On 28/02/2010 11:23, Jo wrote:
Thanks for that link. It seems that the position I have in mind will be
ideal.

One of the posters here wanted to know how I went about building my
(well son's) greenhouse so made this quick and dirty web page to show
it, thoughtwhy not let Jo see it. So even if it is not necessary here
it is.
http://www.cheesesoup.myby.co.uk/gh1.html