Fake ID UK

So i bought a God about 6 months ago and it worked great at this trampy club that me and my mates went to, however they caught on recently because of the UK flag (DL is different in northern Ireland) and now I cant get in. I'm turning 18 next January and was wondering if anyone knows of any ways to temporarily change the dob on a passport or provisional. My mates got theirs done a few months ago but the guys away off to uni and now i'm stuck. I know the risks btw but the bouncers over here dont really give a fuck and would just laugh at me if they notice it's been messed with. Cheers!

If it was as easy as altering the date of birth on an existing proof of age document, we wouldnt need fake ids.