PESTEXPERT UK Pest Control

Category: Wildlife

Foxes, squirrels, moles and other garden wildlife control guides.

  • Best Garden Pest Deterrents: Cats, Squirrels and Birds

    By Pest Expert Editorial Team · Reviewed by licensed pest professionals

    This guide contains affiliate links. If you buy through them we may earn a small commission, which helps keep Pest Expert running.

    The best garden pest deterrent depends on which animal is causing the trouble. For cats, combine a physical barrier over bare soil with a motion-activated deterrent covering the route they use. For grey squirrels, squirrel-resistant feeders and mesh over bulbs do far more than any gadget. For pigeons and other birds, cut off easy food and fit netting or spikes properly, outside the nesting season.

    Whatever you choose has to be humane, and for some animals the law decides what you can and can’t do. Cats are protected from cruelty, wild birds and their active nests are protected, and grey squirrels can’t legally be caught and let go somewhere else. Below we compare the main product types, explain where each one fits, and flag the methods that waste money or break the law. Our recommendations are based on product labels and published guidance from animal welfare bodies, not hands-on testing.

    In this guide

    Quick Picks

    Best forProduct typeOur pick
    Cats fouling one bed or entry pointSingle solar ultrasonic deterrentSolar Cat Repellent (1 pack)
    Cats and foxes across a larger gardenTwin pack with adaptive frequency2 Pack Ultrasonic Cat Repellent
    Night visitors that ignore sound alonePIR deterrent with flashing LEDSolar Cat Repellent with LED
    Shady gardens with little sunSolar plus USB rechargeable repeller2-in-1 Solar Ultrasonic Animal Repeller
    Squirrels emptying bird feedersSquirrel-resistant feederSee our top pick on Amazon
    Pigeons stripping brassicasFruit and vegetable nettingSee our top pick on Amazon

    Deterring Cats from Beds and Lawns

    Cats usually visit a garden for two reasons: somewhere soft to dig and toilet, or food. Take those away and most will move on. The RSPCA’s own advice leans on simple habitat changes first: cover bare soil with pebbles, chippings or twigs, lay mesh or prickly prunings over freshly sown beds, keep bins sealed, and feed birds off the ground so cats aren’t drawn in to hunt.

    Physical barriers are cheap and silent, and they work all day without batteries. Plastic prickle strips or scat mats pressed into the soil are a tidy option for borders, while chicken wire laid flat under a thin layer of mulch stops digging in vegetable beds.

    Where ultrasonic deterrents fit

    Solar ultrasonic units sit on a spike, detect movement with a PIR sensor and emit a high-pitched sound that most adults can’t hear. They suit a single problem route, such as a gap under a fence or a favourite flower bed. Results vary between individual cats, so treat them as one layer of defence alongside barriers rather than a guaranteed fix. We look at the wider evidence in our honest look at ultrasonic repellers.

    For a small garden, the single Solar Cat Repellent covers one zone with a 110° sensor (check it on Amazon). If cats and foxes come in from several directions, the 2 Pack Ultrasonic Cat Repellent lets you cover two routes, and its listing says it shifts frequency when it detects an animal to reduce habituation (check it on Amazon).

    ⚠️ Keep it humane: cats are protected under the Animal Welfare Act, and deliberately injuring or poisoning one is an offence. Never use poisons, snares, glue or anything sharp enough to cause injury. The RSPCA also warns that crushed lavender releases oils that are toxic to cats, so plant it whole rather than scattering crushed leaves.

    Keeping Squirrels Off Feeders and Bulbs

    Grey squirrels are clever, persistent and very good at ignoring gadgets. The RSPCA recommends making your garden a less attractive habitat, which in practice means removing the food that keeps them coming back.

    • Swap to a squirrel-resistant feeder. Caged feeders or weight-operated perches that close under a squirrel’s weight are the single most useful change. See our top pick on Amazon.
    • Stop putting out loose nuts. If squirrels are burying food in your lawn, the RSPCA suggests stopping hard foods such as nuts altogether for a while.
    • Protect bulbs with mesh. Lay wire mesh over newly planted bulbs and peg it down. Shoots grow through, but squirrels can’t dig them up. bulb protection mesh.
    • Use a deterrent on the approach route. A motion-activated unit placed where squirrels drop onto a bed can help, but don’t expect it to protect a feeder they’re already used to.

