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Common in the UK, Cluster flies are a generally harmless fly but can be a real nuisance. Infestations of other fly species are typically caused by hygiene related issues in the home, these are best dealt with by tackling the root cause rather than through pest control.

Cluster flies are unique in that they migrate indoors to hibernate in the winter, escaping the cold. They are typically found in roof spaces, upper floors and out buildings, where they "cluster" together in large groups. Left uncontrolled, cluster flies can reproduce at an alarming rate, rapidly transforming into an infestation in a matter of days. 

Xpress Pest Control provide reliable fly infestation removals exclusively for cluster flies. Dealing with smaller outbreaks as early as possible helps to prevent the problem from escalating. Once a cluster has been established for at least 7 days we can apply the treatment, ensuring that it affects the entire population. 

Experiencing a cluster fly problem? Xpress pest controllers are here 24/7, with rapid-response call-outs and no hidden fees. Call our experts today!

How to Handle a Fly Infestation

Cluster flies do not lay their eggs on human food, nor are they a health threat to humans. But they can be a nuisance and will likely be considered the result of poor hygiene – this could be damaging to your reputation if you’re in an industry where food preparation is involved, for example. Our most common method to treat cluster flies is to "fog" the affected area with a water-based insecticide. After the insecticide has taken effect, we can safely remove the dead flies using a vacuum cleaner. Taking prompt action is vital. Before you search for a ‘fly exterminator near me’ contact Xpress Pest Control. We’re here 24 hours a day and can be with you between 30 and 90 minutes of your call, where possible. Implementing flies control early is crucial to preventing an infestation, so call Xpress today. While DIY solutions can work for small problems, they often fail when it comes to more serious infestations. This is where hiring a professional fly exterminator becomes important. We’ll have a fly exterminator near you, who will inspect your property, identify breeding sites, and deliver the right solution.

Make Xpress Pest Control Your Professional Fly Exterminator

If Cluster Flies are causing you or your premises an issue, then it’s time to seek the help of a professional. Choosing Xpress for any professional flies control gives you an effective solution and peace of mind. Xpress Pest Control is the go-to fly exterminator for homes and businesses up and down the country, delivering competitively priced, lasting solutions to keep your space fly-free. We’re here 24 hours a day, 7 days a week.

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Choosing Xpress Pest Control Services

Xpress Pest Control has qualified and experienced pest removal and treatment specialists near you. Call us 24/7, 7 days a week, for fast-response emergency pest control, or if you’ve found signs of a pest problem just want a professional you can trust. Call now or send us a message online:

  • 24/7 service – call us anytime. If your business reputation is at risk, we’ll be there.
  • Fast call out – if you need pest control solutions fast, we can be there 30-90 minutes* after your call.
  • Free quotes and no call out fees – get a free estimate over the phone; there’s no obligation. And no upfront payment if you decide to proceed.
  • Discreet and reliable - it’s why our pest control specialists are trusted by homes and businesses across the country.
  • No hidden fees – treatment and pricing is explained clearly by our team before we start
  • Fully qualified specialists – our pest controllers are qualified to a minimum RSPH Level 2 and are licensed to use professional grade pesticides you won’t find over the counter.
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FAQs

If you want some advice, our expert advisors are on hand 24/7* to help. They can talk through your problem and give you a free, no-obligation, estimate based on your specific situation. Or take a look at our frequently asked questions below and see how our professionals can help you.

Are cluster flies harmful?
Cluster flies are generally considered a nuisance rather than a significant health threat.

They do not behave like some other common flies associated with food waste and unhygienic conditions. However, large numbers inside a property can become unpleasant and difficult to manage.

They can be particularly problematic for businesses where visible fly activity may concern customers or visitors.
Why do cluster flies keep coming back every year?
A building that provides suitable overwintering conditions can attract cluster flies in successive years.

The flies can use small gaps around roofs, windows and other parts of the building to gain access. Once inside, they gather in sheltered spaces such as lofts and roof voids.

Previous infestations can therefore be followed by new cluster fly activity in later years.
How long does it take to get rid of cluster flies?
Most of our professional treatments begin to show results within 24-48 hours, but full extermination may take longer depending on the severity of the problem.
When are cluster flies most active?
Cluster flies commonly enter buildings during autumn as temperatures begin to fall. They then remain sheltered during colder periods.

You may notice activity again on warmer or sunny days when rising temperatures encourage the flies to become active.

This means a cluster fly problem can appear to disappear and then return without the flies necessarily having left the property.
Do cluster flies breed inside houses?
Cluster flies do not normally breed inside properties.

Their life cycle takes place outdoors, where the larvae develop as parasites of earthworms. Adult flies enter buildings primarily to find somewhere sheltered to overwinter.

A large number of flies indoors can therefore be an overwintering population rather than evidence that they are breeding inside your home.
Is fly control different for businesses compared to homes?
Yes, commercial fly control may involve more complex solutions, especially in food service or waste management industries. Our exterminators tailor each treatment to meet your specific business needs and any regulations.

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