@hippy
i'm in my sisters annex currently. she did her husbands office with some magnetic mounted perspex style double glazing and they both reckon that it's working great. sticky mounts on the windows then magnetic attachment for the perspex layer. no condensation, room noticably warmer than it was previously. that stuff above looks a bit flimsy. the magnetic stuff can be removed too so windows can open in the summer. i don't know what the brand name is but she gives it the thumbs up, she may well do more rooms this year. but probably not the annex ! doh !
@hippy
i'm in my sisters annex currently. she did her husbands office with some magnetic mounted perspex style double glazing and they both reckon that it's working great. sticky mounts on the windows then magnetic attachment for the perspex layer. no condensation, room noticably warmer than it was previously. that stuff above looks a bit flimsy. the magnetic stuff can be removed too so windows can open in the summer. i don't know what the brand name is but she gives it the thumbs up, she may well do more rooms this year. but probably not the annex ! doh !