You can get it from ebay
http://cgi.ebay.co.uk/Conservatory-Gutter-Brackets-Wendland-RS3279-Qty-12_W0QQitemZ290395596325QQcmdZViewItemQQptZLH_DefaultDomain_3?hash=item439ced2625
btw do you know how to fix it, do we need to hire a specialist person or it is easy to fix
with regards
Bramfish