Also, I got my mum to join in. I suspect she is naturally radical and that's where I get my genes.
I've also been getting loads of companies and organisations to change their forms and things re: gender via a small-but-active armchair activism blog MxActivist, and many are starting to include gender-neutral titles Mx and Misc on their online forms. It all feels like a snowball just starting to roll down a wintry mountain, gaining weight and momentum as it goes.
It's all going into this nonbinary.org wiki, particularly this section here on UK acceptance.