In article ,
Christian McArdle wrote:
BTW, you may find that the window frames are structural.
Replacement with uPVC may result in collapse.

Unless done by someone know knows what they are doing (which with
window installers may be questionable) - see "BAY WATCH - The
Disaster Movie" (a fairly old page but probably still valid)
http://www.expertexpert.com/bays.htm

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Tony Bryer SDA UK 'Software to build on' http://www.sda.co.uk
Free SEDBUK boiler database browser
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