Did you call a handyman? Maybe they need to change the glazing beads. What kind of windows do you have? We did not solve the problem until we completely changed to new double glazing. But if you want, you could try asking here for window repair service in East Midlands https://sashwindowrefurbish.co.uk/
108,098 questions
115,038 answers
1,343 comments
7,058,397 users