    If squirrels have moved from the garden into your loft, that’s a different job. Wait until any young have left, then seal gaps with strong wire mesh and trim branches that overhang the roof.

    💡 Tip: grey squirrels are a non-native species, and the RSPCA notes it’s illegal to release one elsewhere once caught. Don’t buy a live-catch trap planning to “drive it to the woods”. Deterrence and exclusion are the realistic home options.

    Protecting Crops and Ledges from Pigeons

    Pigeons cause most bird-related garden complaints, from stripping cabbages to fouling patios under a favourite perch. Every wild bird, its eggs and its active nest are protected under the Wildlife and Countryside Act, so the goal is always to stop birds landing or feeding, never to harm them.

    Netting for vegetables and fruit

    Fine garden netting stretched over hoops is the most reliable way to save brassicas and soft fruit. The RSPCA stresses that netting must be properly installed and maintained, because loose or badly fitted net can trap birds and kill them. Pull it taut, peg the edges down and check it daily. See our top pick on Amazon.

    Spikes and wires for ledges

    Anti-perch spikes are blunt, non-lethal strips that stop birds settling on fences, sheds and window ledges. See our top pick on Amazon. Fit them outside the spring and summer breeding season, and check carefully for nests or young first, because pigeons can breed at almost any time of year.

    Cutting off food matters too. Move feeders away from perches, use feeders with narrow ports that pigeons struggle with, and clear dropped seed from the ground.

    🛒 Comparing deterrents for your garden? See our garden pest control products

    How to Choose a Motion-Activated Deterrent

    If you’ve decided a gadget is worth adding, a few details make the difference between a useful tool and one that sits ignored in the border.

    • Power source. Solar units need several hours of direct light. In a north-facing or heavily shaded garden, the 2-in-1 Solar Ultrasonic Animal Repeller can also be topped up by USB, which helps through dull winter weeks (check it on Amazon).
    • Sensor angle and range. Most units cover a fan of around 110°. Aim it along the route animals actually take, at roughly their height, not at open lawn.
    • Light as well as sound. A flashing LED adds a visual startle at night. The Solar Cat Repellent with LED is a compact IP65 unit with this feature (check it on Amazon).
    • Adjustable settings. Being able to change frequency or sensitivity lets you reduce false triggers and stop animals getting used to one tone.
    • Your own pets. Ultrasound can be heard by dogs and cats, so place units away from areas your own animals use, and avoid them entirely near hutches for rabbits or guinea pigs.

    Moving a unit every week or two also helps, because animals learn quickly when a sound never comes with any real consequence. For fox problems specifically, our guide to fox deterrents that actually work covers fencing, scent and timing in more depth.

    What Doesn’t Work (and What’s Illegal)

    A lot of garden folklore either fails or crosses a legal line. Skip these:

    • Poisons and home-made chemical mixes. Poisoning cats or wild birds is an offence, and baits can also kill pets and hedgehogs.
    • Glue traps and snares. The RSPCA lists these among methods that are illegal or cause serious suffering.
    • Removing an active bird’s nest. Damaging or destroying a nest in use or being built is an offence without a licence. Wait until the chicks have fledged.
    • Relocating grey squirrels. Releasing a caught grey squirrel is illegal, however kind it feels.
    • Relying on one gadget alone. No single device stops every animal. Barriers plus removing food is what does the heavy lifting.
    • Spraying water straight at animals. If you use a water spray, aim near the cat rather than at it, as the RSPCA advises.

    When to Call a Professional

    Most garden visitors can be managed with the steps above, but some situations are better handed over. Call a pest controller or your local council if squirrels are nesting in your loft or chewing cables, if pigeons are roosting in large numbers on your roof, or if you need bird-proofing on high buildings where safe access needs ladders or scaffolding. Professionals can also advise on licensed options for birds, which homeowners shouldn’t attempt themselves. For digging pests under the lawn, see our separate guide to humane mole control.

