3x 3m square windows double glazing for heat protection

John requested 2 quotes from Glaziers in Church Point

3x 3m square windows double glazing for heat protection ... there is existing wooden frame

I have a large house with many glass windows. i would like to double glaze
i would like to double glaze the windows using the existing wooden frames....

Install a doggy door into glass door to external office/study
Basically have purchased a doggy door which needs to be installed into glass...

Glazier glass panel to the top front entrance. 97.6*5m
glazing glass window, glass panels to the top front entrance. 97*6.5m.

Glass replacement 1x window and bifold door
Glazier required for window and bifold door