Packing away summer clothing should protect it until next year—not give clothes moth larvae months of undisturbed access. In London homes, wardrobes, drawers and under-bed boxes often remain warm enough for textile pests to stay active even after outdoor temperatures fall.
The good news is that careful cleaning, inspection and sealed storage can reduce the risk considerably. The key is to deal with clothing and the storage space together, rather than placing apparently clean garments into a wardrobe that may already contain eggs or larvae.
Why stored clothes are vulnerable to moth damage
Adult clothes moths do not eat fabric. Damage is caused by their larvae, which feed on keratin found in animal-based fibres such as wool, cashmere, silk, fur and feathers. Blended fabrics can also be affected when they contain natural fibres or are soiled with perspiration, skin oils or food residue.
Storage creates exactly the conditions larvae favour: darkness, little disturbance and a dependable food source. A garment can look fine when it is put away, yet emerge months later with thinning fibres, irregular holes or damage around seams and folds.
How to store clothes to prevent moths: a practical checklist
1. Clean every garment before storage
Follow each care label and wash or professionally dry-clean items before packing them away. Pay particular attention to cuffs, collars and underarm areas. Even faint residues can make a garment more attractive to textile pests.
Allow everything to dry completely. Packing slightly damp clothing can create odours and mould, as well as making the storage environment less suitable for valuable fabrics.
2. Inspect natural-fibre items in good light
Check wool, cashmere, silk and other vulnerable pieces individually. Look along seams, hems, pockets, folds and beneath labels for:
- small irregular holes or localised thinning;
- fine silken webbing or tube-like cases;
- cream-coloured larvae or shed skins; and
- gritty debris caught in the fibres.
Do not put a suspect item into storage with unaffected clothing. Seal it in a bag until it can be cleaned or professionally assessed.
3. Empty and vacuum the wardrobe or drawer
Cleaning the garments alone is not enough if the surrounding space contains larvae or eggs. Remove loose items, then vacuum shelf joints, drawer runners, corners, carpet edges, skirting boards and the floor beneath the wardrobe. Move freestanding furniture where practical so that concealed areas can be reached.
Empty the vacuum outside straight away. Afterwards, wipe suitable hard surfaces and let the space dry fully before returning clothing.
4. Use clean, properly sealed containers
Choose sound plastic boxes with close-fitting lids or purpose-made sealed garment bags. Avoid loosely closed cardboard boxes, open baskets and thin bags with gaps, as these provide little protection from adult moths looking for somewhere to lay eggs.
Do not overfill containers. Neatly folded items are easier to inspect, and labels on the outside allow you to find what you need without opening every box.
5. Keep storage areas dry, clean and accessible
Avoid damp lofts, poorly ventilated cupboards and forgotten piles beneath beds. Store boxes where you can inspect them periodically, and keep the surrounding floor free of lint, hair and dust. In wardrobes that remain in regular use, occasional airing and movement make the space less undisturbed.
6. Use monitoring as an early-warning system
Pheromone traps can help reveal adult clothes moth activity and track changes over time. They are useful for detection, but they do not remove eggs or larvae and should not be treated as a cure. Our professional moth monitoring service can help identify active areas and determine whether further action is needed.
What not to rely on
Lavender sachets and cedar products may have a deterrent effect in some circumstances, but their scent does not eradicate an established infestation. Likewise, catching a few adult moths does not mean larvae hidden in clothing, carpets or furniture have been removed.
Avoid applying general insecticide sprays directly to garments. Clothing cannot be treated in the same way as carpet edges and structural harbourages, and any product must be used strictly according to its label. If you are unsure what is affected, isolate the items and seek advice before moving them through the property.
Signs the problem is already active
Repeated adult moth sightings, fresh holes, webbing, cases or larvae indicate that storage precautions alone may be too late. Inspect nearby wool carpets, rugs, upholstered furniture and wardrobes because the source is not always the garment where damage first appears.
Hairy larvae and bristly shed skins can point to a different textile pest. Our guide to carpet beetle identification and treatment explains the signs that distinguish carpet beetles from clothes moths.
When professional moth treatment is needed
A professional survey is sensible when damage appears in several items or rooms, moths return after cleaning, fitted wool carpet is affected, or activity is coming from inaccessible gaps and voids.
The correct method depends on the source, materials and extent of the infestation. Professional moth heat treatment is a single-visit option that can treat affected rooms, wardrobe areas and suitable contents while targeting multiple life stages. For activity concentrated around carpet edges and harbourages, a structured insecticide spray programme may be more appropriate. ULV treatment can be considered for widespread activity and difficult-to-reach spaces as part of a tailored plan.
Hotels, fashion retailers, landlords and property managers may need a documented inspection and monitoring approach to protect stock, furnishings or multiple units. See our commercial moth-control services for business-specific support.
Frequently asked questions
Can clothes moths get into plastic storage boxes?
A sound box with a close-fitting lid provides much better protection than an open container, but it cannot solve an infestation already present on the garment. Clean and inspect clothes before sealing them, and replace cracked boxes or damaged lids.
Do vacuum storage bags prevent clothes moths?
Intact, properly sealed vacuum bags can help prevent adult moths reaching clean garments. Check the seal and bag for damage, and avoid compressing delicate items if their care guidance advises against it.
Should I keep moth traps inside my wardrobe?
Trap placement depends on the product and the area being monitored. Follow the manufacturer’s instructions. Remember that pheromone traps are primarily an early-warning and monitoring tool; they do not treat larvae feeding inside fabrics.
What should I do if I find moth damage while packing?
Seal suspect items before moving them, inspect nearby textiles and clean the surrounding storage area. If there is fresh or widespread damage, arrange a professional assessment so the source and extent can be identified before unaffected clothes are stored.
Protect your wardrobe before the season changes
A careful afternoon of cleaning, inspection and sealed storage can prevent months of avoidable damage. If you find signs of active clothes moths, Moth Treatment Pros provides specialist treatment across all 32 London boroughs and the City of London.
Check our London moth-treatment coverage and current moth-treatment pricing, or request a professional assessment for a clear recommendation based on your property and affected textiles.