Take the sealed units out measure them and order the same from an online supplier. They should deliver to your door. Fitting them is seriously only about 10 minutes a window.
B Neil
August 2015
the seal is broken hence the condensation/steam getting between the glass units but the units can be removed and replaced with new double glazing without having to replace the whole frame etc. Just ring a few double glazing experts ...try ringing around for the best quote or ask around maybe someone you know that knows how to remove and replace the units with new ...I'm told its fairly easy for a joiner :)
ela101
July 2013
I have seen this question many times in here - the answer has always been the same - once the seal is broken in a sealed unit and condensation appears there is nothing to be done.
Experts may know differently - I am not an expert.
Good luck...
Peccavi
March 2013
I can answer this question...
How do I remove condensation from within upvc double glazing?