    🛒 Ready to protect your garden? Browse all garden pest deterrents

    Frequently Asked Questions

    What is the most effective cat deterrent for gardens?

    There isn’t one product that works on every cat. Covering bare soil with pebbles, mesh or prickle strips, removing food, and adding a motion-activated deterrent on the main route together give the best chance of success.

    Do ultrasonic deterrents work on squirrels and birds?

    They are mainly sold for cats, foxes and other mammals. Squirrels often get used to them, and published welfare guidance for pigeons focuses on food control, netting and spikes rather than sound devices.

    Is it legal to stop birds nesting on my house?

    Yes, if you fit deterrents before nesting starts. Once a nest is in use or being built, it is protected, and you must leave it until the young have fledged unless you hold a licence.

    Can I trap a squirrel and release it somewhere else?

    No. Grey squirrels are a non-native species, and releasing one into the wild is illegal. Focus on squirrel-resistant feeders and exclusion instead.

    Sources: RSPCA: Cats in the garden; RSPCA: Keeping squirrels out of your garden; RSPCA: Living with pigeons.

    Affiliate disclaimer: Pest Expert is a participant in the Amazon Associates Programme. We may earn a commission on qualifying purchases made through links on this page, at no extra cost to you. Product recommendations are based on manufacturer labels and published guidance from animal welfare organisations; we have not hands-on tested these products. Always follow the manufacturer’s instructions.

  • Mole Control in Your Garden: Humane and Effective Methods

    By Pest Expert Editorial Team · Reviewed by licensed pest professionals

    A lawn that was flat and green on Friday and dotted with fresh mounds of soil by Monday is a miserable sight. I’ve spoken to plenty of gardeners who went straight for the most aggressive option on the shelf, and most of them regretted it. Moles are tricky, partly because they’re one of the few garden pests you almost never see, and partly because the rules around controlling them are stricter than people expect. This guide walks through what’s actually going on underground, the humane methods worth trying first, and the point at which it’s sensible to hand the job over.

    In This Guide

    What You’re Actually Dealing With

    This sits within our wider moles and foxes advice.

    The European mole is a solitary, insect-eating mammal that spends nearly its whole life in tunnels. It isn’t eating your plants. It’s hunting earthworms and grubs, and the soil it pushes up is simply the spoil from digging. That matters, because a mole in your garden is often a sign of healthy, worm-rich soil rather than a sign you’ve done something wrong.

    Moles are territorial, so a small garden usually has one animal rather than a colony. They don’t hibernate, which means mounds can appear in any season, although they tend to be most obvious in autumn and spring when the ground is soft and damp.

    Molehills or Something Else?

    Fresh molehills are rounded mounds of fine, crumbly soil, usually with no visible hole in the middle because the mole plugs its own tunnel. If you’re seeing heaped soil with an open entrance hole, you may have a rabbit, a vole or even a rat instead (our rat guide helps you tell). Raised ridges running across the lawn are surface runs, which moles use while searching for worms after rain.

    Flatten a couple of mounds and check the next day to see if the tunnels are active. New soil means a live mole. If nothing reappears for a week or two, the animal may have moved on by itself, which happens more often than you’d think.

    💡 Practical TipFlatten new mounds with the back of a rake and keep the soil. It makes a handy top dressing for bare patches (a little lawn repair seed helps too), and checking which mounds return tells you exactly where the active runs are before you decide on a method.

    Humane Methods Worth Trying First

    No deterrent is guaranteed, and anyone promising otherwise is overselling. Still, a few approaches are worth a go because they cost little and cause no harm.

    Sonic and vibrating repellents

    These stakes send pulses through the soil, and the idea is that the mole finds your plot unpleasant and tunnels elsewhere. Results from gardeners are mixed. Some report the mounds stopping within a couple of weeks, others see no change, so I’d treat them as one tool among several rather than a fix.

    Scent-based deterrents

    Castor oil-based granules and sprays are widely sold for moles. They make the soil taste and smell unappealing to worms and, by extension, to moles. They generally need reapplying after heavy rain, so patchy results often come down to application rather than the product itself.

