Is your UPVC window jammed shut? More often than not it’s bathroom and kitchen windows that fail first – due to the increased moisture in the air.
Below are the parts that came out of a jammed d shut bathroom windows. We had to remove both double glazed units before we could get the windows open. Being unable to open a bathroom window can lead to damp and mould.
The gearbox shown in the photo is the most most common that we have to replace.