January 2, 2026

If you’ve been hearing strange fluttering or scratching sounds coming from your chimney, or found twigs mysteriously appearing in your fireplace, you may have some feathered tenants. Birds nesting in chimneys is a common issue, especially in and around Bury St Edmunds where we have plenty of birdlife and charming old chimneys that look like perfect condos to our avian friends. While it might seem quaint to have a little “chimney sweep” bird up there, the reality is that bird nests in your chimney pose serious problems – from blocking dangerous fumes to causing chimney fires. Removing a bird nest, however, is not as simple as poking it with a stick. There are legal protections for birds, and safety measures to consider. In this guide, we’ll explain how to handle a bird nest in your chimney safely and responsibly, with prevention tips to stop it from happening again. We’ll focus on local context for Bury St Edmunds and Suffolk residents: the types of birds likely involved, timing of nesting seasons, and who to call for help. Let’s ensure your chimney stays clear and the birds stay safe (just not living in your flue)!
From a bird’s perspective, an unused chimney can seem like a perfect nesting site. It’s tall, sheltered from the elements, and predator-safe (most cats or foxes aren’t scaling your chimney!). In Suffolk, Jackdaws are notorious for setting up nests in chimneys. These clever crows often live in urban and rural areas and love chimneys as nesting spots – they’ll drop sticks down to create a base and build a huge nest. Other birds that might nest in chimneys include starlings, house martins, swifts, and occasionally owls. In Bury St Edmunds and surrounding areas, Jackdaws are the most frequent culprits by far, and they often return to the same chimney year after year if not deterred. Swifts also use chimneys for roosting/nesting if they can access them, though their numbers are declining.
These birds aren’t trying to cause trouble; to them, your chimney is just another hollow tree or cliff face. Jackdaws, for example, will keep dropping sticks down a chimney until they lodge and form a platform, then build from there. Some homeowners only realize a nest is present when dozens of sticks tumble down into the fireplace or a bad smell appears (from droppings or sadly a dead chick). A typical Jackdaw nest can be enormous – filling several feet of chimney with twigs, leaves, and wool. House martins and swifts, on the other hand, might use the top of a chimney stack or between chimney pots to tuck their nests. Starlings favor cavities and could nest in chimney voids too.
While it can be momentarily amusing to see birds flying in and out of your chimney pot, it quickly becomes a nuisance and hazard. The noise (chirping young, scrabbling), debris falling, and even parasites (bird mites can sometimes migrate down) will affect your home. And that’s not to mention the two biggest issues: blockage of smoke/ventilation and fire risk. In short, you really don’t want an active bird nest in your chimney – but dealing with it has to be done properly.
A bird nest in your chimney can create multiple serious risks for your home and family:
In summary, a bird nest is not a harmless guest – it’s a ticking time bomb of multiple issues. That’s why we chimney sweeps take nest incidents very seriously. We’ve seen cases where a homeowner didn’t know about a nest, lit a fire in autumn and got a face full of smoke (lucky outcome), and others where an ignored nest led to a chimney fire. It’s something to address promptly and correctly.
Before you climb up to yank that nest out, you need to know the legal side. In the UK, almost all wild birds, their nests, and eggs are protected by law under the Wildlife and Countryside Act 1981. This means it is illegal to damage, destroy, or remove an active bird’s nest. “Active” means the birds are building it, or there are eggs or chicks present. If birds are in residence (usually spring through summer for nesting season), you generally cannot lawfully interfere. Breaking this law can result in hefty fines or even imprisonment – it’s that serious. There are only a few exceptions (for certain pest species, or if you obtain a specific license due to extreme circumstances, like a nest causing a major public health risk).
For chimney nests, this means timing is critical. You must wait until the nesting season is over and you’re certain the birds have left and the nest is abandoned. The main nesting season is typically March 1st to August 31st for most bird species in the UK. Jackdaws usually nest in spring and by July their young are fledged. Swifts and martins are also summer breeders. So the safe window to remove nests is generally autumn and winter – roughly September through February. This aligns well because you’ll want the chimney clear for winter use.
