How to Clean Window Sills for Dust

Keeping window glass clean brings in natural light and makes the indoor space look spacious. So, you should regularly clean windows. But don’t forget window sills since they need a good cleaning too. So, do you know how to clean window sills?

Window sills can accumulate dust and debris over time. Also, insects and bugs can make a home in these narrow spaces. But don’t worry, we’ll guide you on how you can clean window sills/wells from inside and outside.


How to Clean Window Sills

Materials and Equipment

  • Face mask
  • Gloves
  • Garbage bag
  • Ladder (for upper floor windows)
  • Vacuum cleaner
  • Microfiber cloth
  • Cleaning solution (optional)


Step 1

First, take a garbage bag to collect debris. Make sure you wear your mask and gloves to avoid inhaling dust and protect your hands.

Step 2

Now inspect window sills. If windows are at a height, then climb on a ladder. Window sills may have dust, garbage, rocks, sticks, leaves, and other things you do not want in your windows wells. So, pick them up and move them to the garbage bag.

Step 3

You may still have some debris, dust, and dead insects inside the sills. In that case, use a vacuum cleaner to clean it out thoroughly. If you do not have a vacuum cleaner, then you can take it on rent.

Repeat the process until you have removed all of the dirt buildup.


Advanced Tips

Regular cleaning of window sills is important. So, clean them often to prevent major debris build-ups.  it will make the task easier.

You can use a microfiber cloth to wipe clean the frame and window sills. If there’s still some dust left behind, then use a cleaning solution for desired results. But make sure you wipe clean the wooden frame after applying the solution. Else, moisture will damage the surface.