Removing Aluminium Window from Inside - Brick Veneer wall

Hi, i'm about to take on a bathroom reno and one of the task involved in the reno is to take out an aluminium window so that it can be resized to make the inside wall bigger. Unfortunately i'll be on a short deadline as the place is a rental property and I would like to plan the process before hand to be as prepared as possible. The main problem I face is that the window is in an upstairs bathroom and the outside wall is brick veneer. The inside walls will be stripped and full access to...

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