    ⚠️ Safety WarningNever use poison or home-made gassing methods. Poisoning moles is illegal, and these methods put pets, children and wildlife at risk. Always follow label instructions on any repellent, and keep dogs away from treated areas until dry.

    Looking for a gentle first step? Browse mole repellent stakes and castor oil-based deterrents that don’t harm the animal.

    See our top pick on Amazon

    Trapping: What the Law Expects

    Moles aren’t a protected species, but they are covered by the Animal Welfare Act 2006 and the Wildlife and Countryside Act 1981, and only certain traps can be used. In practice, that means approved mole tunnel traps set properly in an active run, handled with gardening gloves so your scent doesn’t put the mole off. They need to be checked regularly, and a trap that isn’t checked or is set badly can cause needless suffering. If that sounds like more responsibility than you want, you’re not alone.

    Live-catch traps exist, but moles can starve quickly if not checked often, and releasing one onto land that isn’t yours needs the landowner’s permission. For most households, a repeat of the deterrent approach, or a professional, is the more realistic route.

    When to Call a Professional

    Be honest with yourself about the scale. If the mounds cover a large lawn, a sports pitch, a paddock or a garden you rely on for a business, DIY deterrents are unlikely to cope. A professional mole catcher knows how to read the tunnel network, uses approved methods and checks traps on a proper schedule. Get help too if you can’t check traps daily or the damage keeps undermining paths or patios. If foxes are digging too, see our fox deterrent guide.

    Frequently Asked Questions

    Will moles go away on their own?

    Sometimes. Moles are territorial and move on when food runs low or a better patch opens up, so a quiet spell doesn’t always mean they’ve been defeated. Fresh soil after a few days of flattening tells you whether the tunnel is still in use.

    Are moles legally protected?

    Not as a species, but how you can kill or trap them is restricted by wildlife and animal welfare legislation. Poisons are not allowed, and traps must be approved designs used correctly. If you’re unsure, check current guidance or ask a professional.

    Do sonic mole repellents really work?

    Evidence is mixed. Many gardeners are happy with them, but they aren’t reliably effective in every soil type or garden. Use them as part of a wider plan rather than expecting a single stake to solve things.

    Why do I get more molehills after rain?

    Wet soil brings worms nearer the surface and makes digging easier, so moles become more active. That’s why mounds often appear in clusters after a wet spell.

    Affiliate disclaimer: Pest Expert participates in the Amazon Associates programme. Some links in this article are affiliate links, meaning we may earn a small commission on qualifying purchases at no extra cost to you. This never influences which products we recommend.

  • Fox Deterrents That Actually Work in Your Garden

    Written by the Pest Expert Editorial Team · Reviewed by licensed pest professionals · Updated 2026-09-03

    There is no single product that makes a fox decide your garden isn’t worth visiting. What actually works is layering a few things together: removing what’s drawing them in, making the space less comfortable to linger in, and using a couple of well-placed deterrents to break their routine. Foxes are creatures of habit, and habits are what you’re really trying to disrupt.

    Why foxes visit gardens

    Foxes are opportunists. They’re not singling your garden out — they’re coming because something there is easier than foraging elsewhere. That’s usually one of three things: accessible food (bins, bird feeders, pet food left outside, compost with cooked scraps), a sheltered spot to rest or den (under a shed, in overgrown shrubbery, beneath decking), or a quiet route between places they already frequent. Once a fox finds a reliable food source or safe resting spot, it keeps coming back, and may bring cubs.

    In our research, the gardens with the worst repeat visits almost always have an unsecured compost heap or food waste bin nearby. Deterrents help, but they work far better once that underlying attraction is removed first.

    Signs you have a fox problem

    Before spending money on deterrents, confirm it’s actually a fox and not a badger, cat, or rat. Typical fox signs include:

    • Small, neat holes dug in lawns or flower beds, often overnight
    • Scattered rubbish around a bin that’s been knocked over or chewed
    • A strong, musky scent near boundaries or sheds
    • Dark, twisted droppings, often containing fur or berries, left in prominent spots
    • Screaming or barking calls at night, especially during the winter mating season
    ⚠️ Safety note: Never approach a fox den or handle cubs yourself, even if they appear abandoned. If you find a den under a shed or decking, watch for activity over a few evenings to confirm it’s unoccupied before blocking the entrance.

