Hi Paul,
I've just come across this forum, so you'll already probably be well into having a better understanding. I don't live in the Oxford area but about 5 years ago with our first, my wife also suffered from PP, 'one of the worst cases seen in 5 years' according to our unit. It was hard and at times frustrating as hell but we did all get through it.
I hope things are much better for you now, I'm quite happy to chat if you'd like.
Cheers