Replace 3 timber windows with alum, 2 x 110x95cm, 1 x 65x35cm

Ana requested 2 quotes from Window Professionals in Glenroy

Replace two wooden windows with alimunium windows (size: approx. 110x95) and install one small window for toilet (size: approx 65x35)

Replace and instoll
replace and install front window

Fix leaking commercial type aluminium window / door frames in apartment
Water leaking through into stairwell from balcony which has aluminium windows...

Replacing Window frames
I have a 1960's flat and would like to guage the cost of havinging the frames...