Roommates (37) seeking house in Norwich

Me , my mother and 2 friends we are looking for a 4 bedroom detached house or bungalow to rent In Norwich or around. We are living together for more then 10 years and we can provide good references. Non smokers and no pets .The only reason for moving is that at the moment we are living in nr5 which is a good opportunity for the landlord to rent the house for students and we fully understand that . The rent will go out from my bank account and I will be fully responsible for all the bills . We are looking for something between £1.100-1400 a month.