Oh nightweaning - currently my fave topic as I was so worried about it and it was so easy! 
We increased his milk intake during the day, by pushing his breakfast earlier (he used to eat it at 9am because before then he wasn't hungry as he'd been snacking in the night), adding in a feed (formula - I work FT) in the morning, and increasing his afternoon milk.
Did that for a couple of weeks. Then I braced myself for a set of unpleasant nights and stopped offering the breast after his initial bedtime feed.
When he wakes I offer him water (sometimes he gulps it down, other times refuses) then carry him around to calm him (but not in the BF position) then back in the cot to go to sleep.
He accepted it from night one with no tears. He cried when he woke but didn't cry when I didn't offer to feed him and didn't pull at my top or anything which really surprised me.
After a week I didn't even need to take him out of his cot, I just offer water, then lie him back down again and he's off. He's sleeping longer and waking less (unless teething in which case he needs cuddles and calpol). It's bliss!
A couple of months before night-weaning I'd started a gradual withdrawal technique (Andrea Grace) so DS had already stopped associating BF with sleep (I introduced a book between the BF and being put into his cot) and had learnt to go to sleep in his cot. I still have to sit with him and sing him to sleep but the nights are a huge improvement.
In fact, I think he might stop BF altogether soon. In the evening he BF, then I ask if he wants water and he pulls off the breast to drink water
. So now he has his sippy cup during the story and by doing that he also wakes less in the night from thirst.