This has taken many months and many reviews from conservaitonists around the world - but here is the new Grant Writing for Wildlife Conservation for anyone to use for free.

https://www.wildteam.org.uk/grant-writing

Hope it looks useful to you and would love to hear if you plan to make use of it. 

If you want to strengthen your skills, get a certified qualification, and enhance your CV, then you can also get online training in grant writing. Here is a link for more info.