I have drain flies in the house, how to fix this?

Question

Noticed loads of little flies around the plugholes lately. Is this something I can fix myself or do I need a plumber?

Paul · Accepted Answer

You would be better getting a plumber in as you're waste pipes could be wrongly installed allowing access through the pipework

James · Answer

Do it your self bi carbonate soda with white vinegar try this your self and for this it’s just your own time flies can get though drains and breed this time of year I hope this was helpful

Kennedy · Answer

Fruit flies are a common thing keep thew drain plugs in and cover all food you do need to check old onions , potatoes,that may have gone off that could be a good source for them they only live for a day but lay eggs like mad. Eventually they will die out without water or food.

Benjamin · Answer

There could be a blockage somewhere or a cracked pipe letting them inside on stack

Patrick · Answer

Is this a kitchen or bathroom sink? Are they fruit flies or houseflies? If it’s a shower or drain that’s not used often the u bend may have dried up. Pour some hot soapy water down it and it should be ok.

Patrick · Answer

Damage to drain normally the reason for the flies you will probably need a camera in the drain to assess and locate the damage

I have drain flies in the house, how to fix this?

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