Originally Posted by Unregistered

First off - are you relocating through the internal mobility channel within the "british bank" ?
Or a new job?

In the first case, perhaps you may find out more information from the HR and/or colleagues who are already working in Singapore...

For the latter, and with 4 kids + your wife (assuming she will be homemaker), safe bet would be at least SGD$250,000 to not "struggle", but that also depends on your lifestyle.

Groceries and daily necessities are cheap in common supermarkets in Singapore as compared to NYC. Large chunk of your disposable income will be for your kids (schools, etc.) and accommodation (rental, furnishing, monthly upkeep,etc.). Maybe you could get a second-hand used car... but i would advise against doing that unless you have work out the math.