Where to rent a 10-15 marla house in islamabad?

We are a family of 6 and want to rent a house of 10 to 15 marla’s in islamabad where schools and parks are in a distance of 10 to 15 minutes but not more than that also good community,out of bahria and dha and close to motorway.Please also let us know the rent,and if we pay yearly or twice a year will it make it cheaper for us… Any suggestions are appreciated.

F-6,F-7 is the best area to live.