House needed in Sheffield

iam a single mum of 2, we live in a 2bedroomed maisonnette on the top floor. with no lifts or anywhere for them to play it is very frustrating, and i could be waiting till my little girl is 10 for the councill to move us. she is 4. iam looking for a 3 bedroom house with a garden, no matter the size. i need it to be affordable and would consider any area. any information could you please email me at elizabeth.oreilly@live.co.uk. iam very gratefull for any help and information. thank-you :)