long time fermentation

I'm trying a batch of Woodfordes Bure Gold - Its my 6th batch (up to now other Woodfordes recipes) so I'm still learning. Is it normal for the fermentation to go for so long (13 days) - the SG appears to have stabilised at 1012 (from 1043) but its still producing CO2, admittedly at a low rate...

Hi guys, I'm new in home brewing. This is my second batch. I have used only kit included ingredients. Started on 6th of November, today is already 17days in fv and an airlock is still bubbling once per 1-2 minutes. Temperature is 22C. Instructions on a box says that first fermentation stage...