Will post this in general too ( if that's ok) but does anyone know where I can purchase manuscript online? Struggling to buy out here and need quite a lot!
Thanks in advance

Try www.chamberlainmusic.com

It's much cheaper to print manuscript paper (provided that you have access to a good printer).

You can look for websites with manuscript templates on Google. Just download and print as many sheets as you need.

There are lots of sites which have manuscript paper to print.
eg: http://people.virginia.edu/~pdr4h/musicpaper/
I suspect however that many of them are formatted to look best on US letter paper rather than A4.

There are also programs you can download, use online (or even buy) which allow you to design your own sheets.
http://www.musictheory.net/utilities/html/id96_en.html

... and wow, the dolmetsch site comes up trumps again (having just looked at the reply to your cross post in the other forum.