Of all the damage squirrels cause in a roof space, chewed electrical wiring is the one that should be taken most seriously. It's not simply a repair cost — damaged cabling in a loft is a genuine fire risk, and it's one of the main reasons squirrel activity in a Bracknell home shouldn't be left to sort itself out.
Why Squirrels Chew Wiring
Squirrels don't chew wiring because they're after something inside it — it's simply in their way, or it happens to be within reach of teeth that need constant wearing down. Cable insulation is soft enough to be an easy, almost incidental target as a squirrel moves around a loft, builds a nest, or works at timber nearby. Over time, repeated gnawing along the same run of cable can strip insulation back to bare copper.
The Fire Risk Explained
Once the outer insulation is breached, exposed wiring in a confined, insulation-packed loft space is a serious hazard. A short circuit against bare wire, or exposed cable in contact with flammable loft insulation and nesting material, can be enough to start a fire — and because it's happening out of sight in the roof space, it can go completely unnoticed until it's too late. This is one of the reasons pest professionals treat wiring damage as a priority finding during any loft inspection, not just a note on a report.
Signs Your Wiring May Have Been Damaged
- Lights flickering or dimming without an obvious cause
- Circuit breakers or an RCD tripping repeatedly for no clear reason
- A burning smell with no visible source, particularly near the loft hatch
- Sockets or switches on a particular circuit that stop working intermittently
- Visible chew marks on any cabling you can see from the loft hatch
What to Do If You Suspect Damage
If any of these signs are present, treat it as urgent. Avoid going into the loft to inspect wiring yourself if you're unsure what you're looking at — a qualified electrician should check and make safe any damaged cabling, and squirrel activity should be dealt with alongside this, since new gnawing can undo an electrical repair within days if the animals are still present.
If you've noticed electrical faults alongside daytime noise in your loft, don't treat them as separate problems. Pest Services Berkshire deals with squirrel-related wiring damage across Bracknell regularly, and can inspect the roof space, confirm the extent of the activity, and advise on next steps, including when an electrician needs to be involved. Call 0118 336 1366 for a free quotation.
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