Wasp Nest in a Cavity Wall – How Professionals Treat Hidden Nests in Downham

One busy hole in a wall does not always mean one colony, and checking the rest of the property early saves a second visit later in the season.

One hole, or more than one nest

Most properties with a wasp problem have a single nest. Occasionally there are two, and sometimes three. A queen only builds one nest, but several queens can choose different gaps on the same building, particularly where there are many suitable openings.

That is why it is worth looking beyond the obvious entrance. If wasps are clearly using one gap, check the whole building on a warm, bright day for a second line of traffic.

Looking for a second nest is not pessimism; it is simply good housekeeping. Finding it now, while the colony is small or the weather is mild, is much easier than finding it when the whole building is surrounded by wasps.

How to survey safely

A methodical walk round the outside takes only a few minutes.

• Start at the entrance you know about and note its position.
• Walk slowly round every side of the building, staying well back from any activity.
• Look at air bricks, soffit edges, joins between roofs and walls and gaps around pipes.
• Count the number of separate flight paths, not individual wasps.
• Repeat on another day if the weather was dull, since cool conditions hide activity.

Two flight paths that are well apart are more likely to be two nests than one. Two openings close together might serve a single nest.

Choose a warm, bright spell for this, ideally mid-morning, when wasps are flying. Dull or cool days can make an active entrance look deserted.

Outbuildings count too

Your property includes the garage, the shed, the summerhouse and any extension. A cavity or void in any of them can hold a nest. Mention each building when you call.

The charge for an additional nest on the same property is £35 per extra nest, compared with £90 for the first. That is the same fixed price whether the second nest turns up on the same day or is found during the visit. It is much better to deal with them together than to find the second in August.

What the technician will check

The technician will treat the nest you have reported through its entry point, and while they are there they can look at other likely spots with you. If a second nest is found, it is treated in the same way.

Same-day service is offered, and the business is open seven days a week. Same-day service is offered and the lines are open seven days a week. The technician covers Downham and neighbouring villages, and one visit is guaranteed.

If a household member has a sting allergy, say so when booking so it can be prioritised.

A systematic approach also helps you describe the situation clearly. Instead of saying that wasps are everywhere, you can say that there are two flight lines, one above the back door and one at the side of the garage, each with steady traffic. That gives the booking team a far better idea of what to expect.

Where you cannot be sure, do not guess. Say that you have seen activity in two places and are not certain whether it is one nest or two. The technician will check on arrival and let you know what they find. If there turns out to be only one, you pay only for one; if there are two, the second is £35 per extra nest.

Whichever it is, resist the urge to deal with the smaller entrance yourself. Both should be left alone until treatment.

Preventing a repeat

When all the activity has stopped, go round and seal every opening that was used. Fine mesh on vents, new mortar in joints and sealant around pipes all help.

Ask the technician whether the empty nests can be taken down. Then make a note in your diary to check the same spots in April, when queens start to look for somewhere to build. A little attention each spring is the best way to avoid ever needing more than one visit.

Call 01245 327274, or fill in the booking form on the contact page.

Write the dates of treatment and sealing on a calendar, along with the places concerned. When April comes round, the note reminds you to look at each spot again. It is a small habit, but it is exactly what keeps a household from needing a repeat visit in the following season.

Why a second nest happens

It helps to understand why two nests can appear close together, because it removes the sense that something unusual is going on.

In spring, queens search independently. Each one looks for a dry, sheltered gap. If a building has several suitable openings, such as a vent, a cracked joint and a gap at the eaves, more than one queen can choose one. They do not cooperate, and each starts her own nest.

Not all of these nests survive. Some fail early, but the ones that do carry on grow through summer to their peak in August. By then there may be two separate flight paths on the same house.

Sometimes a second nest is found in the garden, in a bush, a shed or a hole in the ground. That counts as an additional nest on the same property, at the same £35 per extra nest.

For the householder, the practical lesson is to check thoroughly and tell the booking team everything you have found. If you are not sure, say so. The technician will use judgement on site, and the aim is to deal with all active nests while there.

After treatment, sealing every unused opening is the best way to reduce the chance that two queens pick the same building next year.

Frequently asked questions

More wasp advice for Downham