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Home  /  Structural Repairs • Timber Treatment • Woodworm  /  Woodworm in Furniture: Identifying, Treating & Preventing Infestations Spreading to Your Home
Woodworm holes in an old piece of furniture
07 May 2025

Woodworm in Furniture: Identifying, Treating & Preventing Infestations Spreading to Your Home

Written by Nicholas Donnithorne
Structural Repairs, Timber Treatment, Woodworm frass, woodworm, woodworm in furniture Comments are off

Discovering small holes and a fine, powdery dust (known as frass) on your cherished wooden furniture can be alarming. These are classic signs of woodworm, a common term for the larvae of various wood-boring beetles. While an infestation in a piece of furniture might seem isolated, it’s crucial to understand the implications, not only for your possessions but potentially for the structural timbers of your property.

At Wise Property Care, we are specialists in diagnosing and treating all types of timber infestations, whether in standalone items or integral to your home’s structure. Understanding woodworm in furniture is the first step towards protecting your property from more widespread damage.

What is Woodworm and Why is it a Concern?

Woodworm isn’t a single species but refers to the larval stage of several different beetles that bore into timber. It’s the larvae, hidden within the wood, that cause significant damage over years, creating intricate tunnel networks as they feed. When they mature, adult beetles emerge, leaving behind the characteristic exit holes you see.

The primary concern with woodworm infestation is not just the aesthetic damage to furniture, but the potential for these pests to migrate. If an infested piece of furniture is kept in proximity to untreated timber floors, joists, or roof timbers, the adult beetles can lay their eggs in these new areas, leading to a widespread timber infestation that can compromise the structural integrity of your home over time.

Common Types of Woodworm Affecting Furniture (and Property)

While many species exist, a few are particularly prevalent in the UK and can affect both furniture and structural timbers:

  • Common Furniture Beetle (Anobium punctatum): The most widespread woodworm species. It affects softwoods and hardwoods, often found in furniture, floorboards, roof timbers, and joinery. Its exit holes are typically 1-2mm.
  • Death Watch Beetle (Xestobium rufovillosum): Primarily attacks hardwoods, especially oak and elm, often found in older, damp properties. Its characteristic “ticking” sound (a mating call) gives it its name. Exit holes are larger, 3mm and above. This species is more likely to cause significant structural damage.
woodboring beetle family Anobiidae on wood closeup

Identifying Woodworm in Your Furniture

Look out for these tell-tale signs:

  1. Exit Holes: Small, round or oval holes (1-10mm in diameter) on the surface of the wood.
  2. Frass (Wood Dust): Fine, gritty or powdery dust found on or below the exit holes, indicating active boring. This resembles fine sawdust.
  3. Weakened or Crumbly Wood: The edges of furniture or floorboards may appear crumbly or soft, indicating extensive tunnelling beneath the surface.
  4. Tunnels (Galleries): Visible tunnels within the wood if a piece is broken or cut.
  5. Adult Beetles: Small, brown or black beetles emerging from the wood, typically between April and September.

What to Do if You Suspect Woodworm

If you find signs of woodworm in your furniture, the first step is to assess the extent of the problem and whether it has spread.

  • Isolate the Furniture: If possible, move the infested item away from other wooden objects or structural timbers to prevent potential spread.
  • Avoid DIY Solutions for Structural Concerns: While some DIY products exist for furniture, they are rarely effective for significant or widespread timber infestations and certainly not for structural timbers. Professional woodworm treatment requires specialist knowledge and chemicals.
  • Consider the Risk to Your Property: If the furniture has been in close proximity to your home’s floorboards, joists, or roof timbers, there’s a real risk of the woodworm spreading.
woodworm larvae closeup

The Wise Property Care Approach to Woodworm Treatment

For effective and lasting woodworm eradication, especially when there’s a risk to your property’s structure, professional intervention is essential.

At Wise Property Care, our expert surveyors conduct thorough woodworm surveys and timber surveys to:

  1. Identify the Species: Crucial for determining the most effective timber treatment.
  2. Assess the Extent of the Infestation: Pinpoint all affected areas, both in furniture and structural timbers.
  3. Determine the Damage: Evaluate if the timber defects have compromised structural integrity, potentially requiring timber repairs or replacement.
  4. Implement Targeted Treatment: We use advanced, industry-approved woodworm treatment solutions that are safe and highly effective, ensuring the larvae are eradicated and future infestations prevented. This can involve timber-specific insecticides applied by spray or injection.

Don’t let a small problem in a piece of furniture become a major issue for your home. Early diagnosis and professional woodworm treatment are key to preserving your wooden assets and the structural integrity of your property. If you suspect woodworm in your furniture or within your property, contact Wise Property Care today. Our experienced team is ready to conduct a

Nicholas Donnithorne

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