When UPVC windows are first installed, they are pristine without any marks or blemishes. However, over time dirt can build-up around the frames that needs cleaning off. Dirt build-up on UPVC window can cause older white frames to lose their shine. So, itâs important to deal with the problem as soon as you can.
Advice from the Experts on UPVC Window Cleaning

Cleaning UPVC window frames is a lot easier than it may seem. UPVC is a wonderfully low-maintenance material and with the right products and a bit of elbow grease, a bit of cleaning can restore them to their original state.
One of the many advantages of UPVC windows is that they require very little maintenance. uPVC is a naturally slippery material at molecular level, meaning that dirt takes a long time to build up. So, all uPVC windows require is occasional cleaning to help maintain their bright finish. The great thing is, cleaning UPVC windows really doesnât take long. S, below weâve outlined the best cleaning methods.
Open the Windows and Wipe Away Debris
The first step to cleaning UPVC frames is to open the windows as far as you can. Next, using a microfibre cloth, wipe away any loose dirt, dust, and debris from around the frames. Some people suggest using a hoover with a brush nozzle for this job. However, if the brush bristles arenât soft enough, this can scratch the glass. Therefore, we advise anyone cleaning their UPVC window frames to do so with a clean and soft microfibre cloth.
Wash UPVC Frames with Soapy Water

Warm soapy water is one of the most effective cleaning methods and provides some of the best results. You can make it with warm water and washing up liquid – it really is that simple. Dip a clean sponge or microfibre cloth into the water and wash your windows. Do not use scouring pages or harsh surfaces to clean your windows as this can increase the risk of scratching and also remove the glossy finish of your UPVC window frames. Maintain the colour of your UPVC windows with regular, gentle cleaning.
Rinse Your Windows and Frames with Water
Once youâve given your windows and UPVC frames a good clean with warm soapy water, you need to rinse them thoroughly. Rinsing your windows after cleaning ensures no soapy residue remains on the glass, helping you avoid any unsightly streaks.
Dry UPVC Window Frames Thoroughly

Complete the cleaning process by drying your windows thoroughly with a non-abrasive cloth. Again, microfibre cloths would be our preference as they remove dirt and moisture without leaving any residue or fibre trails on the window frames.
How to Clean Glass So That It Shines
If you want to achieve crystal-clear glass window panes, vinegar should be your go-to! Simply mix 2 cups of water with ÂŒ cup of vinegar and use the solution to clean your windows. The vinegar will help give your windows the shiny finish youâve always wanted to achieve.
Clean Your Windows on Overcast Days
Weâll let you into a secret. Whenever youâre cleaning your windows, you should do so on an overcast day. While cleaning your windows on a sunny day might seem idyllic, the sun will dry your solution too quickly and this will cause streak marks. So, the best time to clean your windows is on an overcast day. This will give the cleaning solution a little extra time to settle, leaving your windows with an extra sparkle.
Things to Avoid when Cleaning UPVC Windows
Cleaning UPVC window frames effectively is important to maintain them well. Effective and regular cleaning helps prevent irreparable damage to UPVC window panes and frames â such as discolouration or the removal of their glossy appearance. It is always important to use cleaning products suitable for the task. So, the things to avoid when cleaning your UPVC windows are:
- Applying too much pressure, as this can damage both panes and frames.
- Wire wool or iron wool
- Scouring pads
These are some relatively common mistakes people make when cleaning their UPVC windows. By avoiding the above, you can preserve the colour, integrity, and aesthetics of your UPVC windows.
Never Use the Following Cleaning Chemicals on UPVC

When cleaning your uPVC windows, under no circumstances should you use the following cleaning chemicals:
- Methylated spirits
- Cream cleaners as they can be abrasive
- Bleach as it causes discolouration
- WD40
- White spirits
- Wire wool or iron wool
- Scouring pads
- Abrasive cleaning solutions
If you do not clean your UPVC windows properly or you use the wrong products, you could make your windows more susceptible to damage. So, always be careful about how you clean your windows.
How Often Should You Clean UPVC Windows?
Cleaning UPVC window isnât something that needs to be done on a weekly basis, as UPVC windows are extremely durable. However, we would recommend that you thoroughly clean your white UPVC windows every couple of months. This will help maintain that UPVC shine and will prevent the build-up of dirt and grime on your window frames.
Whatâs the Best Cleaning Method to Use?

There is rarely any need to invest in quality but expensive cleaning agents when maintaining your white UPVC windows. As experts in quality window installation and maintenance, we know that the best cleaning method is all-natural. Don’t bother will specialised UPVC cleaner when water and vinegar will do just as well. A solution of soapy water or hot water and part vinegar and a bit of elbow grease can really transform your windows.
UPVC windows are easy to clean. However, thereâs only so much a good window cleaning can do for UPVC frames. If your windows have faded, become cracked or broken, or they have far outlived their lifespan, it may be time to consider a replacement.