Can You Remove a Wasp Nest Yourself? Advice for Enderby Homeowners
Nests hidden inside chimneys, cavity walls and air bricks cannot be seen, measured or safely reached, which is why they are among the least suitable for any home attempt.
When you can hear the nest but not see it
Some nests announce themselves with a hanging paper globe. Others are completely out of sight. You see wasps entering a tiny gap in the brickwork, a chimney pot or beside an air brick, and that is all. Inside the wall or chimney stack, the colony may be larger than you imagine.
For homeowners in Enderby, in Leicestershire, this kind of hidden nest is often the hardest to judge. Without being able to see it, people tend to underestimate it, and that is when the idea of just blocking the hole or poking something in starts to seem reasonable. We would urge you not to.
Why you cannot judge a hidden nest
With a nest you cannot see, almost every important detail is guesswork. You do not know how big it is, how deep it runs, how many entrances there are, or what lies between the nest and your living room. A cavity wall, a chimney breast or a void behind a fireplace can run for metres.
Some signs help you work out roughly what is happening, though none should lead you to interfere:
- A constant line of wasps at one gap, often more at midday.
- A rustling or humming sound in a wall or chimney breast, stronger on warm days.
- Wasps appearing at a fireplace, around a ceiling rose or by a skirting board.
- Brown staining on a wall or ceiling near where wasps are active.
If you have any of these, a nest may be close to your living area.
One more clue is the time of year. Nests in cavities often go unnoticed in May and June, when the colony is small and the traffic light. By late July and August the same nest has grown and the number of wasps in and out can rise sharply, so a gap you had barely noticed becomes impossible to ignore.
What makes chimneys and cavities particularly risky
Chimneys are narrow vertical spaces that connect directly to rooms inside. If wasps are disturbed in the stack, the easiest way out may be down the flue and into the room. People have been surprised to find a fireplace suddenly alive with wasps after a clumsy attempt from the roof.
Cavity walls work similarly. Nothing but a gap in the mortar or an air brick separates the nest from the inside, and mistreatment of the entrance can send the colony searching along the cavity for new routes. A hole pushed through plasterboard from inside, to see what is there, would be even worse, since it creates the exit yourself.
Access is also a problem. Chimney pots are high up, and reaching them means roofs, ladders and ledges, which combine the usual fall risks with an angry colony.
There is also the matter of old buildings and loose brickwork. Chimney stacks and cavity walls vary a great deal, and you cannot tell from the outside how sound the structure is. Putting weight on a roof edge or reaching into a crumbling gap is a risk to the building as well as to you.
Things not to do
- Do not block the entrance with filler, a cloth or tape. Wasps will look for another way out, and the alternatives are often indoors.
- Do not poke wires, sticks or hoses into the hole.
- Do not light a fire in a chimney to smoke them out. It is dangerous for your home and for you.
- Do not drill or cut into a wall or ceiling to find the nest.
- Do not climb on the roof to look into the pot.
All of these shift the problem rather than solving it, and some create new hazards such as fire damage or structural harm.
If you have a fireplace that is in use, avoid lighting it until the nest has been dealt with, and keep the damper or any covering in place.
What you can do safely
Watch from a distance to identify where wasps enter. Note the position and height, and whether the entrance is near a chimney pot, a ridge or a vent. Keep rooms near the nest well ventilated away from people, and keep the doors to them shut. If wasps are appearing indoors, a single wasp can be let out of a window, but do not try to find the source inside the wall.
Hold off on any building work or repairs near the area until the nest has been treated. And as with any nest, keep children and pets away, avoid noisy tools nearby and cover food outdoors.
If anyone is stung, wash the area, remove the sting if you can see it and use a cold pack. If there is swelling of the face, lips or throat, difficulty breathing, wheezing, dizziness or a widespread rash, that is a 999 call.
If wasps do appear in a room, shut the door and keep it shut. A sheet of paper or card laid along the bottom of the door can help stop individuals creeping through the gap, and it costs nothing.
Getting a technician to the job
A trained, fully insured technician is the right person for hidden nests. A hidden nest costs the same as any other: £95 per nest, with £35 for each extra nest on the same property, and no call-out charge. We are open seven days a week and offer same-day service for homes and for commercial premises.
The number to ring is 0116 214 9259, and the booking form on the contact page does the same job. The price is confirmed over the phone before the visit and nothing goes ahead without your agreement. Tell us if anyone in the household is allergic to wasp stings, and describe where you see the wasps going in and whether you have noticed any inside. Ask the technician afterwards whether the empty nest can be taken down.
Wasps on your property in Enderby?
Fixed price £95 per nest, no call-out charge, same-day service available.