Why Are Wasps Flying Into Your Cross Green Home? Common Causes and Solutions
A single wasp in a shop or workshop can put off customers and staff, so this guide is written for people who run premises as well as those who live in them.
Wasps through the delivery door
A member of staff mentions that a wasp has been circling the counter for the past hour. By the afternoon, there are three, and one has landed on a customer's coffee. The shutter door at the back has been open for a delivery, the bin store is round the corner, and nobody can say where they began.
This is a common situation for anyone who runs premises. A unit, shop, office, cafe, workshop or storeroom has more doors, more deliveries and more waste than a typical house, and each of those is a possible route for wasps. The same causes apply at home, but the consequences differ: a wasp in a customer area is a reputation problem as well as a sting risk.
If you live or work in Cross Green, the practical steps below apply to both, with a few extra points for premises.
It also helps to decide who in the team notices and reports sightings. A wasp that is tolerated for a week by everyone, because nobody thought it was their job to mention it, is often the first sign of something that has been building for a while.
Where the wasps are probably coming from
Wasps come into a building for the same reasons wherever it is. Start with a short walk round outside before you decide anything:
- Is there a bin store, skip or recycling area near an entrance?
- Are there sticky drinks cans, bottles or takeaway packaging outside?
- Is a loading door, shutter or fire door propped open for long periods?
- Are there gaps in roof edges, cladding, vents or brickwork with wasps going in and out?
- Are there trees, bushes or planters near the entrance?
If the answer to the first three is yes, the likeliest explanation is food waste and open doors. If you see wasps tracking in and out of a gap in the structure, you probably have a nest.
Stopping the easy entries
Most of what helps is simple housekeeping, and it works for a household as well as a business.
- Keep waste in lidded bins and empty them often through the warm months.
- Rinse drinks containers before they go into recycling.
- Place bins away from entrances, or at least downwind of them.
- Use fly screens or strip curtains in doorways that must stay open.
- Cover food and drink in staff areas and clear tables promptly.
- Keep a closed lid on any sugary stock or ingredients.
A staff handbook note or a short sign by the back door that says to close it behind you is cheap and does more than most gadgets. Where deliveries come in through a shutter, ask drivers to close it once they have finished.
Think about staff break areas too. A kettle, a fridge with open drinks, a bin full of sandwich wrappers and a window left open on a warm day make a very good wasp attraction, and it is often the one room that nobody thinks of as a risk for customers. A lidded bin and a weekly clear-out solve most of it.
Is it a nest in the building?
Premises have lots of places a colony can settle unnoticed: roof voids, wall cavities, vents, eaves, and the gap above a suspended ceiling. Colonies are started from late April depending on the weather, and by August a nest can hold 2,000 to 10,000 wasps or more.
Look for wasps entering and leaving one place all day, wasps in several rooms, wasps coming out of ceiling tiles or light fittings, a steady buzzing from a wall, or grey papery material at a gap. Note the location and time, and take care to do this from a distance.
Do not seal a hole, and do not try to poke or knock down a nest. Wasps trapped in a cavity can push into the building, and a disturbed nest can send out a swarm that stings. Close off the area and keep staff, customers and children away from it until it has been dealt with.
A careful approach to the stings is worthwhile for any workplace. Make sure staff know to wash a sting, remove it if visible, and apply a cold pack, and to call 999 for swelling of the face, lips or throat, wheezing, difficulty breathing, dizziness or a widespread rash. People who know they are allergic should speak to their GP.
Practical points if you rent or share a building
Responsibility for a nest in a shared or rented building can depend on the tenancy agreement or lease, and on the arrangements with the landlord or managing agent. Please check the documents or ask them, rather than assuming, and check your insurance policy if you are unsure what it covers.
If the answer is that the landlord arranges it, tell them what you have seen and when. If it is for you to arrange, we can book a visit directly. Either way, written notes about where wasps are seen help. Staff are usually the first to notice, so ask them to report sightings and avoid disturbing anything.
How we handle the booking
We work with domestic and commercial customers. A wasp nest treatment is a fixed £90 per nest, and an extra nest at the same site is £35. There is no call-out charge, we work seven days a week, and same-day service is offered. We confirm the price on the phone before the technician attends and we do not start work until you have said yes.
To book, ring 0113 347 0014 or use the online form on the contact page. When you call, tell us the type of premises, where the wasps are entering, whether the area is open to the public, and if anyone who works there or visits is allergic to stings. Our technicians are trained and fully insured, and you can ask when booking whether the empty nest can be taken down.
Wasps on your property in Cross Green?
Fixed price £90 per nest, no call-out charge, same-day service available.