Reply To: Replacing old windows and balcony doors with doubleglazed ones › Flat Chat Strata Forum › Talkin’ ’bout a renovation › Replacing old windows and balcony doors with doubleglazed ones › Current Page 13/10/2022 at 2:14 pm #65817 Jimmy-TKeymaster chesswood wrote: they’re common property and you shouldn’t alter them … …without permission. The opinions offered in these Forum posts and replies are not intended to be taken as legal advice. Readers with serious issues should consult experienced strata lawyers.