Chris Bacon wrote:
Christian McArdle wrote:
much it would be to supply and fit a singl glazed upvc window .It
will be
roughly 36" wide by 90" tall,one part fixed,one part opening .

It might be hard to find, given that in most cases fitting them is
illegal.
Is there is a reason it needs to be single glazed?

What's the recommended fine and prison sentence?
Basically you can be ordered to remove them, and replace..and if they
make an issue, fine you, and if you fail to pay, ....