If you suspect a nest in April or May, the best course is to do nothing that disturbs it until late summer. Do not light fires to smoke them out – aside from safety, deliberately smoking out a nest could be seen as an illegal disturbance (and can kill the birds). Let nature take its course: the birds will raise their young and leave. Meanwhile, avoid using that chimney (find alternative heating if needed for that period). Yes, it’s inconvenient, but it’s the law and it’s also the ethical choice – baby birds will be gone in a few weeks typically.
In rare cases, if a nest is causing immediate danger (like blocking an essential chimney vent for a gas boiler causing CO risk), there might be grounds for a special license to remove it during season, but that’s something authorities handle sparingly. For most home scenarios, waiting it out is the advised route.
Once you are outside the nesting season and have verified no birds are currently using the nest, you can proceed with removal (ideally by a professional). Make sure it’s completely inactive: watch the chimney for a couple days to see if any birds come and go. Don’t remove nests with eggs or chicks – again, illegal and not humane.
When the time comes to remove that bird nest, it’s highly recommended to hire a professional chimney sweep or chimney specialist to do the job. Bird nest removal is often a tough and messy task that requires proper tools and sometimes working at height. Here’s what typically happens:
A chimney sweep will use special rods and brushes or nest removal tools to tackle the nest from below (fireplace opening) or above (roof). These nests can be stubborn – Jackdaw nests especially can contain a great mass of interlocked sticks. We often have to break it apart bit by bit. There’s even a tool known as a “nest scraper” or a heavy-duty corvid nest brush attachment specifically for this job. As we pull debris down, we’ll remove it in stages. Protective sheets and industrial vacuum help contain the mess (it’s not a clean job; expect a LOT of twigs and soot).
It can take quite some time to fully clear a large nest. We make sure to get every last bit, because even a partial remaining blockage is no good. Safety gear is important – gloves (there can be sharp sticks, or even bird mites), goggles and mask (old nests have dust, fungi, bird droppings – you don’t want that in your lungs). This is another reason to leave it to pros who come prepared.
Sometimes nests can be accessed from the top by removing the chimney pot or cowl. This might be necessary if the nest is really wedged or if multiple years of nests have built up. In severe cases, a small CCTV camera is used to inspect and ensure clearance. Professionals will also be aware if the species was a protected one like swifts – although you still remove the old nest once empty, swifts for instance return to the same site, so you might consider accommodating them with a swift brick elsewhere, etc. But that’s a tangent; main thing is clearing the chimney so it’s safe again.
One crucial aspect: document the removal and reason. As per best practice, property owners should note that the nest was abandoned and removal took place outside nesting season (e.g. “Removed Jackdaw nest on 15th Sept, after chicks fledged”). Professionals do this routinely. This way if anyone ever questioned it, you have a clear conscience and record that you complied with the Wildlife Act.
Another benefit of using a sweep for nest removal is they will immediately do a full chimney sweep and inspection after the nest is out. Your chimney will get a thorough cleaning, removing any soot that the nest may have accumulated or any blockages. You essentially get it back to a usable state with one visit. They can also check for any chimney damage that the nest or birds might have caused – for instance, dislodged mortar or a cracked pot.
So, while you might be tempted to DIY a nest removal by poking from below (some people try attaching a spike to a rod), it’s not advisable unless you really know what you’re doing. You could injure yourself, or get a bunch of debris stuck worse, or even breach the flue lining by force. Given the risks, call an expert. Look for services that specifically mention bird nest removal in chimneys – The Good Sweep and others in the Bury St Edmunds area have plenty of experience with this common issue.
Remember: “bird nest chimney removal near me” is a phrase many panicked homeowners search when they realize they have a blockage. If you find yourself in that boat, just know local help is available. Professionals will remove the nest safely, legally, and effectively.
