Timber Preservation Experts York

There are many different types of woodworm and they all cause damage to any timber they choose to live in. Woodworm larvae bore holes in the wood in search of food; cellulose.Once adults, they create tunnels through the wood to find an exit, leaving small identifiable holes in the wood. Over time, the many tunnels and chambers created by the woodworm larvae leave the wood weak and damaged.


The first step to treatment is to fully establish the extent of the infestation. Our surveyor will be able to identify this. Once the extent of the infestation is known an appropriate woodworm treatment can be recommended.

Danford Brewer & Ives will first determine the species of woodworm causing the damage as different circumstances need different treatments. Depending on what they find, Danford Brewer & Ives can treat the woodworm with either a chemical spray, injection or surface paste.

For infestations that are not severe, normally only the surfaces of the timbers need to be treated to kill any emerging woodworm beetles and prevent them from mating and laying more eggs. This will protect the timber from further infestation by wood boring insects.

How to identify woodworm

The beetles that cause woodworm, and their larvae, are difficult to see. Therefore, identifying an active woodworm infestation means looking for the right signs.

Tell tale signs to identify woodworm include:

  • Small round holes in your woodwork, similar to the holes in a dart board.
  • Fine, powdery dust around these holes (this is known as frass).
  • Crumbly edges to boards and joists.
  • Adult beetles emerging from the holes or present around the house.
  • You may find frass at the back of or underneath furniture without seeing any visible holes.
  • Weak and damaged floorboards may indicate presence of active woodworm infestation.
If you think your house may have woodworm infestation and would like to get it treated, please call Danford Brewer & Ives on 01904 565 505 for a qualified survey.




Complete the enquiry form below or call us directly to discuss your damp or timber problem. On this call, we will arrange to visit you and survey your property. There is a small fee for the site survey, which will be confirmed on the call. If you proceed with the full works, this fee is refundable against any further works carried out.



One of our qualified team will visit your property at an agreed time and date. We will assess the problem and determine the best solution. Once we understand the root cause of the problem we can creat a suitable plan to fix it. Following the site survey we will provide you with a written report and quotation.



Once you are happy for the works to proceed we will then arrange a convenient time and date with you to carry out the specialist works as per the quotation. Most specialist works are usually completed within a couple of days and involve minimal disruption. Our team will keep you fully up to date on the works progress during this time.

after care


In order for the guarantee to be activated all of the specialist works need to be signed off. A comprehensive checklist will be completed and signed off by both our team & yourself to make sure you are fully satisfied with the works. Following the sign off, where appropriate, the works can be fully guaranteed.

Woodworm Treatments

Woodworm treatments will depend on correctly establishing the cause and the extent of the damage from infestation. For less severe damage to furniture and smaller items, treatment can be with a special insecticide-based spray applied to the affected areas.

Surface damage to timber can be treated with a spray or paste. They will kill any emerging beetles, preventing them mating or laying more eggs. Deeper, more widespread and serious timber damage can require a range of treatments best carried out safely and diligently by specialists. They might include chemical treatments or forms of fumigation. Some areas of wood may require partial removal and fill in with anti-woodworm gel or paste.

Woodworm Survey Process

The best way to find out if you have woodworm and the extent of the infestation is through a professional, detailed woodworm survey by a PCA approved surveyor.

The results will reveal the extent of the damage and the spread of infestation as well as the species of woodworm beetle involved. That is vital in determining the best course of action to rid the property of woodworm and prevent further infestation.

Our fully trained and qualified surveyors will inspect the property carefully, gathering evidence of where there are signs of woodworm activity and damage. They will investigate to confirm at what stage of its lifecycle the wood-boring insect is in. They will check if timber replacement is required and any incidental treatment required for the remaining infected areas.

A surveyor will identify the extent of repairs needed to repair the damage caused, and what treatments to apply to deal with infected timber.

The woodworm surveyor will also assess whether there are other types of property damage associated with the infestation, such as wood rot or damp. The detailed woodworm survey report will give you a clear picture of your property’s condition and the necessary treatments.


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What Does a Woodworm Look Like?

The actual woodworm, which is the larvae of a woodworm beetle, can be difficult to spot. Instead, it is easier to find the evidence it leaves behind.

Woodworm leave holes in timber, whether this is furniture or other wooden elements in a property. The larvae leave behind a fine, powdery residue known as frass.

Other visible evidence of woodworm infestation can be crumbling edges to wooden boards or joists and weakened floorboards or other timber. Sometimes you might see the adult beetles, either emerging out of their exit holes or elsewhere in your property.

The Common Furniture Woodworm beetle has a brown body and can grow to 4.5 mm in length.

How Effective is Woodworm Treatment?

To be effective woodworm treatment needs to treat the infestation that is the cause of the woodworm. If left untreated, woodworm can weaken timber in a property to the extent that the building’s structural integrity is at risk.

Because infestation is part of the lifecycle of wood-boring beetles, treatment concentrates on ending this lifecycle. It involves applying special insecticides and coatings to wooden surfaces that destroy the larvae of wood-boring beetles and prevent adults coming to the surface to mate.

This form of treatment is highly effective in preventing the spread of woodworm infestation. Depending on the degree of damage, some timber may then need replacing.

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