Cost per month:

1. Accomodation ideally 3 bed house - Apartment will be about 8-8.5K/ month. Villas between 9 and 12K/ month
2. Utilities Costs - depends on the type of accommodation, but roughly QAR 500-800/ month for water/ electricity
3. Phone costs - depends on your usage, local calls from landline to landline are free.
4. House Keeper - 1.5K/ month
5. School cost for 1 4 year old - Don't have kids, so I don't know :-(
6. Creche for 1 nearly 2 year old - Same as above
7. Food/drink - Dining out once a week = QAR 500 (decent resto, i.e.)
8. Sports/entertainment/socialising - 3K/ month... avg
9. Transport running costs - proably 2 cars - roughly 3K/ month for each car as EMI's
10. Others? - Groceries - In the range of 2K, or a li'l more, depending on the brands you buy