The issue
The glazing had failed at sealed-unit level, so the glass units—not the complete windows—were the part that needed replaced.
Two failed sealed units were replaced in Paisley while the existing window frames remained in place.

This page expands one of the supplied Premier UPVC work examples so you can see the job in context and follow through to the relevant service.
The glazing had failed at sealed-unit level, so the glass units—not the complete windows—were the part that needed replaced.
Two replacement sealed units were fitted while the serviceable surrounding window frames remained in place.
The example shows how failed double glazing can be handled as a focused glazing job when the existing frames remain serviceable.
Send a photo, postcode and short description. Premier UPVC can then identify the most useful next step.