We have bought 3 presents totalling £95 and will be having a BBQ/tea in our garden with family. So all in with food, birthday cake, banners, balloons and a couple of bottles of prosecco about £200.
I'm not playing birthday trumps, I genuinely have no idea what is the 'norm'. The last couple of kiddie parties I've been told about were for a 4 year old and a 7 year old and both parties cost almost £500!! That seems obscene to me.