Mildew is caused by lack of airflow and moisture in the air. You can get rid of it by using bleach, but that won't deal with the underlying cause. You have to change the environment. Open the windows or get an extractor system if you can. Make sure that the area outside of the window is clean and dry. If the window is low, make sure than there is drainage so that water does not bounce up into the window frame. Replace caulking as needed.
Get a small spray bottle and fill it 2/3 full of water and 1/3 full of bleach. Spray it on the mildew and let it set in. Wipe it off with a wet rag and repeat until it disappears. This method also works on bathroom walls where mildew and mold like to accumulate over and near the shower.
The discoloration on the walls is likely caused by mold, not mildew.
remove the moisture from inside the walls and floor.
Unless you are experienced this is not a job to do yourself. Contact a beekeeper or a pest control officer.
Excessive humidity can be uncomfortable, especially for those who have respiratory illnesses, including asthma. Excessive moisture can also cause mildew and/or mold, which can cause many health problems. Mold and mildew can also be extremely difficult to get rid of once it gets in walls, ceilings, etc.
It is a paint additive that contains a herbicide-like poison that kills mildew spores and prevents mildew from growing on your painted walls
Mildew can be removed by mixing a 50/50 solution of white vinegar and water and spraying it on the mildew. Let the solution soak for a few minutes and then wipe clean.
Get a dehumidifier to get rid of the moisture, and maybe get some heat in there to dry it out. No moisture=no mildew
Traps in the attic where they spend most their time. They mainly use the walls to move up or down.
Mildew makes you sick because it gets inside of your eyes, on your skin, in your nose and throat, and into your lungs. Babies, children, and the elderly are the ones who are most sensitive to mildew.
To get rid of mildew, mix together water and rubbing alcohol and then use mixture to scrub the seat. Then use a towel to dry the seat.
To effectively get rid of mildew in your shower, you can use a mixture of equal parts water and white vinegar or hydrogen peroxide. Apply the solution to the affected areas, let it sit for about 10-15 minutes, then scrub with a brush or sponge. Rinse thoroughly with water. Repeat as needed until the mildew is gone.
Natural products to get rid of mold and mildew can be found in supermarkets alongside the chemical cleaners. They are often located either on the shelves above or below the chemical ones.