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Do I Need Pre-Wiring for a New Home or Renovation?

Pre-wiring is the cheapest time to add cables for TVs, speakers, Wi-Fi and cameras. Learn what to run before the walls close.

Published 2026-07-12 · 3 min read · By the 1800Install team

What is pre-wiring?

Pre-wiring means running cables for technology while the walls are open, before insulation and drywall.

Why it matters

Adding cable after drywall is possible but more work. Pre-wire is the easiest way to get a clean, reliable result.

What to run

Common pre-wire runs include:

  • Network cable to access point locations
  • Network and power at TV locations
  • Speaker wire for ceilings and walls
  • Camera and doorbell cabling
  • Cable to a central equipment closet
  • Keypad and control wiring

Plan with your builder

Share plans with your technician early so wiring lands where the TVs, speakers and devices will live. We coordinate with builders, electricians and architects.

Already finished?

We can often fish cable through walls and ceilings, and some devices can use wireless links. Ask for a free quote.

What it costs you not to

Skipping pre-wire usually means weaker Wi-Fi, cameras that rely on batteries, TVs with cords hanging below them and speakers that can't be added without opening finished walls. All of that can be fixed later, but it's slower and messier than running wire while the walls are open.

Even if you're not buying the system yet

Pre-wire is about keeping options open. Running cable to likely TV, speaker, camera and access point locations now lets you add the equipment years later without touching drywall. A labeled map of every cable makes future work fast.

Renovations count too

If walls or ceilings are open for a kitchen, basement or addition, that's the moment to run wire for those rooms and anything beyond them. See what is structured wiring.

Common questions

When should the installer come?

After framing and rough electrical, before insulation and drywall.

What about Control4?

See the Control4 pre-wire guide.

Do you work with builders?

Yes. See for builders.

Free quote. Often same-day appointments.

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