Posted: 26/10/2014 at 19:40
I had a pond when my girls were young. It's really a question of vigilance and education but a simple fence till they're older is a good backup, or a grill placed on top if the pond isn't too big. You can leave a gap at a shallow entry/exit point for wildlife to get in and out. I moved again last year and I have put in a tiny pond - any pond benefits wildlife so if you can manage it, you'll find it worthwhile
I'd agree with philippa - trying to cram too much in never really works but children don't stay small for long and you can adapt the garden as time goes by if you stay in that house. Work out what the most important things to you are, measure up the plot to scale, draw it up - doesn't have to be fancy - and then play about with ideas over the winter. If you want to keep the existing paving etc draw them accurately on the plan first.