Moth Treatment London

Moth infestations are a significant and growing problem in London’s properties, particularly in the more affluent residential boroughs of Kensington, Westminster, and Barnet where older properties, high-quality wool carpets, and extensive wardrobes provide ideal breeding conditions. Two species dominate: the common clothes moth (Tineola bisselliella) and the carpet moth (Trichophaga tapetzella), though the terms overlap as both can damage both carpets and clothing.

The damage is caused not by adult moths — which do not feed — but by their larvae, which consume natural fibres including wool, cashmere, silk, cotton, and feathers. In a London flat with original Edwardian floorboards and wool runner carpets, an undetected infestation can cause thousands of pounds worth of damage before it is noticed. Infestation severity is often underestimated because damage frequently begins in low-traffic areas: under heavy furniture, along skirting board edges, inside wardrobes at the back of deep shelves, and in items in storage.

Signs You Have a Moth Problem

• Damaged fabric: Irregular holes in woollen jumpers, suits, blankets, or upholstered furniture — particularly in undisturbed areas
• Carpet damage: Bare, damaged patches in wool carpet, often near skirting boards, under furniture, or in corners that are rarely vacuumed
• Silken tubes or webbing: Fine silken feeding tubes or webbing in the folds of clothing or along carpet edges
• Adult moths: Small (6–8 mm), golden-buff coloured moths flying erratically indoors, or found resting motionless on walls and ceilings — particularly in spring and early summer
• Larvae: Creamy-white caterpillars (up to 10 mm) visible in carpet fibres, between stored clothing, or in wool-filled cushions

Treatment Process

1. Survey and extent assessment: Our technician inspects all likely infestation areas — wardrobes, chests of drawers, wool carpets (particularly under furniture), curtains, and upholstered furniture. We identify larvae, adult moths, and feeding damage to establish the extent of the problem.
2. ULV fogging: We use Ultra Low Volume (ULV) fogging to deliver fine particle insecticide into crevices, carpet pile, wardrobe interiors, and hard-to-reach areas where larvae are active. ULV fogging provides superior penetration compared to surface sprays alone and is highly effective for both clothes and carpet moth treatment.
3. Residual treatment: Following fogging, we apply a residual spray treatment to carpet edges, skirting boards, wardrobe interiors, and under furniture — providing ongoing protection as new larvae hatch from treated eggs.
4. Aftercare and prevention: We advise on dry-cleaning susceptible garments, correct storage of wool and cashmere items, and regular vacuuming schedules that break the larvae cycle in carpets.

Why Choose London Pest Control Team?

We use ULV fogging equipment — not available to consumers — which dramatically improves treatment efficacy compared to spray-only methods. Our technicians have experience dealing with moth infestations in listed properties and high-end residences where care must be taken with valuable textiles and furnishings. All products used are UK HSE-approved and safe for use in residential properties.

We cover Kensington, Westminster, Barnet, and all London boroughs. Our discreet, unmarked vehicles ensure complete confidentiality for clients in prestigious residential addresses.

Moth Treatment Pricing in London

Moth treatment costs depend on property size and infestation severity.

Treatment	Price Range
Single room ULV treatment	£100–£150
Whole flat (2–3 rooms)	£150–£200
Large property or severe infestation	up to £250

All prices include VAT. For comparison with other pest treatments, see our London pest control pricing guide.

Frequently Asked Questions

Can I treat moths myself? Consumer pheromone traps are effective for monitoring and catching adult male moths but do not reduce larval populations. Consumer sprays offer limited penetration of carpet pile and wardrobe crevices. Professional ULV fogging combined with residual spray is significantly more effective and longer-lasting.

Do I need to wash all my clothes before treatment? Not necessarily, but we recommend dry-cleaning or washing (at 40°C or above) any heavily infested items before treatment, as this kills larvae and eggs directly. Items that cannot be washed should be placed in a freezer at -18°C for at least 72 hours, which also kills all life stages.

How long does moth treatment take to work? Adult moths will be killed rapidly. Larvae exposed to the treatment die within 24–48 hours. As eggs may continue to hatch for several weeks, continued vacuuming of carpet edges and monitoring of wardrobes is important. A second treatment is recommended in severe cases.

What causes moth infestations in London flats? Moths are attracted to natural fibres containing keratin (wool, cashmere, feathers, silk) and can enter through open windows, on second-hand clothing or furniture, or from adjacent flats. London’s older housing stock — with its original floorboards and ceiling voids — provides ideal undisturbed harbourage for larval development.

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Moth damage mounting up? Don’t lose more to the larvae. Call 020 3966 6100 or get a quote online. We cover Kensington, Westminster, Barnet, and all London boroughs.