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How to Easily Clean uPVC Windows & Doors

By Bal Marsius Reviewed by Ollie Smith Article updated February 7th, 2024

Want to know how to easily clean your uPVC windows and doors with minimal fuss?

In this guide you’ll find out how with only a cloth and warm soapy water.

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Key takeaways

  • Always whisk away dirt and debris from your uPVC window and door frames before applying soap and water.
  • Wear a face mask when cleaning frames with mould and mildew.
  • A sponge and warm, soapy water are usually enough to clean uPVC frames.
  • Avoid using strong chemicals as they can discolour or stain uPVC.

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How to Clean the Inside of uPVC Window

What you will need:Good to have:
Apron
Rubber gloves
Warm, soapy water
Non-abrasive cloth
Multi-purpose oil
Vacuum cleaner
Paint brush

Steps:

  1. Open the window as wide as it will go.
  2. Remove loose dirt and debris with a cloth or vacuum. If you’re vacuuming, it’s best to use a brush nozzle. Pay extra care to the nooks and crannies close to the hinges the inside of the frames. Optional: You may use a paint brush to get into the tiniest spaces where dirt accumulates.
  3. Use a soft cloth and warm soapy water to get rid of built up dirt.
  4. Wipe off excess water with clean, non-abrasive cloth. You may use an old cotton shirt, rag, or tea towel.
  5. Lubricate the hinges with a small amount of multi-purpose oil.

How to Clean uPVC Window Frames

What you will need:Good to have:
Apron
Rubber gloves
Warm, soapy water
Non-abrasive cloth
Garden hose
Squeegee

Steps:

  1. Make sure that the window is thoroughly shut.
  2. Use a brush or cloth to wipe off loose dirt or dust on the window frames and panes. You may use a hose to rinse off dirt.
  3. Scrub off dirt with a non-abrasive cloth and warm, soapy water. If you’re using a window cleaning spray, be sure to NOT spray it on the frames.
  4. Rinse your window with clean water.
  5. Dry the window glass with a soft cloth or a squeegee. Use a soft cloth to dry off the uPVC frames.

How to Clean uPVC Window Frames that Have Moulds and Mildew

What you will need: 
Apron 
Rubber gloves 
Mask 
Spray bottle and vinegar or uPVC-friendly mould-removing solutions
Lukewarm water

Steps:

  1. If you are cleaning from inside your house, make sure to allow plenty of air circulation.
  2. Wear a mask to protect yourself from inhaling moulds and mildew.
  3. Generously spray the affected area with vinegar. If you’re using a mould-removing solution, be sure to follow the instructions for use.
  4. Let the vinegar sit for up to an hour to break up the moulds.
  5. Wipe the moulds off with a soft sponge. Use lukewarm water to rinse off.

How to Clean uPVC Doors

What you will need:Good to have:
Apron 
Rubber gloves 
Warm, soapy water 
Non-abrasive cloth
Microfibre cloth
Non-smear glass cleaner
Vacuum cleaner

Steps:

  1. Open the door as wide as it will go.
  2. Use a rag or a vacuum cleaner with a brush nozzle to get rid of dirt and debris.
  3. Use warm, soapy water to clean both sides of the uPVC door. To clean the glass part of your door, it is best to use microfibre cloth and non-smear glass cleaner.
  4. Rub in circular motions to avoid streaks.
  5. Wipe off dirt and soap with a damp cloth.

Can I use stronger cleaning solutions to remove dirt, scruff, or moulds from my window frames?

It’s best to avoid products that contain ammonia, methylated spirits, and bleach. The following products may also discolour or stain uPVC frames: nail varnish remover, cream cleaners sourcing pads, and WD40.

Is it possible to steam clean uPVC frames?

Steam cleaners can effectively clean uPVC frames. Direct steam nozzles are ideal for getting into the gaps in your window frames.

Can I let glass dry in the air?

A soft, clean cloth is best for drying window glass. Streaks and blemish may form if you leave glass to dry in the air.

How often should I clean uPVC windows?

Every two to three months, but it depends largely on where you live in the UK. In some cases, you may only need to clean your uPVC windows twice a year. Regular cleaning can increase the lifespan of uPVC and prevent the buildup of moulds.

Conclusion

Up to 18% of your home’s heat escapes through windows. If you discover, upon cleaning, that your uPVC frames are warped or damaged, it might be time for a replacement. A poorly fitting frame can add to your energy bills.

In the long run, your energy savings will pay off for your initial investment on new uPVC frames. When you’re ready to move to the next step, you may use our free price comparison tool to find out the best prices in your area.

We can also help you find the companies that offer the best value for your money by requesting quotes on your behalf. It’s a free, no obligation service.

Written By

Bal Marsius Photo

Bal Marsius

Bal embraces low-impact, sustainable living. He enjoys cycling and gardening and has recently taken up carpentry as a hobby. He believes that everyone deserves better living spaces and loves writing about all things home improvement.

Reviewed By

Ollie Smith Photo

Ollie Smith

Ollie is the director of Ecopreneurist, with a string of successful publishing brands under his belt, he aims to make the world a better place by showcasing only the best, unbiased and reliable content on the web!

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