holding back your team
1. Slow file uploads, downloads or cloud backups
If your team waits noticeably for files to sync to OneDrive, Google Drive or Dropbox — especially during the morning or end-of-day rush, your cabling is likely the bottleneck. Common causes:
- Cat5 or older cabling that maxes out at 100 Mbps under real-world conditions.
- Damaged or kinked cable runs causing packet loss.
- Shared switch ports forcing devices to compete for bandwidth.
What to do: Get a free cable certification, a 30-minute test will tell you exactly which runs are underperforming.
2. VoIP calls drop, freeze or echo
Voice traffic is unforgiving, even small amounts of packet loss cause dropped words or robotic audio. The usual cabling-related causes:
- Phones plugged into low-grade or untested cable runs.
- Power-over-Ethernet (PoE) cabling that doesn't meet the standard.
- Ethernet runs sitting too close to fluorescent lights or AC mains causing interference.
What to do: Have your VoIP cable runs certified separately and look at running phones on dedicated, properly shielded Cat6 or Cat6A.
3. Wi-Fi dead zones in conference rooms or back of office
Wi-Fi performance is mostly a cabling problem, not a Wi-Fi problem. If your access points are fed by long, low-grade or improperly placed cable runs, you'll get patchy coverage no matter how new the access points are.
- Access points placed wherever cable already exists, instead of where coverage is needed.
- Single access point trying to cover too much area.
- PoE cable runs too long or wrong specification.
What to do: A quick site survey with heat-mapping shows where extra Cat6 PoE runs to ceiling-mounted access points will eliminate the dead zones.
4. You can't easily add a new desk or staff member
If adding one new workstation means a half-day for your IT person to chase cables, find a free port, and patch in, your cabling isn't structured. A properly structured cabling install means new desks plug in within 5 minutes:
- Every wall outlet maps to a labelled port on a patch panel.
- Spare runs are pre-installed where future desks might land.
- Cable schedule is documented so anyone can find the right port.
What to do: Ask for a structured cabling design with a labelled patch panel and a written cable schedule. Future moves take minutes instead of half-days.
5. Nobody can identify what each cable does in the comms cupboard
If your comms cupboard is a tangle of unlabelled cables, every troubleshooting visit takes longer and costs more. Worse, faulty patches can take down your entire office network for hours while someone untangles it.
- No labels on cables, patch panels or switches.
- No documentation of which ports go where.
- Old, disused cables left in place "just in case".
What to do: A re-termination and labelling job typically takes a single day and pays for itself the next time something goes wrong.
What's the next step if I'm seeing these signs?
The fastest, cheapest first step is a free site survey. A certified technician walks through your office, identifies which signs you're hitting, and gives you a fixed-price plan to fix them, bundled or in stages, depending on your budget.
- Most fixes for small offices come in well under NZ$5,000 and pay for themselves within months in saved IT time and avoided downtime.
- You can typically tackle the worst cabling issues without disrupting your team, most pulls and termination work happen quietly during business hours.
- Doing nothing is rarely cheaper. Slow networks compound, what wastes 10 minutes per person today wastes hours per person across a year.
Frequently asked questions
How do I know if my cabling is the problem and not my internet plan?
How long does a cabling fix-up take?
Will I have to disconnect my office during the work?
How much does a basic office network upgrade cost in Auckland?
Will the install include certification and labelling?
Get a free cabling assessment
If you're seeing any of the 5 signs above, a free site survey will tell you exactly what to fix.
Call 0800 222 546 or book your free survey online.
Reviewed by Namra Shah, Founder & Director of Cabling For U. Cabling For U has been delivering certified network cabling, fibre and CCTV installations across Auckland since 2018, installing to TIA/EIA and AS/NZS standards.