Once you’ve evicted the feathered squatters (humanely and legally), the next step is prevention. You don’t want this cycle repeating each spring. The tried-and-true solution is to fit a proper chimney cap or bird guard. There are various designs:
Having a professional install a bird guard is often part of the nest removal service if done in autumn. It’s wise to do it right away – once the nest is gone and chimney is clean, put a guard up before next spring arrives. This way, when Jackdaw comes back from winter foraging expecting to find its old home, it’ll find the door closed and move on. It might poke around, but a proper guard will deny entry.
Another preventive measure: anti-perching spikes on the chimney crown can discourage birds from roosting up there If they can’t comfortably sit on the rim, they might not linger to nest. These spikes don’t harm birds; they just make landing awkward.
Also, if you have multiple flues and only one is in use, cap the disused ones completely with ventilated caps – no point leaving extra holes open.
Keep in mind maintenance: whatever guard you install, have it checked and cleaned periodically. A guard can accumulate soot or even remnants of the birds trying to nest on top of it. Each time your chimney is swept, the sweep will usually inspect the cowl/guard (another reason to continue regular sweeping).
Lastly, a bit of environmental consideration: If you evict birds, maybe consider alternative nesting sites in your property to be bird-friendly. For instance, putting up a Jackdaw nest box or owl box on a tree might lure them away from the chimney next year. Swift boxes for swifts if they were the species using your chimney. This way you can still enjoy the presence of birds without them clogging your flue. It’s not guaranteed they’ll choose the provided box, but providing options can help. It’s a win-win: you protect your home and still support local wildlife in a controlled way.
It helps to know the signs that birds are nesting in your chimney, so you can take action (or at least be aware) as early as possible. Here are common indicators:
If you catch the signs in spring while nesting is just starting, you face the dilemma: legally, you should let them be until they’re done. But at least you can prepare – refrain from using the fireplace and plan for removal once allowed. If it’s early enough (before eggs), sometimes a professional can dissuade them – e.g., by putting a temporary barrier or just clearing initial twigs before the nest is truly active. But timing is key; once they lay eggs, you have to wait.
Educate your family about these signs too – kids might hear chirping in the chimney and think it’s fun (which it is, but also an issue). Early detection means you won’t accidentally light a fire with a nest inside and you can schedule a chimney sweep for the first available date post-nesting.
Birds nesting in your chimney can be an unexpected headache for homeowners in Bury St Edmunds and Suffolk, but with the right approach you can manage it safely. The main takeaways are: never remove or disturb an active nest due to strict legal protections – wait until the birds have left. Once it’s safe, enlist a professional to thoroughly clear the nest and sweep the chimney. After that, invest in a good chimney cowl or bird guard to keep future feathered visitors out. This will save you and the birds a lot of trouble down the line.
Preventive measures, like chimney caps and occasional checks, truly pay off here. It’s much easier to stop a nest from ever forming than to deal with a big established nest in mid-June when you’re powerless to act. So if you’ve moved into a new home or just had a nest removed, make chimney bird-proofing part of your home maintenance.
Also, always remain conscious of the signs of a blocked chimney – if you have any suspicion (sounds or poor draft), be cautious about using any fires or appliances and get a professional assessment. It’s better to miss a few cozy fires in spring than to fill your house with smoke or risk CO due to a nest.
A quick shout-out to our local bird life: we can appreciate these creatures while still keeping them out of our chimneys. Suffolk has wonderful wildlife, including those cheeky Jackdaws and screaming Swifts. By timing our chimney care with their life cycle, we can coexist peacefully. Many chimney sweeps, including us at The Good Sweep, are wildlife-aware and will handle nest situations with care and compliance to the law.
In summary, bird nests in your chimney are a challenge you can solve with patience, professional help, and proper prevention. If you’re experiencing this, know that you’re not alone – it’s a common call we receive (“Help, I need bird nest chimney removal near me as soon as possible!”). Rest assured, we’ll safely clear that nest when the time is right and set you up so it hopefully doesn’t recur. Your home will be bird-free (at least in the chimney) and you can enjoy your fireplace without unwelcome blockages or fluttering friends.
Keep an ear out for those telltale chirps, and should a bird stake claim to your flue, you now know what to do. Here’s to a clear chimney and happy, smoke-free birdwatching from a distance!