Something

<VirtualHost *>
        ServerName blah.eris.qinetiq.com
        DocumentRoot /home/mwatts/blah/
        ScriptAlias /cgi-bin/ /home/mwatts/blah/test/cgi-bin/
        AddHandler cgi-script .cgi

        <Directory /home/mwatts/blah/>
                Order allow,deny
                Allow from all
        </Directory>

        <Directory /home/mwatts/blah/test/cgi-bin/>
                Options FollowSymLinks
                Order allow,deny
                Allow from all
        </Directory>
</VirtualHost>