    Scent and taste-based deterrents

    Commercial fox repellent granules and sprays work by making an area smell or taste unpleasant to foxes, which are highly sensitive to scent. Products based on citronella, capsaicin, or specific animal-repellent blends can reduce visits when applied consistently around the boundary, favourite digging spots, and bin areas. The catch is that most need reapplying every one to two weeks, and after rain, or the effect fades quickly.

    Looking for a repellent that holds up outdoors? Weatherproof granular repellents tend to outlast sprays between reapplications.

    See a motion-activated water deterrent on Amazon

    Household remedies like chilli powder, vinegar, or hair clippings are sometimes suggested online. They may offer a mild, short-lived effect, but they’re not a reliable primary strategy — the evidence for lasting deterrence is thin compared with purpose-made repellents used consistently.

    Physical barriers and fencing

    If digging or den-building under structures is the main issue, physical exclusion tends to outperform scent-based products long term. An effective barrier needs two things: a fence at least two metres high with an angled or unstable top section, and mesh buried 30–45cm into the ground and angled outward to stop digging underneath. For smaller areas, like the gap beneath a shed, stapling galvanised mesh across the opening is often enough to stop denning without fencing the whole garden.

    💡 Practical tip: You don’t need to fence the entire garden. Focus barriers on the specific entry points foxes are already using — a gap under a fence panel, a low wall, or a regular path through a hedge.

    Motion, light and sound deterrents

    Motion-activated sprinklers, lights, and ultrasonic devices interrupt a fox’s sense that your garden is safe and predictable. Sprinklers tend to get good results because the sudden burst of water is startling without being harmful, and foxes generally learn to avoid the trigger zone within a few encounters. Ultrasonic devices are more of a mixed bag — some foxes habituate within a couple of weeks, so rotate them with another method rather than leaving one running indefinitely in the same spot.

    Motion-activated deterrents work best placed near the specific entry point a fox is using, not scattered randomly. See our top pick on Amazon →

    What to stop doing

    This matters more than any product: check whether you’re unintentionally feeding foxes. Bird feeders that spill seed, pet food left outside overnight, unsecured bins, and compost with cooked scraps are the most common culprits. Bring pet food in at dusk, use a bin with a locking lid, and keep compost to uncooked plant matter only. No deterrent holds up for long if there’s still an easy meal on offer.

    When to call a professional

    Deterrents and exclusion work for most garden fox problems, but call a professional if: a fox or family of cubs has established a den you can’t safely block, foxes show unusually bold or aggressive behaviour around people or pets, damage is extensive (structural digging under a building), or consistent deterrents over several weeks haven’t helped. A professional can also advise on humane, legal exclusion methods, since how and when you’re allowed to block an active den can depend on local wildlife protections.

    Frequently asked questions

    Are fox deterrents humane?

    Reputable scent, sound, and motion-based deterrents startle or discourage foxes without harming them. Avoid anything marketed as a poison or lethal control method — these are neither necessary nor appropriate for a garden fox nuisance and can be illegal to use.

    How long does it take for deterrents to work?

    Most households see reduced visits within one to three weeks of consistent use, provided the underlying food source has also been removed. Foxes denned nearby for a season can take longer to relocate.

    Will a dog keep foxes away?

    A dog with regular garden access, especially one that barks at movement, reduces fox visits, though it’s not a guarantee — some foxes still pass through during the day when the garden is empty.

    Is it normal to see foxes during the day?

    Yes. Daytime sightings don’t necessarily mean a fox is sick or aggressive — it’s common when foraging for cubs or during territory changes in early spring. Persistent aggressive behaviour toward people or pets is unusual and worth reporting to a professional.

    Affiliate disclosure: This post contains affiliate links. If you buy through one of these links, we may earn a small commission at no extra cost to you. We only recommend products we believe are genuinely useful based on our research.