Looking for a certain jacket or pattern (Dridt King Classic Edition Size XL)

Hi, thanks to anyone who reads this! To start I am from UK so I would appreciate responses from UK residents or people with UK knowledge only. Thanks a ton!

I have this jacket with me which I'm really fond of (the label says Drift King Since 1971 - Classic Edition), however after a couple of years of wearing it, it has gained holes and tear (as expected!). I'm considering getting this jacket patched up (already tried sewing the holes but they just rip again) as I did spend around £50 on it in BHS. Here's pictures of the jacket:

http://terrum.co.uk/uploads/1418135486.jpg
http://terrum.co.uk/uploads/1418083100.jpg
http://terrum.co.uk/uploads/1418141915.jpg
http://terrum.co.uk/uploads/1418122914.jpg (Picture of the rip on elbow)
http://terrum.co.uk/uploads/1418081868.jpg (Picture of pocket, which says 'No.234-1283' on it incase that helps anyone identify the jacket!)

So my question is, does anyone know any good places (UK only, online and in retail, with links/pictures to/of such) where I can get this specific jacket, or a similiar one? I'm looking to get a couple for the winter and I'm also looking for some ordinary shirts as well as jackets with similar designs - any recommendations welcome!

Thanks all for reading and any responses are greatly appreciated!