Rodents in Your Home: The Hidden Threat That Could Cost You Thousands

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July 23, 2026
5 min read

Rodents in Your Home: The Hidden Threat That Could Cost You Thousands

Most homeowners think about burst pipes, leaking roofs, or subsidence when they consider property damage. Very few think about rats and squirrels. But the numbers tell a different story, and they are getting harder to ignore.

The Scale of the Problem

Insurance data reveals just how dramatically rodent damage to homes has grown in recent years. According to figures from LV= General Insurance, the number of claims for squirrel damage alone rose by 51 per cent in a single year. The average payout for such a claim stands at around £3,000, but individual cases can be far more severe. One claim reached £30,000 to cover repairs and temporary housing after a squirrel gnawed through roof timbers, underfelt, and asbestos. In another case, a homeowner received an electric shock after wiring near water pipes was chewed through, and a separate claimant saw their motorhome catch fire due to dashboard wiring damage caused by rodents.

Overall, claims for damage caused by all animals rose by more than a third in the same period, with rodents leading the way by a significant margin.

The financial threat does not stop at repair bills. Analysis from insurance specialists at Quotezone.co.uk suggests that a rat infestation can knock up to 20 per cent off a property's value due to the structural damage and health risks involved. On an average-priced London property, that figure translates to a loss of around £53,000. Sellers are also legally required to disclose any infestations when marketing their home, meaning a hidden rodent problem can derail a sale entirely or result in legal disputes further down the line.

The picture is expected to worsen. Pest control specialists have warned that after a warm summer, rodent populations grow significantly, with larger numbers seeking shelter indoors once temperatures drop. Industry experts have described this coming period as a particularly bad winter for rat activity in homes across the UK.

Why Your Home Is at Risk

Squirrels and rats don't need much of an invitation. Cold weather drives them to seek warmth, and our homes provide exactly what they need: insulation to nest in, cables to gnaw on, and structural timbers to wear their teeth against. Once inside a loft or wall cavity, the damage they cause can be extensive and largely invisible until it has already become serious.

The fire risk in particular is something that doesn't get enough attention. Fire safety experts have warned that squirrels entering homes through roofs and eaves routinely strip wiring insulation and build nests from highly flammable debris, creating conditions that can lead to devastating house fires. The Essex County Fire and Rescue Service has advised homeowners to check their wiring regularly for signs of damage, noting that hot plugs or sockets, scorch marks, and flickering lights can all be early warning signs of compromised wiring.

Making matters worse, most standard home insurance policies do not cover rodent damage at all, treating infestations as a maintenance issue rather than an unforeseen event. This leaves homeowners personally responsible for what can quickly become very large repair bills.

The Smarter Approach to Protection

The common responses to rodent problems, traps, poisons, and ultrasonic devices, all share a significant limitation: they are either reactive, addressing damage that has already been done, or they lose their effectiveness over time as rodents adapt to them. Poisons and chemicals also carry risks to children, pets, and the wider environment.

At CTech Corporation, we take a fundamentally different approach. Our product, Rodrepel™, is an extremely low-toxicity, environment-friendly rodent aversive that works by making the surfaces rodents would otherwise target unattractive to them in the first place. Rather than waiting for damage to occur and then dealing with the consequences, Rodrepel™ stops the problem before it starts.

The product works through a carefully developed aversion mechanism. When a rodent encounters a treated surface, it experiences an instinctive discomfort response that causes it to associate that surface with something to avoid. This memory is retained and passed on to other rodents in the area, creating a widening deterrent effect over time rather than diminishing returns.

For homeowners, Rodrepel™ is available in several practical formats. Our lacquer can be applied directly to existing wiring, cables, pipes, and wooden surfaces, forming a transparent, durable protective coat that does not require replacement of the materials underneath. Our liquid concentrate can be blended with paint and applied across loft spaces, wall cavities, garages, and other areas where rodents are known to gain access. Our wood polish additive offers protection for wooden furniture and structural timbers. Our spray provides a straightforward solution for treating specific areas of concern quickly and easily.

All Rodrepel™ products are compliant with ROHS, ROHS2, REACH, ISO, APVMA, NEA, EU BPR, and are FIFRA exempted, making them safe for use in homes where children and pets are present.

Rodents are becoming a bigger, more expensive, and more dangerous problem for homeowners every year. The good news is that protection does not have to be complicated, toxic, or temporary.

Contact us at technical.marketing@ctechcorporation.com to find out which Rodrepel™ product is right for your home.

Visit us at: www.ctechcorporation.com | www.rodrepel.com | www.combirepel.com

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