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Flea infestations in London most commonly originate from cats and dogs, but can also occur in properties where pets have previously lived. The cat flea (Ctenocephalides felis) is responsible for the vast majority of UK flea infestations — even in homes with dogs. Flea pupae can lie dormant in carpets for over a year and hatch en masse when triggered by vibration and warmth (often when new occupants move into a vacant property). Professional treatment involves residual insecticide application combined with thorough vacuuming to stimulate pupae hatching.
Itchy bites on ankles and lower legs, pets scratching excessively, tiny dark specks in pet bedding (flea droppings — place on damp white paper; if they turn red, it’s flea dirt), seeing small jumping insects (1–3mm, dark brown).
Itchy bites, secondary skin infections, tapeworm transmission (pets), psychological distress, rapid re-infestation if underlying cause not addressed.
£100–£220 for domestic treatment (usually 1–2 visits). A second treatment 10–14 days later is often recommended
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109 verified flea treatment specialists serving London
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