Ok, travel insurance now bought!

I was going to go with the Post Office but they were £135 for annual (not bad!) and £98 for single trip.

I've just gone through quidco and found AA insurance that do kids free! So it's cost £60 for a single trip + 20% cash back :D

Result!

Your Policy Details

Policy Number:	AA-I-P5897275
Scheme:	AA (AXA) Trip Travel V2 (SID1115)
Premium:	£60.42
Lead Name:	Miss Gemma Towers
Departure Date:	11 Oct 2012
Return Date:	25 Oct 2012
Destination:	Worldwide