Are you waging a silent battle against rats in your garden? Rest assured, you are not alone.
Rats can be more than an unwanted nuisance in your garden. They damage plants and vegetables, leave droppings and a musky smell, cause irritating noises, and can move on to your home if left unchecked. So taking prompt, hands-on action matters.
In this article, we'll share 15 tips to get rid of rats in your garden, in the right order, and be straight with you about the two things people most often get wrong: reaching for poison too soon, and missing where the rats are actually coming from.
📋 Quick guide: what to do today
- Find the real source. In our experience garden rats most often come from compost, a neighbour's garden, or drains and sewers – not, as people assume, mainly bird feeders. Sort the source and the rest gets far easier.
- Remove food: bring in pet food, secure bird seed and feeders, and lock compost lids.
- Remove cover: clear clutter, cut back overgrowth, move woodpiles off the ground.
- Confirm signs: look for burrows near sheds and decking, droppings, and runs along fences and walls.
- Control safely: use traps first (in tamper-resistant stations), not poison – see the note on rodenticides below before you consider bait.
- Stop access to buildings: proof gaps into sheds and greenhouses, and check air bricks and pipe entries into the house.
Signs You've Got a Rat Problem (Not Just a Visitor)
- Burrows: entrances around 30–40mm across, often near sheds, decking edges, compost areas or fence lines.
- Droppings: large, dark, blunt-ended pellets, typically 10–20mm long (like a raisin), often grouped.
- Runs and smear marks: repeated routes along walls and fences, with greasy rub marks in tight spots.
- Daytime sightings: can indicate a bigger local population or pressure on food and shelter.
First: Where Are They Actually Coming From?
This is the step people skip, and it's why garden rat problems drag on. Before you set anything, work out the source, because the three we see most often each behave differently:
- Compost: the single biggest draw in most gardens, and the sneakiest. People often have no idea rats are there until they go to turn the heap and disturb a nest, because a compost bin is food and shelter in one warm place. An open or loose-lidded bin is the classic culprit.
- Next door: rats don't respect fences, and this is the source that causes the most frustration. When the rats are coming from a neighbour's compost, feeders or clutter, proofing your own side simply doesn't work – and repeatedly trying and failing to seal your boundary is what turns a rat problem into a neighbour problem. A calm, joined-up approach with the people next door gets far better results than going it alone.
- Drains and sewers: the source people least expect, and the one behind most stubborn cases – industry estimates put roughly 70–80% of rat activity in and around properties down to defective drains. The tell-tale sign for a homeowner is a rat hole that keeps reopening in the same spot however often you fill it (that's a rat commuting to a drain defect just below the surface), activity clustered around a manhole or inspection cover, or a gully that smells even after you've cleaned it. If that sounds familiar, no amount of surface baiting will fix it – the route needs closing, which usually means a drainage inspection.
Bird feeders and pet food matter too, but they're rarely the whole story – so don't stop at the feeder and assume you're done.
One more honest word: give it time. Where a light problem can be sorted in a few days, one with an established source – especially compost or drains – can take a good deal longer, and the commonest reason people fail is quitting after a week when they were most of the way there.
1. Secure Food Sources
Rats love going through your food supplies. Check that pet food is stored out of reach and that the compost bin is always locked up tight.
Bird houses and feeding stations can be prime real estate for rats, so secure these so only beaked buddies can move in.
2. Secure Rubbish and Waste
Ensure your rubbish bins are secure and cannot be accessed easily. Any lids should fit snugly so rats can't sneak in for a snack.
Don't let rubbish linger. Frequent removal cuts off the food supply that attracts rats, so take your bins out before rubbish collection.
3. Perform Regular Garden Maintenance
Keep your outdoor space neat and tidy to stop rats settling in. Regularly trim bushes, mow the lawn, and clear clutter to create a less inviting place for rats.
Simple upkeep makes a real difference. Remove anything that could become a hideout or nest, including woodpiles, compost heaps and building rubble.
4. Repair Fences and Boundaries
Patching holes in your garden fencing helps keep rats out. Ensure the base is buried deep to prevent burrowing, and fix any gaps with sturdy wire mesh.
A solid barrier discourages rats from turning your green space into their playground.
5. Install Garden Mesh or Gravel Borders
Consider setting up rodent proofing products such as a mesh barrier or gravel bed around your plant beds to create an obstacle.
Rats find it bothersome to chew or dig through these materials. Adding this defensive ring makes your green space much less inviting, and helps keep your plants and vegetables safe.
6. Use Natural Rat Repellents
To help keep rats away naturally, consider planting herbs like mint, lavender and garlic around the perimeter. These strong-smelling plants can help deter rodents.
Deterrents work best as a supporting layer – they won't remove rats if there's still food, water and shelter available. You can also soak cotton balls in peppermint oil and place them near rat-prone areas, refreshing them regularly as the scent fades.
7. Set Up Rat Traps
Trapping is the mainstay of DIY rat control outdoors. Position rat traps where you've seen droppings, gnaw marks or runs, and give cautious rats a few days to get used to a trap before you set it (rats are wary of new objects, so pre-baiting lifts your success rate).
We recommend using rat bait stations to protect snap traps from the weather and from non-target species, including pets and children. Check traps regularly, remove any catch promptly, and reset as needed.
A Note on Rat Poison in the Garden
It's tempting to reach straight for poison, and it's the mistake we see most – but outdoors it's both restricted and risky.
⚠️ The law changed in 2025
Since 1 January 2025, second-generation anticoagulant rodenticides (SGARs) can no longer be used in open areas such as gardens, allotments and other open spaces – only in and around buildings, where the product label allows. Baiting an open garden or a burrow out in the open is no longer permitted.
Poison is also the method most likely to harm wildlife and pets. Rats that take bait are eaten by owls, foxes, cats and dogs (secondary poisoning) – which is worth remembering given that encouraging birds of prey, further down, is one of your best natural allies. If bait is ever used where the label permits, it must be in a tamper-resistant station, checked regularly, with any dead rats removed promptly and disposed of safely.
For most garden rat problems, focus on removing the food and cover, and trapping. Read our full guide on when and when not to use rodenticides before considering bait.
8. Use Ultrasonic Devices as a Supporting Layer
Ultrasonic devices emit high-frequency sound intended to disturb rodents. The evidence that they clear rats on their own is weak, and rats can habituate to them, so treat them at most as a non-toxic add-on. For active rats, focus on food removal, habitat reduction, trapping, then proofing.
9. Secure Water Sources
Remove standing water, including near taps and drains. Rats are drawn to water, and any standing water is an open invitation.
Regularly check and fix leaky taps, clear clogged drains, and eliminate unnecessary pools of water in your garden.
10. Protect Compost Bins
Compost is one of the commonest sources of garden rats, so this one is worth getting right. Invest in a sturdy metal or robust plastic bin with a tight-fitting lid. Elevate it to make access harder, and secure the lid.
Exclude meat, fish and dairy, opting for vegetable scraps instead, and turn the compost regularly to disrupt tunnels and deter nesting.
11. Hold Regular Inspections
Regular inspections are crucial for early detection, letting you spot droppings, gnaw marks and burrows before numbers build. This proactive approach helps you act swiftly.
Community effort helps too: because garden rats often come from next door, encouraging neighbours to tackle the problem together is frequently more effective than working alone.
12. Encourage Natural Predators
Encouraging natural predators can support your overall approach – birds of prey, for example, hunt rodents. If it suits your location, a high perch or a nesting box (for owls or kestrels) can make hunting easier. This is also a good reason to avoid poison, which kills the very predators you're trying to attract.
In practice, the most reliable results still come from removing food, reducing cover, trapping, and proofing.
13. Seal Entry Points to Sheds, Greenhouses and Decking
Seal entry points in structures such as sheds, greenhouses and decking. Regularly inspect for holes, gaps and cracks, paying attention to doors, windows, vents and utility openings.
Use sturdy materials like wire mesh to seal openings and cover gaps around pipes and cables. Rats need a bigger gap than mice – a round hole of roughly 25mm (about a 10p coin), though they'll push under a horizontal gap of around 12mm and gnaw weak spots wider. Fit weather stripping or door sweeps to close gaps under doors.
14. Consider Professional Help
Know when to enlist professional help, particularly for severe or persistent infestations that continue despite your efforts, or where you suspect drains are involved.
Structural damage like chewed wires warrants expert evaluation, as does unusual behaviour such as aggression or daytime activity.
15. Educate Yourself on Rat Behaviour
Understanding rat behaviour helps you manage a problem. Rats are nocturnal, avid chewers and opportunistic feeders, so watch for the signs. They also breed rapidly, which is exactly why early intervention matters.
FAQs: Rats in the Garden
Should I worry if I see one rat?
Not necessarily, but don't ignore it. Look for repeated signs (burrows, droppings, runs) before assuming an infestation – though because rats breed quickly, it's worth acting early rather than hoping.
Where do garden rats usually come from?
Most often compost, a neighbour's garden, or drains and sewers, rather than bird feeders alone. A big one people miss is compost – many don't realise rats are there until they disturb a nest turning the heap. If activity keeps returning with no obvious food source, suspect drains: industry estimates link 70-80% of rat problems in and around properties to defective drains, and the classic sign is a hole that keeps reopening in the same spot. If it's coming from next door, you'll struggle to proof it alone, so tackle it together.
Can I put rat poison down in my garden?
Generally no. Since January 2025, second-generation anticoagulant rodenticides can't be used in open areas like gardens – only in and around buildings, where the label permits. Poison also risks harming pets and wildlife, so trapping and removing food and cover are the safer, more effective route outdoors.
How long does it take to reduce rats?
A light problem can be sorted in a few days; one with an established source like compost or drains can take considerably longer. The single biggest lever is cutting off the food and shelter, and the commonest mistake is giving up after a week when you were nearly there.
When should I call a professional?
If activity is persistent, you're seeing daytime rats, you suspect a drain problem, or there's property risk such as chewed wiring.
Final Thoughts
Getting rid of garden rats comes down to a comprehensive approach: find the real source (usually compost, a neighbour, or drains), remove food and cover, trap safely, and proof your sheds and boundaries. Skip the two common mistakes – reaching for poison too soon, and fixing the feeder while ignoring the compost or the drain – and a rat-free garden is an achievable goal.
We go to great lengths to ensure that all our DIY rat control products are effective, fast & easy-to-use. You may also find our expert guide useful if you want to learn more about getting rid of rats from your home or workplace.
